odontometry

Summary

Top Publications

  1. ncbi Evaluation of 3-dimensional tooth crown size in cleft lip and palate patients
    M Okan Akcam
    Department of Orthodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey
    Am J Orthod Dentofacial Orthop 134:85-92. 2008
  2. ncbi Mixed dentition space analysis for a northern Italian population: new regression equations for unerupted teeth
    Giulio Alessandri Bonetti
    Department of Orthodontics, University of Bologna, Italy
    Prog Orthod 12:94-9. 2011
  3. ncbi In vivo comparison of working length determination with two electronic apex locators
    K T Wrbas
    Department of Operative Dentistry and Periodontology, University School and Dental Hospital, Albert Ludwigs University Freiburg, Freiburg i Br, Germany
    Int Endod J 40:133-8. 2007
  4. ncbi Accuracy of three electronic apex locators in anterior and posterior teeth: an ex vivo study
    Manuele Mancini
    Department of Restorative Dentistry and Endodontics, University of Rome Tor Vergata, Rome, Italy
    J Endod 37:684-7. 2011
  5. ncbi An evaluation of root ZX and iPex apex locators: an in vivo study
    Eva K Stöber
    Department of Endodontics, Universitat Internacional de Catalunya, Barcelona, Spain
    J Endod 37:608-10. 2011
  6. ncbi Ex vivo evaluation of the accuracy and coefficient of repeatability of three electronic apex locators using a simple mounting model: a preliminary report
    F L C D'Assunção
    Department of Operative Dentistry, Federal University of Paraiba, Joao Pessoa, Paraiba, Brazil
    Int Endod J 43:269-74. 2010
  7. pmc Early Tertiary mammals from North Africa reinforce the molecular Afrotheria clade
    Rodolphe Tabuce
    Laboratoire de Paléontologie, Institut des Sciences de l Evolution, CC064, Universite Montpellier II, Place Eugene Bataillon, 34095 Montpellier Cedex 05, France
    Proc Biol Sci 274:1159-66. 2007
  8. ncbi An ex vivo comparison of root canal length determination by three electronic apex locators at positions short of the apical foramen
    Bruno Carvalho de Vasconcelos
    School of Dentistry of Sobral, Federal University of Ceara, Fortaleza, Ceara, Brazil
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:e57-61. 2010
  9. ncbi Accuracy of three electronic apex locators compared with digital radiography: an ex vivo study
    Luigi Cianconi
    Department of Restorative Dentistry and Endodontics, University of Rome Tor Vergata, Rome, Italy
    J Endod 36:2003-7. 2010
  10. ncbi New regression equations for predicting the size of unerupted canines and premolars in a contemporary population
    Abdul Wahab Nourallah
    Department of Orthodontics, Ernst Moritz Arndt University, Greifswald, Germany
    Angle Orthod 72:216-21. 2002

Research Grants

Detail Information

Publications227 found, 100 shown here

  1. ncbi Evaluation of 3-dimensional tooth crown size in cleft lip and palate patients
    M Okan Akcam
    Department of Orthodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey
    Am J Orthod Dentofacial Orthop 134:85-92. 2008
    ..The aims of this study were to evaluate 3-dimensional (3D) tooth crown sizes in patients with cleft lip and palate (CLP) and to compare them with those of a Class I control group...
  2. ncbi Mixed dentition space analysis for a northern Italian population: new regression equations for unerupted teeth
    Giulio Alessandri Bonetti
    Department of Orthodontics, University of Bologna, Italy
    Prog Orthod 12:94-9. 2011
    ....
  3. ncbi In vivo comparison of working length determination with two electronic apex locators
    K T Wrbas
    Department of Operative Dentistry and Periodontology, University School and Dental Hospital, Albert Ludwigs University Freiburg, Freiburg i Br, Germany
    Int Endod J 40:133-8. 2007
    ..To compare the accuracy of two electronic apex locators (EALs) in the same teeth in vivo...
  4. ncbi Accuracy of three electronic apex locators in anterior and posterior teeth: an ex vivo study
    Manuele Mancini
    Department of Restorative Dentistry and Endodontics, University of Rome Tor Vergata, Rome, Italy
    J Endod 37:684-7. 2011
    ....
  5. ncbi An evaluation of root ZX and iPex apex locators: an in vivo study
    Eva K Stöber
    Department of Endodontics, Universitat Internacional de Catalunya, Barcelona, Spain
    J Endod 37:608-10. 2011
    ..iPex is a fourth-generation apex locator (EAL) that has not yet been tested in vivo. The purpose of this study was to compare the accuracy of the Root ZX (J Morita Corp, Tokyo, Japan) and iPex (NSK, Tochigi, Japan) EALs...
  6. ncbi Ex vivo evaluation of the accuracy and coefficient of repeatability of three electronic apex locators using a simple mounting model: a preliminary report
    F L C D'Assunção
    Department of Operative Dentistry, Federal University of Paraiba, Joao Pessoa, Paraiba, Brazil
    Int Endod J 43:269-74. 2010
    ..To compare ex vivo the accuracy and coefficient of repeatability of three electronic apex locators in locating the apical constriction...
  7. pmc Early Tertiary mammals from North Africa reinforce the molecular Afrotheria clade
    Rodolphe Tabuce
    Laboratoire de Paléontologie, Institut des Sciences de l Evolution, CC064, Universite Montpellier II, Place Eugene Bataillon, 34095 Montpellier Cedex 05, France
    Proc Biol Sci 274:1159-66. 2007
    ..As a result, stem members of afrotherian clades are not strictly African but also include some Early Paleogene Holarctic mammals...
  8. ncbi An ex vivo comparison of root canal length determination by three electronic apex locators at positions short of the apical foramen
    Bruno Carvalho de Vasconcelos
    School of Dentistry of Sobral, Federal University of Ceara, Fortaleza, Ceara, Brazil
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:e57-61. 2010
    ..The aim of this study was to evaluate the precision of working length determination of 3 electronic apex locators (EALs): Root ZX, RomiApex D-30, and Ipex at 0.0 mm, at the apical foramen (AF), and at 1.0 mm short of the AF...
  9. ncbi Accuracy of three electronic apex locators compared with digital radiography: an ex vivo study
    Luigi Cianconi
    Department of Restorative Dentistry and Endodontics, University of Rome Tor Vergata, Rome, Italy
    J Endod 36:2003-7. 2010
    ....
  10. ncbi New regression equations for predicting the size of unerupted canines and premolars in a contemporary population
    Abdul Wahab Nourallah
    Department of Orthodontics, Ernst Moritz Arndt University, Greifswald, Germany
    Angle Orthod 72:216-21. 2002
    ..The analogous prediction of the size of the unerupted mandibular canines and premolars was obtained by adding 5.5 mm to the half-widths of same teeth, 31, 41, 16, and 26...
  11. ncbi Applicability of three tooth size prediction methods for white Brazilians
    Camilo Aquino Melgaço
    Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
    Angle Orthod 76:644-9. 2006
    ..Validating studies (based on similar samples) must be conducted to confirm the applicability and precision of the proposed new regression equations...
  12. ncbi Comparison of in vivo and in vitro readings when testing the accuracy of the Root ZX apex locator
    Fernando Duran-Sindreu
    Department of Endodontics, Universitat Internacional de Catalunya, Barcelona, Spain
    J Endod 38:236-9. 2012
    ..The purpose of the study was to compare the accuracy of the Root ZX electronic apex locator (J Morita Corp, Tokyo, Japan) between an in vivo and an in vitro model...
  13. ncbi Prediction of the mesiodistal width of unerupted permanent canines and premolars: a statistical approach
    Alin Boboc
    Department for Orthodontics, Philipps University, Georg Voigt Strasse 3, Marburg, Germany
    Am J Orthod Dentofacial Orthop 137:503-7. 2010
    ..Prediction of the mesiodistal width of unerupted permanent canines and premolars is of major interest for orthodontic diagnosis and treatment planning...
  14. ncbi Comparison of the reliability of "0.5" and "APEX" mark measurements in two frequency-based electronic apex locators
    Il young Jung
    Department of Conservative Dentistry, College of Dentistry, Yonsei University, Seoul, Korea
    J Endod 37:49-52. 2011
    ..A measuring instrument must be both accurate and reliable. This study compared the reliability of the "0.5" and "APEX" mark measurements by using 2 impedance quotient-based electronic apex locators (EALs)...
  15. ncbi Are the lower incisors the best predictors for the unerupted canine and premolars sums? an analysis of a Peruvian sample
    Eduardo Bernabé
    Department of Social Dentistry, Universidad Peruana Cayetano Heredia, Lima, Peru
    Angle Orthod 75:202-7. 2005
    ..The MLRE determination coefficient was 60% with a standard error of 0.8 mm. This new MLRE underestimates (less than 1 mm discrepancy) the actual SPCP in only 7% of the cases on the basis of a validation sample...
  16. ncbi Individual-based prediction of the size of the supporting zones in the permanent dentition. A comparison of the Moyers method with a unitary prediction value
    H Pancherz
    Department of Orthodontics, University of Giessen, Germany
    J Orofac Orthop 60:227-35. 1999
    ..5% of the subjects. The unitary value thus had a higher confidence level (83.5%) than the 75% level stated by Moyers and might thus substitute the calculated Moyers values. Furthermore, the unitary value is easy and quick to handle...
  17. ncbi Mandibular permanent first molar and incisor width as predictor of mandibular canine and premolar width
    Camilo Aquino Melgaço
    Department of Orthodontics, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
    Am J Orthod Dentofacial Orthop 132:340-5. 2007
    ....
  18. ncbi An ex vivo comparison of working length determination by 3 electronic apex locators
    Elizeu Alvaro Pascon
    Calabrodental Centro Odontoiatrico, Crotone, Italy
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 108:e147-51. 2009
    ..To compare the accuracy of 3 different electronic apex locators (EALs) in establishing the working length in recently extracted teeth...
  19. ncbi Ex vivo accuracy of three electronic apex locators using different apical file sizes
    Bruno Carvalho de Vasconcelos
    Sobral Dental School, Federal University of Ceara, Sobral, CE, Brazil
    Braz Dent J 23:199-204. 2012
    ..Justy II and Novapex provided electronic measurements nearest to the AC...
  20. ncbi Clinical reproducibility of three electronic apex locators
    V Miletic
    Department of Restorative Odontology and Endodontics, School of Dentistry, University of Belgrade, Belgrade, Serbia
    Int Endod J 44:769-76. 2011
    ..To compare the reproducibility of three electronic apex locators (EALs), Dentaport ZX, RomiApex A-15 and Raypex 5, under clinical conditions...
  21. ncbi Design and implementation of a hybrid genetic algorithm and artificial neural network system for predicting the sizes of unerupted canines and premolars
    S Moghimi
    Department of Electrical Engineering, Ferdowsi University of Mashhad, Yazd, Iran
    Eur J Orthod 34:480-6. 2012
    ..The prediction error rates and maximum rates of over/underestimation using the hybrid GA-ANN algorithm were smaller than those using linear regression analyses...
  22. ncbi Influence of embedding media on the assessment of electronic apex locators
    Jarcio V Baldi
    Department of Endodontics, Bauru Dental School, University of Sao Paulo, Al Dr Otávio Pinheiro Brisolla 9 75, CEP 17012 901 Bauru, SP, Brazil
    J Endod 33:476-9. 2007
    ..Despite the lack of statistically significant difference among the media, the flower sponge was the only medium in which the file surpassed the apex in some measurements...
  23. ncbi Appraising number and clinical significance of regression equations to predict unerupted canines and premolars
    Eduardo Bernabé
    Department of Social Dentistry, Universidad Peruana Cayetano Heredia, Lima, Peru
    Am J Orthod Dentofacial Orthop 126:228-30. 2004
    ..It is important not only to evaluate the statistical need for specific SLRE in different populations, but also to state the clinical significance of their differences against commonly used SLRE...
  24. ncbi Applicability of the Moyers mixed dentition probability tables and new prediction aids for a contemporary population in India
    Nebu Ivan Philip
    Department of Pediatric and Preventive Dentistry, Indira Gandhi Institute of Dental Sciences, Pondicherry, India
    Am J Orthod Dentofacial Orthop 138:339-45. 2010
    ....
  25. ncbi Enamel thickness of deciduous and permanent molars in modern Homo sapiens
    F E Grine
    Department of Anthropology, Stony Brook University, Stony Brook, New York 11794 4364, USA
    Am J Phys Anthropol 126:14-31. 2005
    ..The present data suggest that the human dentition is not predisposed to develop a helicoidal wear plane through the disposition of molar enamel thickness...
  26. pmc Evaluation of three instrumentation techniques at the precision of apical stop and apical sealing of obturation
    Ozgür Genç
    Department of Restorative Dentistry and Endodontics, Faculty of Dentistry, Yuzuncu Yil University, Van, Turkey
    J Appl Oral Sci 19:350-4. 2011
    ..5 mm short of the apical foramen) in teeth with disrupted apical constriction, and to evaluate microleakage following obturation in such prepared teeth...
  27. ncbi Critical diameter of apical foramen and of file size using the Root ZX apex locator: an in vitro study
    Manuela Herrera
    Department of Dental Pathology and Therapeutics, School of Dentistry, University of Seville, Spain
    J Endod 37:1306-9. 2011
    ..An evaluation was made of the accuracy of the Root ZX apex locator (J. Morita Corp, Tokyo, Japan) in widened foramina, considering the existing controversy over this issue in the literature...
  28. pmc Effect of pre-flaring and file size on the accuracy of two electronic apex locators
    Manoel Brito-Júnior
    Inter Institutional PhD Program, State University of Montes Claros, Montes Claros, MG, Brazil
    J Appl Oral Sci 20:538-43. 2012
    ..This ex vivo study evaluated the effect of pre-flaring and file size on the accuracy of the Root ZX and Novapex electronic apex locators (EALs)...
  29. ncbi Influence of pulp condition on the accuracy of an electronic foramen locator in posterior teeth: an in vivo study
    Daniel Renner
    Department of Endodontics, School of Dentistry, Santa Cruz do Sul University, Santa Cruz do Sul, RS, Brazil
    Braz Oral Res 26:106-11. 2012
    ..In none of these cases was the file tip located beyond the radiographic apex; in 32, it was located short of the NovApex® measurement. Pulp condition had no significant effect on the accuracy of NovApex®...
  30. pmc In vivo accuracy of conventional and digital radiographic methods in confirming root canal working length determination by Root ZX
    Fernando Accorsi Orosco
    Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of Sao Paulo, Bauru, SP, Brazil
    J Appl Oral Sci 20:522-5. 2012
    ..To compare, in vivo, the accuracy of conventional and digital radiographic methods in determining root canal working length...
  31. ncbi Mixed dentition space analysis in a Jordanian population: comparison of two methods
    E S J Abu Alhaija
    Division of Orthodontics, Jordan University of Science and Technology, Irbid, Jordan
    Int J Paediatr Dent 16:104-10. 2006
    ....
  32. ncbi Ex vivo comparison of the accuracy of Root ZX II in detecting apical constriction using different meter's reading
    Marco Aurélio Versiani
    Department of Endodontics, Associação Brasileira de Odontologia, Uberlandia, Minas Gerais, Brazil
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 108:e41-5. 2009
    ..05). The accuracy was 90.5% and 83.78% for the Root ZX II "0.5" and "1" readings, respectively. It was concluded that the meter reading "1" of Root ZX II reduced the risk of working length overestimation...
  33. ncbi Regression equations for determining mesiodistal crown diameters of canines and premolars
    Mario Legović
    Department of Orthodontics, School of Dentistry, University of Rijeka, Croatia
    Angle Orthod 73:314-8. 2003
    ..The coefficients of multiple correlations regarding the sex and the jaw varied from 0.79 to 0.85...
  34. ncbi Influence of cervical preflaring on determination of apical file size in mandibular molars: SEM analysis
    Marcia da Silva Schmitz
    Federal University of Santa Maria, Santa Maria, RS, Brazil
    Braz Dent J 19:245-51. 2008
    ..The rotary instruments evaluated in this study did not differ from each other regarding the discrepancies produced between the IAF size and canal diameter at the WL...
  35. ncbi Accuracy of three electronic apex locators in the presence of different irrigating solutions
    Ana Laura Pion Carvalho
    Department of Endodontics, Universidade Paulista, Sao Paulo, SP, Brazil
    Braz Oral Res 24:394-8. 2010
    ..The presence of irrigating solutions does not interfere with the performance of the EALs...
  36. ncbi Accuracy of the iPex multi-frequency electronic apex locator in primary molars: an ex vivo study
    P Nelson-Filho
    Department of Paediatric, Preventive and Community Dentistry, Ribeirao Preto School of Dentistry, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
    Int Endod J 44:303-6. 2011
    ..To evaluate ex vivo the accuracy of the iPex multi-frequency electronic apex locator (NSK Ltd, Tokyo, Japan) for working length determination in primary molar teeth...
  37. ncbi Comparison of working length determination with radiographs and four electronic apex locators
    J P Vieyra
    School of Dentistry, Universidad Autonoma de Baja California, Tijuana, Baja California, Mexico
    Int Endod J 44:510-8. 2011
    ..To evaluate the accuracy of the Root ZX, Elements-Diagnostic, Precision AL and Raypex 5 electronic apex locators when compared to radiographs for locating the apical constriction...
  38. ncbi Prediction of lower permanent canine and premolars width by correlation methods
    Fernando Lima Martinelli
    Department of Orthodontics, Universidade Federal do Rio de Janeiro, Porto Alegre, Brazil
    Angle Orthod 75:805-8. 2005
    ..82) and both sides (.84). One linear regression equation was determined to estimate the widths of un-erupted lower canine and premolars of both sides from a single measurement of the first premolar...
  39. ncbi Prediction of the size of un-erupted permanent cuspids and bicuspids in a Saudi sample: a pilot study
    Hayder A Hashim
    Division of Orthodontics, in the Department of Preventive Dental Sciences of the College of Dentistry at King Saud University in Riyadh, Saudi Arabia
    J Contemp Dent Pract 4:40-53. 2003
    ..Based on the results, it can be concluded the 50% data is more accurate than the commonly used percentage Moyer's table (75%) when both sexes are combined. Further studies are needed to confirm the findings of this study...
  40. ncbi The fundamental operating principles of electronic root canal length measurement devices
    M H Nekoofar
    Department of Endodontics, Faculty of Dentistry, Tehran University of Medical Science, Tehran, Iran
    Int Endod J 39:595-609. 2006
    ..The aim of this review was to clarify the fundamental operating principles of the different types of electronic systems that claim to measure canal length...
  41. ncbi Evaluation of precision of length determination with 3 electronic apex locators: Root ZX, Elements Diagnostic Unit and Apex Locator, and RomiAPEX D-30
    Ricardo Affonso Bernardes
    Department of Endodontics, Bauru Dental School, University of Sao Paulo, Bauru, Sao Paulo, Brazil
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 104:e91-4. 2007
    ..The aim of this study was to perform a comparative analysis of precision of 3 apex locators: Root ZX, Elements Diagnostic Unit and Apex Locator, and RomiAPEX D-30...
  42. ncbi An analysis of maxillary anterior teeth: facial and dental proportions
    Ufuk Hasanreisoglu
    Faculty of Dentistry, Department of Prosthodontics, University of Ankara, Turkey
    J Prosthet Dent 94:530-8. 2005
    ..The size and form of the maxillary anterior teeth are important in achieving pleasing dental and facial esthetics. However, little scientific data have been defined as criteria for evaluating these morphological features...
  43. ncbi Proportional smile design using the recurring esthetic dental (red) proportion
    D H Ward
    Section of Restorative Dentistry, Prosthodontics and Endodontics College of Dentistry, Ohio State University, Columbus, Ohio, USA
    Dent Clin North Am 45:143-54. 2001
    ..When one begins to understand the relationship between beauty, mathematics, and the surrounding world, one begins to appreciate their interdependence...
  44. ncbi Ex vivo accuracy of three electronic apex locators: Root ZX, Elements Diagnostic Unit and Apex Locator and ProPex
    G Plotino
    Department of Endodontics, School of Dentistry, Catholic University of Sacred Heart, Rome, Italy
    Int Endod J 39:408-14. 2006
    ..To compare ex vivo the accuracy of three electronic apex locators (EALs): Root ZX, Elements Diagnostic Unit and Apex Locator and ProPex...
  45. ncbi Dental arch dimensions in the mixed dentition: a study of Italian children born in the 1950s and the 1990s
    Efisio Defraia
    Department of Orthodontics, University of Florence, Via del Ponte di Mezzo 46 48, 50127 Florence, Italy
    Angle Orthod 76:446-51. 2006
    ..The present population has a greater probability of developing a malocclusion as a consequence of the secular trend toward the reduction of the width of the upper arch...
  46. ncbi Influence of cervical preflaring on apical file size determination
    J D Pecora
    Ribeirao Preto Dental School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
    Int Endod J 38:430-5. 2005
    ..To investigate the influence of cervical preflaring with different instruments (Gates-Glidden drills, Quantec Flare series instruments and LA Axxess burs) on the first file that binds at working length (WL) in maxillary central incisors...
  47. ncbi The ability of two apex locators to locate the apical foramen: an in vitro study
    Fábio Luiz Cunha D'Assunção
    Centro Odontológico de Estudos e Pesquisa COESP, Endodontics, Joao Pessoa, Paraiba, Brazil
    J Endod 32:560-2. 2006
    ..4305). The results of this study indicate that the Root-ZX and Novapex are useful and accurate devices for the apical foramen location...
  48. ncbi The effects of file size, sodium hypochlorite and blood on the accuracy of Root ZX apex locator in enlarged root canals: an in vitro study
    A K Ebrahim
    Department of Restorative Sciences, Graduate School, Tokyo Medical and Dental University, Japan
    Aust Dent J 51:153-7. 2006
    ..This study aimed to evaluate the effect of file size on the accuracy of Root ZX apex locator using an agar model when sodium hypochlorite solution or blood was present during electronic measurements in enlarged root canals...
  49. ncbi Determining the apical preparation size in premolars: part III
    Hanjo Hecker
    Department of Periodontology, University of Basel, Basel, Switzerland
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:118-24. 2010
    ..The objective of this study was to investigate cross sections of the apical part of premolar root canals and determine recommendations for their optimal apical preparation size...
  50. ncbi Maxillary arch size and shape in American blacks and whites
    B G Burris
    University of Tennessee, Memphis 38163, USA
    Angle Orthod 70:297-302. 2000
    ..These differences are relevant in prosthodontics and orthodontics since individualization of treatment leads to more effective treatment by working within the patient's natural arch form instead of making patients fit a single standard...
  51. ncbi Longitudinal changes in dental arches from mixed to permanent dentition in a Turkish population
    Seher Gündüz Arslan
    Department of Orthodontics, Dental Faculty, Dicle University, Diyarbakir, Turkey
    Am J Orthod Dentofacial Orthop 132:576.e15-21. 2007
    ..Our aim in this study was to investigate the longitudinal changes in dental arch dimensions during the transition from mixed dentition (T1) to permanent dentition (T2) in children living in Turkey...
  52. ncbi Influence of preflaring on the accuracy of length determination with four electronic apex locators
    Ericson Janolio de Camargo
    Department of Endodontics, Bauru Dental School, University of Sao Paulo, Sao Paulo, Brazil
    J Endod 35:1300-2. 2009
    ..The aim of this study was to compare the influence of preflaring on the accuracy of 4 electronic apex locators (EALs): Root ZX, Elements Diagnostic Unit and Apex Locator, Mini Apex Locator, and Apex DSP...
  53. ncbi Effect of ambient light and bit depth of digital radiograph on observer performance in determination of endodontic file positioning
    Min Suk Heo
    Department of Oral Radiology, BK21, and Dental Research Institute, College of Dentistry, Seoul National University, Seoul, South Korea
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 105:239-44. 2008
    ..To examine the effects of the luminance and bit depth of digital image on observer performance for determination of endodontic file positioning...
  54. ncbi The accuracy of the Neosono Ultima EZ apex locator using files of different alloys: an in vitro study
    M H Nekoofar
    Dental Faculty, University of Medical Science in Tehran, Iran
    J Calif Dent Assoc 30:681-4. 2002
    ..No significant difference was noted between the results for either file. The accuracy of the Neosono Ultima EZ in wet conditions exceeded 90 percent regardless of the alloy used...
  55. ncbi An in vivo comparison of two frequency-based electronic apex locators
    Aaron R Welk
    Department of Endodontology, Oregon Health and Sciences University, School of Dentistry, Portland 97201, USA
    J Endod 29:497-500. 2003
    ..0001). The ability to locate the minor diameter (+/- 0.5 mm) was 90.7% for the Root ZX and 34.4% for the Endo Analyzer Model 8005...
  56. ncbi Does the first file to bind correspond to the diameter of the canal in the apical region?
    M K Wu
    Department of Cariology, Endodontology and Pedodontology, Academic Centre for Dentistry Amsterdam ACTA, The Netherlands
    Int Endod J 35:264-7. 2002
    ..The aim of this study was to determine whether the first file that binds at the working length corresponds to the canal diameter...
  57. ncbi Evaluation of "golden proportion" in individuals with an esthetic smile
    Minoo Mahshid
    Department of Fixed Prosthodontics, Dental School, Shahid Beheshti University of Medical Science, Tehran, Iran
    J Esthet Restor Dent 16:185-92; discussion 193. 2004
    ..The "golden proportion" is a main guideline introduced in this field...
  58. ncbi Dentoalveolar development in subjects with normal occlusion. A longitudinal study between the ages of 5 and 31 years
    Birgit Thilander
    Department of Orthodontics, The Sahlgrenska Academy, University of Gothenburg, Sweden
    Eur J Orthod 31:109-20. 2009
    ..A continuous increase of palatal height up to adulthood seems to be an effect of a slow continuous eruption of the teeth. This finding is also of significance in explaining the infraposition of implant-supported crowns...
  59. ncbi Accuracy of electronic apex locater-controlled handpieces
    Jonathan Barthelemy
    Division of Cariology and Endodontology, School of Dental Medicine, University of Geneva, Geneva, Switzerland
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 107:437-41. 2009
    ..We concluded that although the motor-driven mode of these devices appeared to be clinically safe, measurements obtained in manual and motor-driven operating modes are not equivalent...
  60. ncbi In vivo determination of root canal length: a preliminary report using the Tri Auto ZX apex-locating handpiece
    F Grimberg
    Department of Adult Dental Care, Faculty of Odontology, University of Buenos Aires, Argentina
    Int Endod J 35:590-3. 2002
    ..The aim of this study was to assess the clinical perfomance of a cordless handpiece with a built-in apex locator - the Tri Auto ZX - designed for root canal preparation with nickel-titanium rotary files...
  61. ncbi Electronic determination of root canal length in primary teeth with and without root resorption
    J Mente
    Poliklinik für Zahnerhaltungskunde, Ruprecht Karls University, Heidelberg, Germany
    Int Endod J 35:447-52. 2002
    ..To test an electrical device for determining root canal length in primary teeth in vitro, and to compare it with the radiographic length measurement...
  62. ncbi Associations between Carabelli trait and cusp areas in human permanent maxillary first molars
    Shintaro Kondo
    Department of Oral Anatomy and Developmental Biology, Showa University School of Dentistry, Tokyo 142 8555, Japan
    Am J Phys Anthropol 129:196-203. 2006
    ..We suggest that the pattern of folding of the internal enamel epithelium in developing molar crowns, particularly in the protocone region, can be modified by a developing Carabelli cusp...
  63. ncbi Molar intercuspal dimensions: genetic input to phenotypic variation
    G Townsend
    Dental School, The University of Adelaide, South Australia 5005, Australia
    J Dent Res 82:350-5. 2003
    ....
  64. ncbi Fluctuating dental asymmetry of multiple crown variables measured by an image analysis system
    Khaled Khalaf
    Department of Oral Health and Development, University of Sheffield, School of Clinical Dentistry, Claremont Crescent, Sheffield, South Yorkshire S10 2TA, UK
    Arch Oral Biol 50:249-53. 2005
    ..The aim of this study was to assess asymmetry in tooth crown dimension for the increased range of parameters possible with image analysis compared to previous manual measurements...
  65. ncbi Tooth size in patients with supernumerary teeth and a control group measured by image analysis system
    K Khalaf
    Department of Oral Health and Development, University of Sheffield, School of Clinical Dentistry, Claremont Crescent, Sheffield, South Yorkshire S10 2TA, UK
    Arch Oral Biol 50:243-8. 2005
    ..The aim of this study was to compare tooth size measurements between patients with supernumerary teeth and a control group...
  66. ncbi Alternative dental measurements: proposals and relationships with other measurements
    Simon Hillson
    Institute of Archaeology, University College London, London WC1H OPY, UK
    Am J Phys Anthropol 126:413-26. 2005
    ....
  67. ncbi Mesiodistal crown dimensions of the permanent dentition in North Indian children
    S P Singh
    Unit of Orthodontics, Oral Health Sciences Center, PGIMER, Chandigarh, India
    J Indian Soc Pedod Prev Dent 24:192-6. 2006
    ..The total arch length in males was 117.77 mm in maxilla and 111.60 mm in mandible, while in females, the figures were 113.98 mm in maxilla and 107.10 mm in the mandible...
  68. ncbi Residual dentin thickness in bifurcated maxillary first premolars after root canal and post space preparation with parallel-sided drills
    Raphael Pilo
    Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
    J Prosthet Dent 99:267-73. 2008
    ..The primary factor that determines the prognosis of endodontically treated and restored teeth is preservation of sound dentin. The potential of these teeth to fracture is directly related to the amount of dentin removed...
  69. ncbi The crown size and sexual dimorphism of permanent teeth in Jordanian cleft lip and palate patients
    Ma amon A Rawashdeh
    Oral and Maxillofacial Surgery, Jordan University of Science and Technology, and King Abdullah University Hospital, Cleft Lip and Palate Centre, Irbid, Jordan
    Cleft Palate Craniofac J 44:155-62. 2007
    ..To provide a detailed description of crown size dimensions in the permanent dentition of Jordanian cleft lip and palate patients and to compare the findings with those of other populations...
  70. ncbi Dental crowding in primary dentition and its relationship to arch and crown dimensions among preschool children of Davangere
    A R Prabhakar
    Department of Pedodontics and Preventive Dentistry, Bapuji Dental College and Hospital, Davangere, Karnataka, India
    J Dent Child (Chic) 75:168-76. 2008
    ..The arch depth of the spaced dentition was greater when compared to the crowded ones. The arch perimeter of the crowded arches was significantly less than the spaced arches...
  71. ncbi Tooth display and lip position during spontaneous and posed smiling in adults
    Pieter Van der Geld
    Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
    Acta Odontol Scand 66:207-13. 2008
    ..To analyze differences in tooth display, lip-line height, and smile width between the posed smiling record, traditionally produced for orthodontic diagnosis, and the spontaneous (Duchenne) smile of joy...
  72. ncbi Comparison of radiographic and electronical working length determination on palatal and mesio-buccal root canals of extracted upper molars
    Károly Krajczár
    Conservative Dentistry and Periodontology Department, University of Pecs, Faculty of Medicine, Dental School, Hungary
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 106:e90-3. 2008
    ..The objective of this work was to compare the accuracy of working length determination of ProPex (Dentsply-Maillefer) electronic apex locator (EAL) to the radiographic method on extracted molars...
  73. ncbi Unevenness of the apical constriction in human maxillary central incisors
    David G Olson
    U S Army Endodontic Residency Program, Fort Gordon, Georgia 30905, USA
    J Endod 34:157-9. 2008
    ..On the basis of the results of this study, a statistically significant (P < .05) variation in the longitudinal position of the apical constriction around its circumference was confirmed in maxillary central incisors...
  74. ncbi Accuracy of electronic apex locator in length determination in the presence of different irrigants: An in vitro study
    M S Muthu
    Department of Pedodontics and Preventive Dentistry, Meenakshi Ammal Dental College, Chennai, India
    J Indian Soc Pedod Prev Dent 24:182-5. 2006
    ..Comparison of the length determined by apex locators with the radiographic length was also made. The results of the study had shown that the length of root canals can be accurately made irrespective of the canal contents...
  75. ncbi Comparison in vivo of the first tapered and nontapered instruments that bind at the apical constriction
    Anda Kfir
    Department of Endodontology, School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 102:395-8. 2006
    ..To compare sizes of the first instrument with or without taper that binds to the narrow apical diameter of the root canal after coronal flaring...
  76. ncbi Accuracy of two different apex locators in primary teeth with and without root resorption
    Haluk Bodur
    Department of Pediatric Dentistry, University of Gazi Faculty of Dentistry, Emek, Ankara, Turkey
    Clin Oral Investig 12:137-41. 2008
    ..The two frequency apex locators can be recommended for use in root canal therapy for primary teeth with and without root resorption, only if electrical determination of root canal length is supported with other diagnostic measures...
  77. ncbi Ex vivo evaluation of the accuracy of two electronic apex locators during root canal length determination in primary teeth
    M R Leonardo
    Department of Pediatric, Preventive and Community Dentistry, Ribeirao Preto School of Dentistry, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
    Int Endod J 41:317-21. 2008
    ..To evaluate ex vivo the accuracy of two electronic apex locators during root canal length determination in primary incisor and molar teeth with different stages of physiological root resorption...
  78. ncbi Anomalies of tooth formation in hypohidrotic ectodermal dysplasia
    Michala O Lexner
    Department of Paediatric Dentistry and Clinical Genetics, University of Copenhagen, Copenhagen, Denmark
    Int J Paediatr Dent 17:10-8. 2007
    ..These tooth anomalies may be used as dental biomarkers for heterozygous females, enabling an earlier diagnosis, and therefore, better treatment and genetic counselling...
  79. ncbi A correlation study of occlusal and pulp chamber anatomy: the mandibular first molar
    Andre K Mickel
    Case School of Dental Medicine, Cleveland, Ohio, USA
    Gen Dent 55:221-3. 2007
    ..In addition, the orifices were consistent in their location relative to cusp tip anatomy, a discovery that may assist dentists with the access design...
  80. ncbi Peripheral dentin thickness after root-end cavity preparation
    Rajneesh Roy
    Department of Oral Rehabilitation, University of Otago School of Dentistry, Dunedin, New Zealand
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 105:263-6. 2008
    ..The objective of this study was to determine if it was possible to retain 2 mm of dentin around the periphery of root-end cavity preparations in maxillary central incisor and maxillary canine teeth...
  81. ncbi Accuracy of two apex-locating handpieces in detecting simulated vertical and horizontal root fractures
    Ozgur Topuz
    Department of Endodontics and Conservative Treatment, Faculty of Dentistry, Gazi University, Ankara, Turkey
    J Endod 34:310-3. 2008
    ..Both handpieces detected the root fractures in an acceptable range. Furthermore, electronic apex locator function of both devices was more efficient in the process than auto reverse function...
  82. ncbi The association between embrasure morphology and central papilla recession
    Li Ching Chang
    Department of Dentistry, Chang Gung Memorial Hospital, Chia Yi Branch, Chang Gung University, Taiwan, Republic of China
    J Clin Periodontol 34:432-6. 2007
    ..To discover the association between embrasure morphology and central papilla recession...
  83. ncbi Root and root canal morphology of the human permanent maxillary first molar: a literature review
    Blaine M Cleghorn
    Department of Dental Clinical Sciences, Dalhousie University, Halifax, Nova Scotia
    J Endod 32:813-21. 2006
    ..One canal was found in the distobuccal root in 98.3% of teeth whereas the palatal root had one canal in over 99% of the teeth studied...
  84. ncbi Morphological measurements of anatomic landmarks in pulp chambers of human anterior teeth
    Myong M Lee
    Essential Dental Systems, South Hackensack, New Jersey 07606, USA
    J Endod 33:129-31. 2007
    ..001). The mean values and SNK rankings were as follows: LC (5.9+/-0.5 mm)>UC (5.5+/-0.5)=UCI (5.4+/-0.4)>ULI (5.0+/-0.4)>LLI (4.8+/-0.5)>LCI (4.4+/-0.4)...
  85. ncbi Tooth-position, arch-size, and arch-shape in the primary dentition
    H H Tsai
    Department of Pedodontics, School of Dentistry, China Medical College, 91 Hsueh Shih Road, Taichung, 404 Taiwan
    ASDC J Dent Child 68:17-22, 10. 2001
    ..On average, girl's dental arches were smaller than boy's dental arches. The mean curves of mandibular arches in anterior segments were gentler than those of maxillary arches...
  86. ncbi Maxillary first molars and their 4 canals ... the benefits of magnification
    Rory E Mortman
    Palm Beach County, Dental Research Clinic, West Palm Beach, Fla, USA
    Dent Today 22:72-5. 2003
  87. ncbi The accuracy of the Root ZX electronic apex locator using stainless-steel and nickel-titanium files
    Anthony S Thomas
    Department of Endodontics, Virginia Commonwealth University School of Dentistry, Richmond, USA
    J Endod 29:662-3. 2003
  88. ncbi Tooth size in dentitions with buccal canine ectopia
    Stella Chaushu
    Department of Orthodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
    Eur J Orthod 25:485-91. 2003
    ..It is concluded that combining male and female subjects into an overall BDC group obscures important differences that exist between the two sexes...
  89. ncbi Crown-root shape of the permanent maxillary central incisor
    Grant T McIntyre
    Orthodontic Department, Unit of Orthodontics, Glasgow Dental Hospital and Dental School, 378 Sauchiehall Street, Glasgow, UK
    Angle Orthod 73:710-5. 2003
    ..These shape features could precipitate the development of a deep overbite in Class II division 2 malocclusion and may limit the amount of palatal root torque during fixed appliance therapy...
  90. ncbi Effect of root canal size and external root surface morphology on fracture susceptibility and pattern: a finite element analysis
    Chankhrit Sathorn
    J Endod 31:288-92. 2005
    ..The factors all interact in influencing fracture susceptibility and pattern, with dentin thickness not the only determining factor. The removal of dentin does not always result in an increased fracture susceptibility...
  91. ncbi Morphological measurements of anatomic landmarks in human maxillary and mandibular molar pulp chambers
    Allan S Deutsch
    Essential Dental Laboratories, 89 Leuning Street, South Hackensack, NJ 07606, USA
    J Endod 30:388-90. 2004
    ..The measurements were similar for both maxillary and mandibular molars...
  92. ncbi Evaluation of the root canal configurations of the mandibular and maxillary permanent teeth by gender in the Turkish population
    Semih Sert
    Gulhane Military Medical Academy, Department of Dentistry, Haydarpasa Training Hospital, 34668 Uskudar Istanbul, Turkey
    J Endod 30:391-8. 2004
    ..Although a majority of the specimens corresponded to this classification scheme, the analysis of this large data set revealed 14 additional root canal morphologies...
  93. ncbi A multi-dimensional orthodontic and prosthodontic study cast analysis
    John Byland
    Int J Orthod Milwaukee 14:9-14. 2003
  94. ncbi Dental crowding in primary dentition and its relationship to arch and crown dimensions
    Hung Huey Tsai
    J Dent Child (Chic) 70:164-9. 2003
    ....
  95. ncbi Dental characteristics in Williams syndrome: a clinical and radiographic evaluation
    Stefan Axelsson
    Department of Orthodontics, Faculty of Dentistry, University of Oslo, Oslo, Norway
    Acta Odontol Scand 61:129-36. 2003
    ....
  96. ncbi Operating microscope improves negotiation of second mesiobuccal canals in maxillary molars
    M O Gõrduysus
    Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
    J Endod 27:683-6. 2001
    ..Location of MB-2 varied randomly. In conclusion MB-2 can be negotiated in 80% of maxillary molars, although an orifice is apparent in 96% of the teeth. Ability to negotiate MB-2 is facilitated by OM...
  97. ncbi Age-related odontometric changes of human teeth
    Peter E Murray
    Oral Biology, Indiana University School of Dentistry, Indianapolis 46202 5782, USA
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 93:474-82. 2002
    ..However, aging odontometric data are lacking. The aim of this study was to determine possible changes in pulp cell density, pulp area, and dentinal thickness with age...
  98. ncbi The effect of an apex locator on exposure to radiation during endodontic therapy
    Paul A Brunton
    University Dental Hospital of Manchester, UK
    J Endod 28:524-6. 2002
    ..Location of the apical foramen using a combination of an electronic apex locator and radiographs to determine working length is more accurate than using radiographs alone...
  99. ncbi A study on the thickness of radicular dentine and cementum in anterior and premolar teeth
    C Bellucci
    Int Endod J 35:594-606. 2002
    ..This study aimed to measure the thickness of radicular dentine and cementum in incisors, canines and premolars, and to develop geometric average models...
  100. ncbi Assessment of root curvature and distance using computed tomography
    G J Petersilka
    Department of Periodontology, University of Munster, Waldeyerstrasse 30, 48149 Munster, Germany
    Clin Oral Investig 6:171-4. 2002
    ....
  101. ncbi Clinical evaluation of the measuring accuracy of ROOT ZX in primary teeth
    Andrej M Kielbassa
    Department of Operative Dentistry and Periodontology, University School of Dental Medicine, Freie Universitat Berlin, Germany
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 95:94-100. 2003
    ..The aim of this study was to assess the accuracy of an electronic device (Root ZX; Morita, Tokyo, Japan) for measuring the root canal length in primary teeth...

Research Grants3

  1. Root deformation and root resorption
    Thomas Katona; Fiscal Year: 2006
    ..unreadable] [unreadable]..
  2. Longitudinal study of caries in a rural WIC population
    John Warren; Fiscal Year: 2004
    ..Data from this pilot study will be of great value and will position the study team to effectively conduct future intervention studies to reduce oral health disparities. ..
  3. Biomechanical and Molecular Mechanisms in Alveolar Bone Development
    TRACY POPOWICS; Fiscal Year: 2008
    ..these experimental conditions. Taken together, these studies will provide fundamental new information about how tooth loading modifies alveolar bone in newly erupted teeth and promotes adaptive tooth support. ..