Elmar Hellwig

Summary

Affiliation: University Hospital
Country: Germany

Publications

  1. doi request reprint Remineralization of initial carious lesions in deciduous enamel after application of dentifrices of different fluoride concentrations
    Elmar Hellwig
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University Freiburg, Hugstetter Str 55, 79106 Freiburg, Germany
    Clin Oral Investig 14:265-9. 2010
  2. doi request reprint [Paradigm shift in conservative dentistry: from a mechanistic to a prevention-oriented perception]
    E Hellwig
    Abteilung für Zahnerhaltungskunde und Parodontologie, Universitatsklinik fur Zahn, Mund und Kieferheilkunde der Albert Ludwigs Universität Freiburg, Freiburg, Deutschland
    Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 54:1015-21. 2011
  3. ncbi request reprint The influence of saliva on the dissolution of calcium fluoride after application of different fluoride gels in vitro
    Elmar Hellwig
    Department of Operative Dentistry and Periodontology, University Clinic of Dentistry, Albert Ludwigs University Freiburg, Freiburg, Germany
    Quintessence Int 41:773-7. 2010
  4. doi request reprint Effect of bleaching on the elution of monomers from modern dental composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Hugstetter Strasse 55, 79106 Freiburg i Br, Germany
    Dent Mater 25:254-60. 2009
  5. doi request reprint Change in diet and oral hygiene over an 8-week period: effects on oral health and oral biofilm
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Hugstetter Strasse 55, 79106 Freiburg, Germany
    Clin Oral Investig 14:391-6. 2010
  6. ncbi request reprint Remineralization of artificial interproximal carious lesions using a fluoride mouthrinse
    Markus Jörg Altenburger
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, Albert Ludwigs University Freiburg, Hugstetter Str 49, 79095 Freiburg, Germany
    Am J Dent 20:385-9. 2007
  7. ncbi request reprint The effect of different bleaching agents on the surface texture of restorative materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    Oper Dent 31:473-80. 2006
  8. doi request reprint Effect of food preservatives on in situ biofilm formation
    Nicole Birgit Arweiler
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center, Freiburg, Germany
    Clin Oral Investig 12:203-8. 2008
  9. doi request reprint Long-term release of monomers from modern dental-composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center Freiburg, Freiburg, Germany
    Eur J Oral Sci 117:68-75. 2009
  10. doi request reprint Bacterial and Candida albicans adhesion on different root canal filling materials and sealers
    Christian Senges
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    J Endod 37:1247-52. 2011

Collaborators

Detail Information

Publications63

  1. doi request reprint Remineralization of initial carious lesions in deciduous enamel after application of dentifrices of different fluoride concentrations
    Elmar Hellwig
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University Freiburg, Hugstetter Str 55, 79106 Freiburg, Germany
    Clin Oral Investig 14:265-9. 2010
    ..It is concluded that it is possible to remineralize initial carious lesions in deciduous enamel in a similar way as it has been described for enamel of permanent teeth...
  2. doi request reprint [Paradigm shift in conservative dentistry: from a mechanistic to a prevention-oriented perception]
    E Hellwig
    Abteilung für Zahnerhaltungskunde und Parodontologie, Universitatsklinik fur Zahn, Mund und Kieferheilkunde der Albert Ludwigs Universität Freiburg, Freiburg, Deutschland
    Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 54:1015-21. 2011
    ..In older adults, evidence-based therapy options for treatment of erosions, abrasions, and root caries are lacking. For seniors needing general care, preventive and restorative concepts should be established...
  3. ncbi request reprint The influence of saliva on the dissolution of calcium fluoride after application of different fluoride gels in vitro
    Elmar Hellwig
    Department of Operative Dentistry and Periodontology, University Clinic of Dentistry, Albert Ludwigs University Freiburg, Freiburg, Germany
    Quintessence Int 41:773-7. 2010
    ..To determine the formation and dissolution of calcium fluoride on the enamel surface after application of two fluoride gel-saliva mixtures...
  4. doi request reprint Effect of bleaching on the elution of monomers from modern dental composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Hugstetter Strasse 55, 79106 Freiburg i Br, Germany
    Dent Mater 25:254-60. 2009
    ..The aim of this study was to evaluate the effect of bleaching on the elution of monomers from two modern composite materials...
  5. doi request reprint Change in diet and oral hygiene over an 8-week period: effects on oral health and oral biofilm
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Hugstetter Strasse 55, 79106 Freiburg, Germany
    Clin Oral Investig 14:391-6. 2010
    ..increased among the children. Poor oral hygiene and change of diet lead to an increase in oral plaque and gingival inflammation. The inter-individual comparison indicated a shift in bacterial composition...
  6. ncbi request reprint Remineralization of artificial interproximal carious lesions using a fluoride mouthrinse
    Markus Jörg Altenburger
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, Albert Ludwigs University Freiburg, Hugstetter Str 49, 79095 Freiburg, Germany
    Am J Dent 20:385-9. 2007
    ..To evaluate remineralization and fluoride uptake of demineralized enamel specimens in artificial interproximal spaces using a 250 ppm fluoride mouthrinse (100 ppm amine fluoride and 150 ppm sodium fluoride) compared to a placebo-mouthrinse...
  7. ncbi request reprint The effect of different bleaching agents on the surface texture of restorative materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    Oper Dent 31:473-80. 2006
    ..Within the limitations of this study, it was concluded that bleaching with 38% hydrogen peroxide and 15% carbamide peroxide did not cause major surface texture changes on the polished surfaces of the restorative materials...
  8. doi request reprint Effect of food preservatives on in situ biofilm formation
    Nicole Birgit Arweiler
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center, Freiburg, Germany
    Clin Oral Investig 12:203-8. 2008
    ..The biofilm model enabled the examination of undisturbed oral biofilm formation influenced by antibacterial components under clinical conditions...
  9. doi request reprint Long-term release of monomers from modern dental-composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center Freiburg, Freiburg, Germany
    Eur J Oral Sci 117:68-75. 2009
    ..The present study showed that ormocer released a very small amount of monomers compared with the other materials...
  10. doi request reprint Bacterial and Candida albicans adhesion on different root canal filling materials and sealers
    Christian Senges
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    J Endod 37:1247-52. 2011
    ..The present study focused on initial microbial adhesion to different endodontic filling materials...
  11. doi request reprint The effect of storage medium on the elution of monomers from composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Freiburg, Germany
    J Biomed Mater Res B Appl Biomater 100:68-74. 2012
    ....
  12. ncbi request reprint Four-year evaluation of a resin composite including nanofillers in posterior cavities
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology, University School and Dental Hospital, Albert Ludwigs University, Hugstetter Strasse 55, Freiburg, Germany
    J Adhes Dent 11:399-404. 2009
    ..The aim of this prospective study was to evaluate the clinical performance of the restorative material Ceram.X in combination with an experimental one-bottle etch-and-rinse adhesive (K-0127)...
  13. ncbi request reprint Release of monomers from four different composite materials after halogen and LED curing
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Hugstetter Strasse 55, 79106 Freiburg, Germany
    Am J Dent 24:315-21. 2011
    ..To evaluate the release of monomers from four different composite materials (Ceram X, Filtek Supreme XT, Tetric Flow, Tetric EvoCeram), polymerized using either halogen or LED unit...
  14. ncbi request reprint Shaping ability and safety of five different rotary nickel-titanium instruments compared with stainless steel hand instrumentation in simulated curved root canals
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University of Freiburg, Freiburg, Germany
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 101:807-13. 2006
    ..To compare the shaping ability and safety of engine-driven FlexMaster, GT Rotary, ProFile, ProTaper, and RaCe rotary instrumentation and Hedström hand instrumentation in simulated root canals...
  15. doi request reprint Enterococcus faecalis affects the proliferation and differentiation of ovine osteoblast-like cells
    Lamprini Karygianni
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Hugstetterstrasse 55, Freiburg 79106, Germany
    Clin Oral Investig 16:879-87. 2012
    ..In conclusion, the presence of E. faecalis in root canals may negatively affect periapical new bone formation, and thus, the healing of periapical lesions...
  16. doi request reprint Food-borne enterococci integrate into oral biofilm: an in vivo study
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    J Endod 36:1812-9. 2010
    ..To date, enterococci have been considered to be only transiently present in the oral cavity. The aim of this study was to examine whether different enterococci from food are able to reside in oral biofilm...
  17. ncbi request reprint The evaluation of fluorescence changes after application of casein phosphopeptides (CPP) and amorphous calcium phosphate (ACP) on early carious lesions
    Markus Jörg Altenburger
    Department of Operative Dentistry and Periodontology, University Medical Hospital and Dental School, Albert Ludwigs University Freiburg, Hugstetter Strasse 55, 79106 Freiburg, Germany
    Am J Dent 23:188-92. 2010
    ..To evaluate the effect of casein phosphopeptides (CPP) and amorphous calcium phosphate (ACP), as an adjunct to average oral hygiene, on the fluorescence of initial carious fissures and pits in vivo...
  18. doi request reprint The efficacy of three different in-office bleaching systems and their effect on enamel microhardness
    Olga Polydorou
    University Medical Center Freiburg, Dental School and Hospital, Department of Operative Dentistry and Periodontology, Freiburg, Germany
    Oper Dent 33:579-86. 2008
    ..05). No significant difference (p = 0.055) was noticed among the three groups regarding microhardness after bleaching...
  19. doi request reprint Bacterial colonization of enamel in situ investigated using fluorescence in situ hybridization
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, University of Freiburg, Hugstetter Strasse 55, D 79106 Freiburg, Germany
    J Med Microbiol 58:1359-66. 2009
    ..In conclusion, FISH is an appropriate method for quantifying initial biofilm formation in situ, and the proportion of streptococci increases during the first 12 h of bacterial adherence...
  20. doi request reprint In situ fluoride retention and remineralization of incipient carious lesions after the application of different concentrations of fluoride
    Markus J Altenburger
    Department of Operative Dentistry and Periodontology, University Hospital and Dental School, University of Freiburg, Freiburg, Germany
    Eur J Oral Sci 117:58-63. 2009
    ..5% fluoride fluid. For both fluoride fluids mineral gain followed a linear relationship with time during the experimental period, indicating a possible further uptake of mineral, even after 4 wk...
  21. ncbi request reprint Comparison of in vitro fluoride uptake from whitening toothpastes and a conventional toothpaste in demineralised enamel
    Markus J Altenburger
    Department of Operative Dentistry and Periodontology, University Dental School, University of Freiburg, Freiburg, Germany
    Schweiz Monatsschr Zahnmed 120:104-13. 2010
    ..The ionic form of the fluoride in toothpastes appears to be critical for increased fluoride uptake. The acidic components of the AmF toothpaste improved fluoride uptake compared to alkaline NaF toothpastes...
  22. doi request reprint Endodontic and salivary isolates of Enterococcus faecalis integrate into biofilm from human salivary bacteria cultivated in vitro
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    J Endod 35:986-91. 2009
    ..The aim of this study was to examine whether Enterococcus faecalis isolates from endodontic patients (from saliva and from a root canal) are able to prevail against salivary bacteria when grown in coculture in a biofilm reactor...
  23. ncbi request reprint [Bond strength of different resin composites to fiber-reinforced posts]
    Karl Thomas Wrbas
    Klinikum der Albert Ludwigs Universität, Universitatsklinik fur Zahn, Mund und Kieferheilkunde, Abteilung für Zahnerhaltungskunde und Parodontologie
    Schweiz Monatsschr Zahnmed 116:136-41. 2006
    ..The adhesion of the resin based core materials to the fiber posts is influenced by the post design and core materials. The combination of core materials with the type of fiber post has a great influence on the tensile bond strength...
  24. doi request reprint New bacterial compositions in root-filled teeth with periradicular lesions
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology, University Clinic and Dental Hospital, University of Freiburg, Freiburg, Germany
    J Endod 35:169-74. 2009
    ..In all teeth with Parvimonas micra and Dialister invisus, F. nucleatum and S. moorei were found. Moreover, members of additional different genera were detected delivering bacterial compositions that have been not described yet...
  25. ncbi request reprint Remineralisation of carious enamel lesions after application of a CHX/F-mouthrinse compared with sole CHX- and placebo-application
    Markus Jörg Altenburger
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University of Freiburg, Germany
    Oral Health Prev Dent 4:255-63. 2006
    ..The purpose of this cross-over, double-blind, placebo-controlled, randomised in situ study was to evaluate the remineralisation of demineralised enamel specimens using a CHX/NaF mouthrinse in comparison with a CHX- and a placebo-mouthrinse...
  26. ncbi request reprint Effect of dentifrice containing 5000 ppm fluoride on non-cavitated fissure carious lesions in vivo after 2 weeks
    Jörg Fabian Schirrmeister
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University Freiburg, Germany
    Am J Dent 20:212-6. 2007
    ..This randomized clinical trial compared the ability of two dentifrices, one containing 5000 ppm fluoride (Duraphat) and the other 1450 ppm fluoride (Caries Protection, control) to reverse non-cavitated fissure carious lesions...
  27. ncbi request reprint Antibacterial effect of two toothpastes following a single brushing
    Thorsten M Auschill
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    Oral Health Prev Dent 5:25-32. 2007
    ..The aim of this double-blind, randomised cross-over study was to compare the antibacterial effect and the substantivity of two toothpaste formulations containing amine fluoride (AmF) or zinc chloride (ZnCl2)...
  28. doi request reprint Effects of commonly used food preservatives on biofilm formation of Streptococcus mutans in vitro
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, University of Freiburg, Hugstetter Str 55, D 79106 Freiburg, Germany
    Arch Oral Biol 53:765-72. 2008
    ..Sodium benzoate (SB), potassium sorbate (PS) and sodium nitrite (SN) are commonly used food preservatives. In this in vitro study, the effects of these substances on biofilm formation of Streptococcus mutans were analysed...
  29. ncbi request reprint Effects of regular and whitening dentifrices on remineralization of bovine enamel in vitro
    Andrej M Kielbassa
    Department of Operative Dentistry and Periodontology, University School of Dental Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
    Quintessence Int 40:103-12. 2009
    ..To compare in vitro the remineralizing effects of different regular dentifrices and whitening dentifrices (containing pyrophosphates) on predemineralized enamel...
  30. doi request reprint Occurrence and causing stimuli of postoperative sensitivity in composite restorations
    Thorsten M Auschill
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Dental School and Hospital, Freiburg, Germany
    Oper Dent 34:3-10. 2009
    ..With regard to the type of sensitivity, no patients reported sensitivity to sweet/sour; most of them described their sensitivity as sharp/dull...
  31. ncbi request reprint Teaching model for artificial teeth and endodontic apex locators
    Jörg Philipp Tchorz
    University Medical Center Freiburg, Faculty of Dentistry, Department of Operative Dentistry and Periodontology, Hugstetter Strasse 55, Freiburg, Germany
    J Dent Educ 77:626-9. 2013
    ..Artificial teeth can be removed for visualization and replaced for further endodontic exercises...
  32. doi request reprint Crosstalk on cell behavior in interactive cocultures of hMSCs with various oral cell types
    Susanne Proksch
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Freiburg Medical Centre, Freiburg, Germany
    Tissue Eng Part A 18:2601-10. 2012
    ....
  33. pmc Comprehensive analysis of secondary dental root canal infections: a combination of culture and culture-independent approaches reveals new insights
    Annette Carola Anderson
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    PLoS ONE 7:e49576. 2012
    ..Both methods yielded differing results, emphasizing the benefit of combined methods for the detection of the actual microbial diversity in apical periodontitis...
  34. doi request reprint Urethane dimethacrylate: a molecule that may cause confusion in dental research
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, 79106 Freiburg i Br, Germany
    J Biomed Mater Res B Appl Biomater 91:1-4. 2009
    ..The fact that the same name is given to different molecules causes confusion about the results of studies testing the elusion of monomers from composite materials and their possible toxicity...
  35. doi request reprint Release of monomers from different core build-up materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Hugstetter Strasse 55, 79106 Freiburg i Br, Germany
    Dent Mater 25:1090-5. 2009
    ..The aim of the present study was to evaluate and compare the elution of monomers from three different core build-up composite materials and correlate it with the degree of conversion...
  36. ncbi request reprint Effect of two antimicrobial agents on early in situ biofilm formation
    Thorsten M Auschill
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Hugstetter Strasse 55, 79106 Freiburg, Germany
    J Clin Periodontol 32:147-52. 2005
    ..2%) compared with water on in situ biofilm growth...
  37. ncbi request reprint [Effectiveness of various whitening techniques and their effects on the enamel surface]
    Thorsten M Auschill
    Poliklinik für Zahnerhaltungskunde und Parodontologie, Albert Ludwigs Universitat, Freiburg, Deutschland
    Schweiz Monatsschr Zahnmed 112:894-900. 2002
    ..In this in vitro study all three techniques studied resulted in the desired tooth whitening within the recommended application time periods, and none of the three products tested created any detectable enamel surface changes...
  38. ncbi request reprint Efficacy, side-effects and patients' acceptance of different bleaching techniques (OTC, in-office, at-home)
    Thorsten Mathias Auschill
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    Oper Dent 30:156-63. 2005
    ..85 (Whitestrips). The most accepted method was the at-home bleaching technique. None of the teeth studied showed detectable enamel surface changes in the subsequent SEM analysis using 200x and 2000x magnification...
  39. ncbi request reprint Evaluation of the curing depth of two translucent composite materials using a halogen and two LED curing units
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg i Br, Germany
    Clin Oral Investig 12:45-51. 2008
    ..0001). Both translucent materials achieved microhardness values equal to the 80% of the surface values, in depths 3.5-5.5 mm, depending on the curing units used...
  40. ncbi request reprint Elution of monomers from two conventional dental composite materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, Albert Ludwigs University Freiburg, Hugstetter Strasse 55, 79106 Freiburg i Br, Germany
    Dent Mater 23:1535-41. 2007
    ..The aim of this study was to determine the elution of monomers of two conventional resin composite materials after different polymerization and storage times...
  41. ncbi request reprint The in vivo dynamics of Streptococcus spp., Actinomyces naeslundii, Fusobacterium nucleatum and Veillonella spp. in dental plaque biofilm as analysed by five-colour multiplex fluorescence in situ hybridization
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    J Med Microbiol 56:681-7. 2007
    ..and F. nucleatum. The multiplex FISH used is suitable for analysing the dynamics of four important bacterial constituents in the oral biofilm in epidemiological studies...
  42. doi request reprint Detection and activity of peroxidase in the in situ formed enamel pellicle
    Christian Hannig
    Department of Operative Dentistry and Periodontology, University of Freiburg, Hugstetter Str 55, D 79106 Freiburg, Germany
    Arch Oral Biol 53:849-58. 2008
    ..Peroxidase is the main salivary antioxidant. The aim of the present study was to detect and to characterise peroxidase in the in situ enamel pellicle...
  43. ncbi request reprint Analysis of shrinkage of different gutta-percha types using optical measurement methods
    Katharina M Meyer
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University of Freiburg, Germany
    Schweiz Monatsschr Zahnmed 116:356-61. 2006
    ..Commercial gutta-percha showed the highest shrinkage (1.1%/5 degrees C) in the range of 55 degrees C to 40 degrees C. Overall, shrinkage of all types of gutta-percha was higher than could be assumed from former studies...
  44. ncbi request reprint Two-year clinical evaluation of Cerec 3D ceramic inlays inserted by undergraduate dental students
    Karl Thomas Wrbas
    Department of Operative Dentistry and Periodontology, University School and Dental Hospital, Albert Ludwigs University of Freiburg, Freiburg, Germany
    Quintessence Int 38:575-81. 2007
    ..To evaluate the clinical results of final-year dental students' clinical performance after a practical computer-based course and training in the new Cerec 3 method...
  45. doi request reprint Human gingival keratinocyte response to substances eluted from silorane composite material reveal impact on cell behavior reflected by RNA levels and induction of apoptosis
    Simon Daniel Schulz
    Department of Oral Biotechnology, University Medical Center Freiburg, Dental School and Hospital, Freiburg, Germany
    Dent Mater 28:e135-42. 2012
    ..e. levels of total RNA and induction of apoptosis compared to a methacrylate-based material...
  46. doi request reprint Human saliva exposure modulates bone cell performance in vitro
    Susanne Proksch
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, University Medical Center Freiburg, Hugstetter Str 55, 79106, Freiburg, Germany
    Clin Oral Investig 16:69-77. 2012
    ..It seems to be reasonable to restrict the contact period between saliva and bone...
  47. doi request reprint Characterization of the first oral vagococcus isolate from a root-filled tooth with periradicular lesions
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, University Clinic and Dental Hospital, University of Freiburg, Freiburg, Germany
    Curr Microbiol 57:235-8. 2008
    ..This taxon is a new entry to the list of more than 200 microbial species detected in infected root canal systems...
  48. doi request reprint Visualization of adherent micro-organisms using different techniques
    Christian Hannig
    Department of Operative Dentistry and Periodontology, University of Freiburg, Freiburg, Germany
    J Med Microbiol 59:1-7. 2010
    ..The aim of the present review was to provide an overview of the advantages and disadvantages of different methods for visualization of adherent bacteria with a special focus on the experiences gained in dental research...
  49. pmc Comparison of the bacterial composition and structure in symptomatic and asymptomatic endodontic infections associated with root-filled teeth using pyrosequencing
    Annette Carola Anderson
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Freiburg, Germany
    PLoS ONE 8:e84960. 2013
    ..The comparison of symptomatic and asymptomatic patients showed a clear association of the composition of the bacterial community with the presence and absence of symptoms in conjunction with the patients' age. ..
  50. doi request reprint Elution of monomers from three different bonding systems and their antibacterial effect
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, University Medical Center Freiburg, Dental School and Hospital, Hugstetter Straße 55, 79106, Freiburg i Br, Germany
    Odontology 101:170-6. 2013
    ..The release of HEMA from all tested materials even after storing in human saliva increases the concerns about their toxicity. Their antibacterial effect seems not be due to the release of substances. ..
  51. doi request reprint Curing efficiency of four self-etching, self-adhesive resin cements
    Areti D Vrochari
    Department of Operative Dentistry and Periodontology, University School and Dental Hospital, Albert Ludwigs University Freiburg, Freiburg i Br, Germany
    Dent Mater 25:1104-8. 2009
    ..To evaluate the degree of cure (%DC) of four self-etching, self-adhesive resin cements, and one conventional resin cement, in their self- and dual-curing mode...
  52. doi request reprint Case report: endodontic and surgical treatment of an upper central incisor with external root resorption and radicular cyst following a traumatic tooth avulsion
    Hans Christian Lux
    University Hospital Freiburg, Operative Dentistry and Periodontology, Freiburg, Germany
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:e61-7. 2010
    ..The gradual reduction led to a fast recovery of the bony defect and a root canal filling was placed. The 2-year follow-up showed an improved condition. All adjacent teeth remained vital during the course of the treatment...
  53. ncbi request reprint Efficacy of different rotary instruments for gutta-percha removal in root canal retreatment
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology Albert Ludwigs University of Freiburg, Germany
    J Endod 32:469-72. 2006
    ..05). One RaCe file, two ProTaper, and two FlexMaster instruments separated. RaCe cleaned obturated canals more effectively than hand files and FlexMaster files...
  54. ncbi request reprint The effect of at-home bleaching on the microhardness of six esthetic restorative materials
    Olga Polydorou
    Department f Operative Dentistry and Periodontology, Albert Ludwigs University of Freiburg, Germany
    J Am Dent Assoc 138:978-84; quiz 1022. 2007
    ..The authors conducted an in vitro study to evaluate the effect of an at-home bleaching product on the microhardness of six restorative materials under different surface treatments...
  55. ncbi request reprint [Effectiveness of three whitening dentifrices]
    Frank Schneider
    Abteilung für Zahnerhaltungskunde und Parodontologie Albert Ludwigs Universität, Freiburg, Deutschland
    Schweiz Monatsschr Zahnmed 114:438-43. 2004
    ..05). There were, however, no significant differences between the groups. Moreover both methods showed similar results. Thus, the results support a significant "whitening" effect of all three dentifrices...
  56. ncbi request reprint Overestimation of Streptococcus mutans prevalence by nested PCR detection of the 16S rRNA gene
    Ali Al-Ahmad
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University, Hugstetter Strasse 55, D 79106 Freiburg, Germany
    J Med Microbiol 55:109-13. 2006
    ..mutans with regards to its role as the most prevalent causative agent of dental caries...
  57. ncbi request reprint Effectiveness of a hand file and three nickel-titanium rotary instruments for removing gutta-percha in curved root canals during retreatment
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology, Albert Ludwigs University of Freiburg, Freiburg, Germany
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 101:542-7. 2006
    ..This study intended to compare the effectiveness of hand files and FlexMaster, ProTaper, and RaCe rotary instruments for removing gutta-percha in curved root canals during retreatment...
  58. ncbi request reprint Effect of in-office tooth bleaching on the microhardness of six dental esthetic restorative materials
    Olga Polydorou
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, Albert Ludwigs University, Freiburg, Germany
    Dent Mater 23:153-8. 2007
    ..The aim of this in vitro study was to evaluate the effect of the in-office bleaching technique on the microhardness of six dental esthetic restorative materials...
  59. ncbi request reprint Detection and eradication of microorganisms in root-filled teeth associated with periradicular lesions: an in vivo study
    Jorg F Schirrmeister
    Department of Operative Dentistry and Periodontology, University Clinic and Dental Hospital, University of Freiburg, Freiburg, Germany
    J Endod 33:536-40. 2007
    ..It may be concluded that proper root canal preparation and irrigation using NaOCl and EDTA are sufficient for decontamination of the root canal system during endodontic retreatment...
  60. ncbi request reprint Laboratory-made composite resin restorations in children and adolescents with hypoplasia or hypomineralization of teeth
    Stefanie Feierabend
    Department of Operative iand Periodontology, Albert Ludwigs University Freiburg, Hugstetter Strasse 55, Freiburg, Germany
    Quintessence Int 43:305-11. 2012
    ..The outcome has been favorable with good patient compliance, brief chair time, and functional and esthetic restorations...
  61. ncbi request reprint Differences in efficacy of two commercial 0.2% chlorhexidine mouthrinse solutions: a 4-day plaque re-growth study
    Nicole B Arweiler
    Department of Operative Dentistry and Periodontology, Dental School and Hospital, Albert Ludwigs University, Freiburg, Germany
    J Clin Periodontol 33:334-9. 2006
    ..The purpose of this clinical cross-over study was to examine the antibacterial and plaque-inhibiting properties of two chlorhexidine solutions compared with a negative control...
  62. ncbi request reprint [Retention of fiber posts dependent on different resin cements]
    Karl Thomas Wrbas
    Klinikum der Albert Ludwigs Universität, Universitatsklinik fur Zahn, Mund und Kieferheilkunde, Abteilung für Zahnerhaltungskunde und Parodontologie
    Schweiz Monatsschr Zahnmed 116:18-24. 2006
    ..The combination of fiber post systems with the type of resin cement has a great influence on the tensile bond strength...
  63. ncbi request reprint Radiation-related damage to dentition
    Andrej M Kielbassa
    Department of Operative Dentistry and Periodontology, University School of Dental Medicine, Campus Benjamin Franklin, Charite Universitatsmedizin Berlin, Berlin, Germany
    Lancet Oncol 7:326-35. 2006
    ..This Review focuses on the multifactorial causes of so-called radiation caries and presents possible treatment strategies to avoid loss of dentition...