Steve R Armstrong

Summary

Affiliation: University of Iowa
Country: USA

Publications

  1. ncbi request reprint Microtensile bond strength testing and failure analysis of two dentin adhesives
    S R Armstrong
    Dows Institute for Dental Research, University of Iowa, Iowa City, USA
    Dent Mater 14:44-50. 1998
  2. ncbi request reprint Resin-dentin interfacial ultrastructure and microtensile dentin bond strength after five-year water storage
    Steven R Armstrong
    Department of Operative Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
    Oper Dent 29:705-12. 2004
  3. ncbi request reprint Effects of exogenous collagenase and cholesterol esterase on the durability of the resin-dentin bond
    Steve R Armstrong
    Department of Operative Dentistry, The University of Iowa, Iowa City, Iowa, USA
    J Adhes Dent 8:151-60. 2006
  4. doi request reprint Adhesion to tooth structure: a critical review of "micro" bond strength test methods
    Steve Armstrong
    Department of Operative Dentistry, University of Iowa College of Dentistry, 229 Dental Science Bldg S, Iowa City, IA 52242 1001, USA
    Dent Mater 26:e50-62. 2010
  5. ncbi request reprint Microtensile bond strength of a total-etch 3-step, total-etch 2-step, self-etch 2-step, and a self-etch 1-step dentin bonding system through 15-month water storage
    Steven R Armstrong
    Department of Operative Dentistry, The University of Iowa, Iowa City, Iowa, USA
    J Adhes Dent 5:47-56. 2003
  6. ncbi request reprint The influence of water storage and C-factor on the dentin-resin composite microtensile bond strength and debond pathway utilizing a filled and unfilled adhesive resin
    S R Armstrong
    Department of Operative Dentistry, University of Iowa, Iowa City, IA, USA
    Dent Mater 17:268-76. 2001
  7. ncbi request reprint Mode of failure in the dentin-adhesive resin-resin composite bonded joint as determined by strength-based (muTBS) and fracture-based (CNSB) mechanical testing
    S R Armstrong
    Department of Operative Dentistry, College of Dentistry, University of Iowa, 2295 Dental Science, Iowa City, IA 52242 1010, USA
    Dent Mater 17:201-10. 2001
  8. ncbi request reprint Effect of hybrid layer on fracture toughness of adhesively bonded dentin-resin composite joint
    S R Armstrong
    Dows Institute for Dental Research, University of Iowa, Iowa City, USA
    Dent Mater 14:91-8. 1998
  9. pmc In vitro enzymatic biodegradation of adhesive resin in the hybrid layer
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 94:187-92. 2010
  10. pmc Quantitative analysis of adhesive resin in the hybrid layer using Raman spectroscopy
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 94:288-97. 2010

Research Grants

  1. Biodurability of Dentin-Adhesive Resin Bond Joint
    Steven Armstrong; Fiscal Year: 2003

Detail Information

Publications28

  1. ncbi request reprint Microtensile bond strength testing and failure analysis of two dentin adhesives
    S R Armstrong
    Dows Institute for Dental Research, University of Iowa, Iowa City, USA
    Dent Mater 14:44-50. 1998
    ....
  2. ncbi request reprint Resin-dentin interfacial ultrastructure and microtensile dentin bond strength after five-year water storage
    Steven R Armstrong
    Department of Operative Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
    Oper Dent 29:705-12. 2004
    ..To evaluate a total-etch three-step adhesive system's resin-dentin interfacial ultrastructure and microtensile dentin bond strength (microTBS) after multi-year storage in water...
  3. ncbi request reprint Effects of exogenous collagenase and cholesterol esterase on the durability of the resin-dentin bond
    Steve R Armstrong
    Department of Operative Dentistry, The University of Iowa, Iowa City, Iowa, USA
    J Adhes Dent 8:151-60. 2006
    ..The null hypothesis tested is that the resin-dentin bond strength is equivalent for each storage medium at the tested storage times...
  4. doi request reprint Adhesion to tooth structure: a critical review of "micro" bond strength test methods
    Steve Armstrong
    Department of Operative Dentistry, University of Iowa College of Dentistry, 229 Dental Science Bldg S, Iowa City, IA 52242 1001, USA
    Dent Mater 26:e50-62. 2010
    ....
  5. ncbi request reprint Microtensile bond strength of a total-etch 3-step, total-etch 2-step, self-etch 2-step, and a self-etch 1-step dentin bonding system through 15-month water storage
    Steven R Armstrong
    Department of Operative Dentistry, The University of Iowa, Iowa City, Iowa, USA
    J Adhes Dent 5:47-56. 2003
    ..To evaluate dentin bond durability using current dentin adhesive resin bonding approaches over a 15-month period of water storage...
  6. ncbi request reprint The influence of water storage and C-factor on the dentin-resin composite microtensile bond strength and debond pathway utilizing a filled and unfilled adhesive resin
    S R Armstrong
    Department of Operative Dentistry, University of Iowa, Iowa City, IA, USA
    Dent Mater 17:268-76. 2001
    ..To test the elastic wall concept utilizing adhesive resins of varying stiffness in a low- and high-C-factor cavity design after short- and long-term water storage...
  7. ncbi request reprint Mode of failure in the dentin-adhesive resin-resin composite bonded joint as determined by strength-based (muTBS) and fracture-based (CNSB) mechanical testing
    S R Armstrong
    Department of Operative Dentistry, College of Dentistry, University of Iowa, 2295 Dental Science, Iowa City, IA 52242 1010, USA
    Dent Mater 17:201-10. 2001
    ..To determine the failure mode between dentin-adhesive resin-resin composite bonded joint produced with a chevron-notch short-bar (CNSB) and microtensile test methods...
  8. ncbi request reprint Effect of hybrid layer on fracture toughness of adhesively bonded dentin-resin composite joint
    S R Armstrong
    Dows Institute for Dental Research, University of Iowa, Iowa City, USA
    Dent Mater 14:91-8. 1998
    ..The purpose of this investigation is to evaluate the interfacial fracture toughness of a commercial dentin bonding agent with and without this hybrid layer...
  9. pmc In vitro enzymatic biodegradation of adhesive resin in the hybrid layer
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 94:187-92. 2010
    ..c) 2010 Wiley Periodicals, Inc. J Biomed Mater Res, 2010...
  10. pmc Quantitative analysis of adhesive resin in the hybrid layer using Raman spectroscopy
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 94:288-97. 2010
    ..Lack of complete monomer infiltration will further challenge dentin-adhesive bond longevity. (c) 2010 Wiley Periodicals, Inc. J Biomed Mater Res, 2010...
  11. ncbi request reprint A model for overview of student learning: a matrix of educational outcomes versus methodologies
    David C Johnsen
    College of Dentistry, University of Iowa, 300 Dental Science N, Iowa City, IA 52242, USA
    J Dent Educ 75:160-8. 2011
    ..Vertical and horizontal analyses of the matrix provide a unique lens for viewing the institution's learning environment...
  12. ncbi request reprint The cost-effectiveness of large amalgam and crown restorations over a 10-year period
    Justine L Kolker
    University of Iowa, College of Dentistry, Department of Operative Dentistry, S229 DSB, Iowa City, IA 52242, USA
    J Public Health Dent 66:57-63. 2006
    ....
  13. ncbi request reprint Relationship between nanoleakage and microtensile bond strength at the resin-dentin interface
    Sandra Guzman-Armstrong
    College of Dentistry, Department of Operative Dentistry, University of Iowa, Iowa City, IA 52242, USA
    Oper Dent 28:60-6. 2003
    ..3844). No correlation was found for the remaining adhesive systems. The correlation between these two common laboratory measurements appears to be adhesive-system dependent...
  14. ncbi request reprint Effect of desensitizing agents on dentin permeability and dentin tubule occlusion
    Justine L Kolker
    Department of Operative Dentistry, The University of Iowa, Iowa City, Iowa 52242, USA
    J Adhes Dent 4:211-21. 2002
    ..The aim of this study was to evaluate: 1) the effect of five dentin desensitizing agents (DDAs) on permeability using hydraulic conductance, and 2) morphological tubule changes with scanning electron microscopy (SEM)...
  15. ncbi request reprint Denaturation temperatures of dentin matrices. I. Effect of demineralization and dehydration
    Steven R Armstrong
    University of Iowa, Iowa City, USA
    J Endod 32:638-41. 2006
    ..However, hydrated or partially dehydrated root canal walls that have been partially demineralized with chelating agents or mild acids may be susceptible to thermal denaturation...
  16. ncbi request reprint Fluorescence changes in remineralized and nonremineralized enamel adjacent to glass ionomer ART restorations: an in vitro study
    Elizabeth B Gaskin
    College of Dentistry, University of Iowa, Iowa City, Iowa, USA
    J Dent Child (Chic) 74:215-20. 2007
    ..The purpose of this study was to evaluate fluorescence changes of remineralized and nonremineralized enamel margins adjacent to glass ionomer restorations during a pH cycling sequence...
  17. ncbi request reprint Apparent conversion of adhesive resin in the hybrid layer, Part 1: Identification of an internal reference for Raman spectroscopy and the effects of water storage
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 86:883-91. 2008
    ..This apparent conversion will impact interpretation of physical properties and structure of the polymer, as well as increase the probability of water penetration and its reaction within the hybrid layer...
  18. pmc Effects of polar solvents and adhesive resin on the denaturation temperatures of demineralised dentine matrices
    Steven R Armstrong
    University of Iowa, Iowa City, IA 52242 1001, USA
    J Dent 36:8-14. 2008
    ..To measure the denaturation temperature (Td) of demineralised dentine matrix as a function of infiltration with water vs. polar solvents vs. adhesive resins...
  19. doi request reprint Apparent conversion of adhesive resin in the hybrid layer, Part II: In situ studies of the resin-dentin bond
    Yuan Zou
    Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    J Biomed Mater Res A 89:355-62. 2009
    ..The effect of this elution explains the change in conversion measurements observed between dry and water-stored conditions, which is more appropriately described as the "apparent" conversion...
  20. ncbi request reprint Teeth with large amalgam restorations and crowns: factors affecting the receipt of subsequent treatment after 10 years
    Justine L Kolker
    Detroit Center for Research on Oral Health Disparities, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan, USA
    J Am Dent Assoc 136:738-48; quiz 805-6. 2005
    ..The authors evaluated the factors associated with the receipt of subsequent treatment by teeth restored with a large amalgam restoration or a large amalgam restoration and crown restoration after 10 years...
  21. ncbi request reprint Interfacial fracture toughness between resin-modified glass ionomer and dentin using three different surface treatments
    Victor J Setien
    Restorative Dentistry Department, Facultad de Odontologia, University of The Andes, Calle 24 entre Av 2 y 3, Merida 5101, Venezuela
    Dent Mater 21:498-504. 2005
    ..Twenty-four teeth were used for each of the three groups...
  22. ncbi request reprint Microtensile bond strength of total-etch and self-etch adhesives to the enamel walls of Class V cavities
    William P Kelsey
    Creighton University School of Dentistry, Omaha, NE 68178, USA
    Am J Dent 18:37-40. 2005
    ..To determine the difference in microtensile bond strengths (MTBS) of resin-based composite bonded to the enamel of cavity preparations using a conventional or a self-etching adhesive...
  23. ncbi request reprint Natural history of treatment outcomes for teeth with large amalgam and crown restorations
    Justine L Kolker
    Detroit Center for Research on Oral Health Disparities, University of Michigan, Ann Arbor, MI, USA
    Oper Dent 29:614-22. 2004
    ..The use of a TOT was found to be an effective observational approach for evaluating the natural history of teeth with alternative restorative treatment...
  24. doi request reprint Effects of oxalate on dentin bond after 3-month simulated pulpal pressure
    Viracha Vachiramon
    Department of Conservative Dentistry and Prosthodontics Faculty of Dentistry, Srinakharinwirot University Sukhumvit 23, Wattana District, Bangkok 10110, Thailand
    J Dent 36:178-85. 2008
    ..The hypothesis tested was that oxalate restriction of dentinal fluid transudation when using an etch-and-rinse two-step adhesive will improve microtensile bond strength (muTBS) and reduce nanoleakage...
  25. ncbi request reprint Effect of incorrect primer application on dentin permeability
    Alexandre Cavalheiro
    Department of Operative Dentistry, The University of Lisbon, Lisbon, Portugal
    J Adhes Dent 8:393-400. 2006
    ..The null hypothesis is that there is no difference in dentin permeability reduction with the use of a total-etch three-step (TE3) dentin adhesive system among the treatment groups...
  26. ncbi request reprint Resin-dentin bond strength as related to different surface preparation methods
    Vanthana Sattabanasuk
    Department of Conservative Dentistry and Prosthodontics, Srinakharinwirot University, Bangkok, Thailand
    J Dent 35:467-75. 2007
    ..To determine the microtensile bond strength and micromorphological structures on bonding of two adhesives (OptiBond FL and Clearfil SE Bond) to dentin surfaces ground with different preparation methods...
  27. ncbi request reprint Conservative restoration of proximal-cervical lesions
    Victor Setien
    Universidad de Los Andes, Facultad de Odontologia, Catedra de Operatoria Dental
    Oper Dent 28:321-3. 2003
    ..This is a tooth-structure conserving clinical procedure that can provide a simplified approach for restoring otherwise difficult clinical lesions...
  28. ncbi request reprint Susceptibility of a polycaprolactone-based root canal-filling material to degradation. III. Turbidimetric evaluation of enzymatic hydrolysis
    Noriko Hiraishi
    Faculty of Dentistry, The University of Hong Kong, and Prince Philip Dental Hospital, Pokfulam, Hong Kong SAR, China
    J Endod 33:952-6. 2007
    ..Field-emission scanning electron microscopy of air-dried Resilon and polycaprolactone emulsions revealed the presence of spherical polymer droplets that appeared deformed, pitted, or much reduced in dimensions after enzymatic hydrolysis...

Research Grants1

  1. Biodurability of Dentin-Adhesive Resin Bond Joint
    Steven Armstrong; Fiscal Year: 2003
    ..abstract_text> ..