Dwayne Arola

Summary

Affiliation: University of Maryland
Country: USA

Publications

  1. ncbi request reprint Effects of aging on the mechanical behavior of human dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    Biomaterials 26:4051-61. 2005
  2. ncbi request reprint Stress ratio contributes to fatigue crack growth in dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res A 73:201-12. 2005
  3. ncbi request reprint Fatigue of the cement/bone interface: the surface texture of bone and loosening
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res B Appl Biomater 76:287-97. 2006
  4. ncbi request reprint Hydration and dynamic fatigue of dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res A 77:148-59. 2006
  5. ncbi request reprint Transition behavior in fatigue of human dentin: structure and anisotropy
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
    Biomaterials 28:3867-75. 2007
  6. ncbi request reprint The influence of surface topography on wear debris generation at the cement/bone interface under cyclic loading
    Kirk A Stoffel
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mater Sci Mater Med 19:1935-43. 2008
  7. pmc A characterization of the mechanical behavior of resin-infiltrated dentin using nanoscopic Dynamic Mechanical Analysis
    Heonjune Ryou
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 29:719-28. 2013
  8. pmc Fatigue of the resin-enamel bonded interface and the mechanisms of failure
    Mobin Yahyazadehfar
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mech Behav Biomed Mater 21:121-32. 2013
  9. pmc Effect of carbodiimide on the fatigue crack growth resistance of resin-dentin bonds
    Zihou Zhang
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 32:211-22. 2016
  10. ncbi request reprint Mechanical properties of human enamel as a function of age and location in the tooth
    Saejin Park
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mater Sci Mater Med 19:2317-24. 2008

Research Grants

  1. Fatigue and the Endurance Strength of Dentin
    Dwayne Arola; Fiscal Year: 2003
  2. Aging and Fatigue Crack Growth in Dentin
    DWAYNE DALE AROLA; Fiscal Year: 2010

Collaborators

Detail Information

Publications30

  1. ncbi request reprint Effects of aging on the mechanical behavior of human dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    Biomaterials 26:4051-61. 2005
    ..Based on differences in the mechanical behavior and microscopic features of the fracture surfaces from the young and old specimens, aging appears to result in an increase in both the rate of damage initiation and propagation in dentin...
  2. ncbi request reprint Stress ratio contributes to fatigue crack growth in dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res A 73:201-12. 2005
    ....
  3. ncbi request reprint Fatigue of the cement/bone interface: the surface texture of bone and loosening
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res B Appl Biomater 76:287-97. 2006
    ..In addition, there was a strong correlation between the normalized initial migration and the apparent fatigue strength (i.e., specimens with the highest initial migration exhibited the lowest fatigue strength)...
  4. ncbi request reprint Hydration and dynamic fatigue of dentin
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
    J Biomed Mater Res A 77:148-59. 2006
    ..According to the experimental results, restorative conditions that cause development of static stresses within the tooth could promote a decrease in the damage tolerance of dentin...
  5. ncbi request reprint Transition behavior in fatigue of human dentin: structure and anisotropy
    D Arola
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
    Biomaterials 28:3867-75. 2007
    ....
  6. ncbi request reprint The influence of surface topography on wear debris generation at the cement/bone interface under cyclic loading
    Kirk A Stoffel
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mater Sci Mater Med 19:1935-43. 2008
    ..Femoral canal surfaces with symmetric profile height distribution (i.e., Gaussian surfaces) resulted in the lowest volume of generated debris...
  7. pmc A characterization of the mechanical behavior of resin-infiltrated dentin using nanoscopic Dynamic Mechanical Analysis
    Heonjune Ryou
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 29:719-28. 2013
    ..This study explored the spatial variations in mechanical behavior of resin-infiltrated dentin using nanoscopic Dynamic Mechanical Analysis (DMA)...
  8. pmc Fatigue of the resin-enamel bonded interface and the mechanisms of failure
    Mobin Yahyazadehfar
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mech Behav Biomed Mater 21:121-32. 2013
    ..In the absence of water aging or acid production of biofilms, the durability of adhesive bonds to enamel is lower than that achieved in dentin bonding...
  9. pmc Effect of carbodiimide on the fatigue crack growth resistance of resin-dentin bonds
    Zihou Zhang
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 32:211-22. 2016
    ..Bond durability is routinely assessed by monotonic microtensile testing, which does not consider the cyclic nature of mastication...
  10. ncbi request reprint Mechanical properties of human enamel as a function of age and location in the tooth
    Saejin Park
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Mater Sci Mater Med 19:2317-24. 2008
    ..025) and elastic modulus (p < 0.0001) were significantly greater in the old enamel. At the surface of the tooth the average elastic modulus of "old" enamel was nearly 20% greater than that of enamel from the young patients...
  11. ncbi request reprint An examination of fatigue striations in human dentin: in vitro and in vivo
    D Bajaj
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, Maryland 21250, USA
    J Biomed Mater Res B Appl Biomater 85:149-59. 2008
    ..7 MPa x m(0.5), and a stress range of approximately 12 MPa...
  12. pmc On the brittleness of enamel and selected dental materials
    S Park
    Department of Mechanical Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
    Dent Mater 24:1477-85. 2008
    ..Although brittle material behavior is often considered undesirable, a quantitative measure of "brittleness" is currently not used in assessing the clinical merits of dental materials...
  13. pmc On the importance of aging to the crack growth resistance of human enamel
    Mobin Yahyazadehfar
    Department of Material Science and Engineering, University of Washington, Seattle, WA, USA Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Acta Biomater 32:264-74. 2016
    ..The practice of restorative dentistry should account for these changes in tooth tissues in the treatment of senior patients...
  14. pmc Role of prism decussation on fatigue crack growth and fracture of human enamel
    Devendra Bajaj
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
    Acta Biomater 5:3045-56. 2009
    ..An analysis of the responses distinguished that the microstructure of enamel appears optimized for resisting crack growth initiating from damage at the tooth's surface...
  15. ncbi request reprint Age, dehydration and fatigue crack growth in dentin
    Devendra Bajaj
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    Biomaterials 27:2507-17. 2006
    ..Based on results of this study, the fatigue crack growth resistance of human dentin decreases with both age of the tissue and dehydration...
  16. pmc Importance of age on the dynamic mechanical behavior of intertubular and peritubular dentin
    Heonjune Ryou
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    J Mech Behav Biomed Mater 42:229-42. 2015
    ..Scanning based nanoDMA showed that the tubules of old dentin exhibit a gradient in elastic behavior, with decrease in elastic modulus from the cuff to the center of tubules filled with newly deposited mineral...
  17. pmc Contributions of aging to the fatigue crack growth resistance of human dentin
    Juliana Ivancik
    Department of Mechanical Engineering, University of Maryland Baltimore County, USA
    Acta Biomater 8:2737-46. 2012
    ..While there are changes in the cyclic crack growth rate and mechanisms of cyclic extension with aging, this tissue maintains its anisotropy...
  18. pmc Nanoscopic dynamic mechanical properties of intertubular and peritubular dentin
    Heonjune Ryou
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
    J Mech Behav Biomed Mater 7:3-16. 2012
    ..The largest difference in dynamic behavior of the two tissues was noted at small quasi-static indentation loads and the highest frequency...
  19. ncbi request reprint A comparison of the mechanical behavior of posterior teeth with amalgam and composite MOD restorations
    D Arola
    Department of Mechanical Engineering, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    J Dent 29:63-73. 2001
    ..To compare the mechanical behavior, and infer differences in fracture resistance, of mandibular molars with amalgam and composite MOD restorations to that of an unrestored molar...
  20. doi request reprint Evaluation of effectiveness of Er,Cr:YSGG laser for root canal disinfection: theoretical simulation of temperature elevations in root dentin
    L Zhu
    Department of Mechanical Engineering, University of Maryland, Baltimore, MD 21250, USA
    J Biomech Eng 131:071004. 2009
    ..The alternative treatment protocol has the potential to not only achieve bacterial disinfection of deep dentin but also shorten the treatment time, thereby minimizing potential patient discomfort during laser procedures...
  21. ncbi request reprint A comparison of fatigue crack growth in resin composite, dentin and the interface
    Matthew J Soappman
    Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    Dent Mater 23:608-14. 2007
    ..The objective of this in vitro study was to evaluate the fatigue crack growth properties of the dentin/resin adhesive interface...
  22. pmc On the stiffness of demineralized dentin matrices
    Heonjune Ryou
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 32:161-70. 2016
    ..Several publications show that crosslinking agents like gluteraladehyde, carbodiimide or grape seed extract can stiffen collagen and improve resin-dentin bond strength...
  23. pmc The effect of age on bacterial penetration of radicular dentin
    Payman Kakoli
    Department of Endodontics, Prosthodontics and Operative Dentistry, Dental School, University of Maryland Baltimore, Baltimore, Maryland 21201, USA
    J Endod 35:78-81. 2009
    ..014). Also, the depth of invasion by bacteria was significantly higher in the young than in the old group (p = 0.033). These results suggest that bacterial infection of dentinal tubules occur to a lesser extent in older patients...
  24. pmc Vertical fracture of root filled teeth restored with posts: the effects of patient age and dentine thickness
    A S Mireku
    Department of Endodontics, Prosthodontics, and Operative Dentistry, Baltimore College of Dental Surgery, University of Maryland, Baltimore, MD 21250, USA
    Int Endod J 43:218-25. 2010
    ..To determine whether patient age contributed to the fracture resistance of teeth subjected to root canal treatment and post placement...
  25. pmc Aging and the reduction in fracture toughness of human dentin
    A Nazari
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, United States
    J Mech Behav Biomed Mater 2:550-9. 2009
    ..Microstructural changes with aging decreased the capacity for near-tip inelastic deformation and microcracking of the tubules, which in turn suppressed the formation of unbroken ligaments and the degree of extrinsic toughening...
  26. pmc On the durability of resin-dentin bonds: Identifying the weakest links
    Zihou Zhang
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Dent Mater 31:1109-18. 2015
    ..Fatigue of resin-dentin adhesive bonds is critical to the longevity of resin composite restorations...
  27. pmc On the fatigue behavior of resin-dentin bonds after degradation by biofilm
    Mustafa Murat Mutluay
    Adhesive Dentistry Research Group, Institute of Dentistry, University of Turku, Turku, Finland
    J Mech Behav Biomed Mater 18:219-31. 2013
    ..Biofilm degradation is an important consideration in assessing the durability of resin-dentin bonds...
  28. pmc Fatigue of the resin-dentin interface: a new approach for evaluating the durability of dentin bonds
    Mustafa Murat Mutluay
    Adhesive Dentistry Research Group, Department of Cariology, Institute of Dentistry, University of Turku, Turku, Finland
    Dent Mater 29:437-49. 2013
    ..There are concerns regarding the longevity of resin composite restorations and the clinical relevance of in vitro bond strength testing to the durability of dentin bonds in vivo...
  29. pmc Synergistic degradation of dentin by cyclic stress and buffer agitation
    Santiago Orrego
    Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    J Mech Behav Biomed Mater 44:121-32. 2015
    ..However, movement only caused significantly greater material loss (p ≤ 0.0005) than cyclic stress. Subsurface degradation was greatest at the location of highest stress, but was not influenced by stress state or movement...
  30. pmc The role of organic proteins on the crack growth resistance of human enamel
    Mobin Yahyazadehfar
    Department of Material Science and Engineering, University of Washington, Seattle, WA, USA Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA
    Acta Biomater 19:33-45. 2015
    ..Replicating functions of the organic content will be critical to the successful development of bio-inspired materials that are designed for fracture resistance. ..

Research Grants2

  1. Fatigue and the Endurance Strength of Dentin
    Dwayne Arola; Fiscal Year: 2003
    ..Therefore, results from this study could have tremendous impact on the clinical techniques and procedures used for restorative dentistry. ..
  2. Aging and Fatigue Crack Growth in Dentin
    DWAYNE DALE AROLA; Fiscal Year: 2010
    ..These achievements should reduce the incidence of restorative failures associated with tooth fracture, resulting in billions of dollars in savings of health care costs, as well as a reduction in human suffering. ..