Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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A Study on the Shear Bond Strength of Resin Artificial Tooth Depending on Repair Techniques

레진 인공치아의 재부착 방법에 따른 전단결합강도에 관한 연구

  • Kim, Ik-Jung (Department of Prosthodontics, Graduate school, Dankook university) ;
  • Lee, Jong-Hyuk (Department of Prosthodontics, Graduate school, Dankook university) ;
  • Cho, In-Ho (Department of Prosthodontics, Graduate school, Dankook university)
  • 김익중 (단국대학교 치과대학 보철학 교실) ;
  • 이종혁 (단국대학교 치과대학 보철학 교실) ;
  • 조인호 (단국대학교 치과대학 보철학 교실)
  • Published : 2005.11.30
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Abstract

The purpose of this study was to evaluate the most effective method for repairing the exfoliated resin teeth. The specimens were divided into five groups according to repair method and presence of retention holes. The groups were as follows Group1 : Control group Group2 : Sprinkle method with no retention holes Group3 : Sprinkle method with retention holes Group4 : Flask method with no retention holes Group5 : Flask method with retention holes The results were as follows. 1. According to shear bond strength, the value decreased in the order of group1, group5, group3, group2, group4 and there were significant difference between, each group except between group1 and groups5, group2 and group3, group2 and group4(p < 0.05). 2. According to observations of the exfoliation surface, group2 and 4 showed more failure in the denture base resin and repair resin interface, but in group1, 3 and 5 there were more mixed failures. From the results above, there were no significant difference between repair methods without retention holes. But when comparing groups with retention holes, the flask method showed significantly improved results compared to the sprinkle method. Especially, group5 showed similar results as the control group.

Keywords

References

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