Restorative Dentistry and Endodontics

The Korean Academy of Conservative Dentistry (대한치과보존학회)
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Coronal microleakage of four temporary restorative materials in Class II-type endodontic access preparations

  • Yun, Sang-Mi (Department of Conservative Dentistry, Wonkwang University School of Dentistry) ;
  • Karanxha, Lorena (Department of Conservative Dentistry, Wonkwang University School of Dentistry) ;
  • Kim, Hee-Jin (Department of Conservative Dentistry, Wonkwang University School of Dentistry) ;
  • Jung, Sung-Ho (Department of Conservative Dentistry, Wonkwang University School of Dentistry) ;
  • Park, Su-Jung (Department of Conservative Dentistry, Wonkwang University School of Dentistry) ;
  • Min, Kyung-San (Department of Conservative Dentistry, Wonkwang University School of Dentistry)
  • Received : 2011.12.13
  • Accepted : 2012.02.01
  • Published : 2012.03.01
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Abstract

Objectives: The purpose of this study was to evaluate the microleakage of 4 temporary materials in teeth with Class II-type endodontic access preparations by using a glucose penetration model. Materials and Methods: Glucose reaction test was performed to rule out the presence of any reaction between glucose and temporary material. Class II-type endodontic access preparations were made in extracted human premolars with a single root (n = 10). Each experimental group was restored with Caviton (GC), Spacer (Vericom), IRM (Dentsply-Caulk), or Fuji II(GC). Microleakage of four materials used as temporary restorative materials was evaluated by using a glucose penetration model. Data were analyzed by the one-way analysis of variance followed by a multiplecomparison Tukey test. The interface between materials and tooth were examined under a scanning electron microscope (SEM). Results: There was no significant reaction between glucose and temporary materials used in this study. Microleakage was significantly lower for Caviton and Spacer than for Fuji II and IRM. SEM observation showed more intimate adaptation of tooth-restoration interfaces in Caviton and Spacer than in IRM and Fuji II. Conclusions: Compared to IRM and Fuji II, Caviton and Spacer can be considered better temporary sealing materials in Class II-type endodontic access cavities.

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References

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