The Study of the Effect of Thermocycling on Microleakage within Various Dentin Bonding Agents

열순환이 상아질접착제 처리 후 미세누출에 미치는 영향에 관한 연구

  • Yoo, Seung-Hoon (Department of Pediatric dnetistry, College of Dentistry, Dankook University)
  • 유승훈 (단국대학교 치과대학 소아치과학 교실)
  • Received : 2008.03.07
  • Accepted : 2008.06.25
  • Published : 2008.06.30


Three groups of dentin bonding agents (5th generation Single Bond 2.0 and two 6the generation Prompt L-Pop, AdheSE) applied to class V cavities (upper portion with enamel margin and lower portion with dentin margin) prepared at buccal and lingual portion of premolars and molars. Each groups consist of 30 teeth. Devide into two groups, one without thermocycling and the other thermocycled. After then, infiltrate methylene blue into the gap between restoration and tooth. Within non-thermocycled groups, Single Bond 2.0 group shows lesser leakage at enamel margin than other two bonding agents (p <.05) but shows more leakage at dentin margin than other two bonding agents. (p <.05) Within thermocycled groups, Single Bond 2.0 group shows lesser leakage at both enamel and dentin margins. (p <.05)


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