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|Type:||Artigo de periódico|
|Title:||Effect of Surface Sealants on Microleakage of Class II Restorations After Thermocycling and Long-term Water Storage|
|Abstract:||Purpose: To evaluate interface degradation leading to marginal microleakeage in Class II restorations that had received an application of surface sealant at the tooth/restoration interface or not. Materials and Methods: Eighty bovine incisors were used, and the teeth were split obliquely, 10 mm from the amelo-dentinal proximal junction, and finished with water abrasive papers to obtain a smooth, flat incisal surface. Cavities were made to simulate Class II preparations (8 mm high, 4 mm wide and 1.5 mm deep), and the restorations were performed with a composite resin. Teeth were then randomly allocated into 8 groups according to the surface sealant (none, Fortify, Single Bond 2, or Scothbond MP Plus) and aging process (none or thermocycling and storage for 6 months). Micro leakage was then evaluated using a dye penetration method immediately after the restoration or after aging. The samples were triturated and assessed by spectrophotometer. Results: Micro leakage was statistically similar in all groups when assessed immediately after the restorative procedure. After aging, teeth sealed with Fortify presented better results than the other groups. Conclusion: Aging causes interface degradation and increased microleakage. Surface sealant can reduce these effects and decrease microleakage in Class II restorations.|
|Editor:||Quintessence Publishing Co Inc|
|Citation:||Journal Of Adhesive Dentistry. Quintessence Publishing Co Inc, v. 13, n. 3, n. 249, n. 254, 2011.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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