Rostiny and HERDIANTI, NUR CECILIA and Soekobagiono (2012) Kekuatan pelekatan geser antara semen resin dengan dentin yanga diulasi dan tidak diulasi kondisioner dentin. Dentika Dental Journal, 17 (2). ISSN 1693-671X

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Abstract

Preparation of dentine in fixed partial denture can cause opened dentin tubules and may increase tooth sensitivity. When dentine is prepared during fixed partial denture preparation, the surface is covered by a smear layer that adheres weakly to the underlying dentine. Dentine conditioning with dentin conditioner that contain polyacrylic acid 10% can remove the smear layer without significantly etching dentin. The use of dentin conditioner is also to reduce sensitivity that may happen during preparation. Resin cement has gained great popularity in cluting procedure of fixed partial denture restoration. The main role of this cement is to obtain retention of the fixed partial denture. The purpose of this laboratory research is to study the shear bond strength of resin cement on dentin with and without the application of dentin conditioner. Four teen samples of human extracted permanent premolar teeth were divided into two groups. Each group consisted of seven samples. Group A was treated with dentin conditioner. Group B was treated without the application of dentin conditioner. Data was analyzed by using t-test with the significant level of 5%. The result showed that, the average shear strength in group A treated with dentin conditioner was 2.98 MPa, whereas control group B was 4.23 MPa. In conclusion, there was a significant difference between both groups and the shear strength of resin cement on dentin without the application of dentin conditioner is higher than with application of dentin conditioner.

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