2种不同粘接水门汀对树脂类冠修复材料和全瓷托槽剪切粘接力的影响

Abstract

Abstract: Objective To evaluate the effects of two different cements on shear bond force of resin crown and all ceramic brackets. Methods Two kinds of cements, Transbond XT and RelyX Ultimate, were used to bond Inspire Ice with four kinds of resin crown restoration materials. The fracture load (N) was measured after 5,000 thermal cycles, and the fracture surface was observed. Results The results of one-way ANOVA, F= 4.52 (P < 0.001), showed that adhesive conditions had a significant effect on the shear adhesive force of ceramic brackets and resin crowns. Among them, Lava Ultimate+Transbond XT group (325.10 ± 135.54) N and Lava Ultimate+ RelyX Ultimate+ bracket sandblasting group (304.71 ± 35.71) N were higher than those of other groups, and Lava Ultimate + Transbond XT + bracket sandblasting group was the lowest (118.12 ± 57.58) N. Conclusion The shear bond force of the resin based ceramic material Lava Ultimate and ceramic bracket is higher than that of the temporary crown material. When the ceramic bracket is not sandblasted, there is no significant difference in the adhesive force between the orthodontic cement Transbond XT and the prosthodontic cement RelyX Ultimate. After sandblasting, the ceramic bracket loses the retention ball, and the RelyX Ultimate has a higher adhesive force.

Key words: ceramic bracket, shear adhesive force, resin-matrix ceramics, temporary crown restoration materials, sandblasting

CLC Number:

R783.1

References 15

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Effects of two different cements on shear bond force of resin crown restoration materials and all ceramic brackets

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