표면처리와 열처리가 전장도재와 지르코니아의 결합력에 미치는 영향
Effect of surface and heat treatment on the bond strength of veneering ceramics to zirconia(Y-TZP)
안재석, 이정환,
소속 상세정보
안재석 ( Ahn Jae-Seok ) - 광주보건대학교 치기공과
이정환 ( Lee Jung-Hwan ) - 광주보건대학교 치기공과
KMID : 0362120130350040271
Abstract
Purpose: This study was to assess the effect of surface and heat treatment on the bond strength of veneering ceramics to zirconia.
Methods: The specimens were divided into 7 groups according to surface treatment and heat treatment conditions prior to porcelain application. ten specimens from each group were subjected to a 3-point flexural test. In addition the influence of surface and heat treatment on surface roughness values and phase transformation of zirconia was evaluated. Statistical analysis was performed with one-way ANOVA and post hoc Tukey’s test.
Results: Bond strength ranged from 20.67 3.13 to 32.69 4.52. Bond strength of surface treatment group was lower than that of control group but only Al2O3 sandblasting group was significant difference. Bond strength of heat treatment group was higher than that of surface treatment group but there was no statistical significance.
Conclusion: Bond strength of veneering ceramics to zirconia was affected by surface and heat treatment.
키워드
Bond strength;heat treatment;Surface treatment;Veneered zirconia;Y-TZP
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