摘要
目的:对比4种树脂水门汀粘结Ceramage聚合瓷嵌体后的微渗漏,为临床选择树脂水门汀提供参考。方法:40个离体无龋前磨牙按嵌体制洞原则制备近中邻牙合面洞,Ceramage聚合瓷制作树脂嵌体后随机分为4组(n=10),分别使用Rely X ARC、Rely X Unicem、Panavia F、ResiCem 4种树脂水门汀粘结嵌体。经冷热循环500次品红染色后,金刚砂片平行于牙体长轴沿近远中方向将修复体纵向剖开2次,在体视显微镜下测量染料渗入轴壁、颈壁的深度。结果:在轴壁4种材料微渗漏长度差异有统计学意义(F=8.04,P<0.05);Rely X Unicem组的微渗漏值高于Rely X ARC组(q=6.56)、Panavia F组(q=5.579)、ResiCem组(q=5.158),差异有统计学意义(P<0.05),其他3组间差异无统计学意义(P>0.05)。颈壁:不同材料间的微渗漏差异无统计学意义(F=2.112,P>0.05);同材料组的颈壁渗漏程度均显著高于轴壁(P<0.05)。结论:Rely X Unicem对釉质的封闭效果较差;Rely X ARC、Panavia F、ResiCem均是粘结树脂嵌体理想的粘结剂。
AIM： To compare the microleakage of Ceramage polymerization ceramic inlay after cemented by4 kinds of resin cement. METHODS： Mesial- occlusal cavity was prepared on 40 extracted caries free premolars. 40Ceramage polymerization ceramic inlays were made and were cemented into the cavities of the teeth by Rely X ARC,Rely X Unicem,Panavia F and ResiCem respectively（ n = 10）. After 500 psychro- thermal cycles,the teeth were stained by fuchsin. The inlays were cut longetively and dye penetration was measured under microscope. RESULTS：In terms of shaft wall,significant difference in microleakage was found among the 4 groups by single factor analysis of variance（ F = 8. 04,P〈0. 05）. Microleakage of Group Rely X Unicem was significantly higher than that of group Rely X ARC（ q = 6. 56）,group Panavia F（ q = 5. 579） and group ResiCem（ q = 5. 158）,（ P〈0. 05）. No significant difference was found among the other three groups（ P〉0. 05）. In terms of gingival wall,no statistically significant difference of microleakage was found among the 4 groups（ F = 2. 112,P〉0. 05）. In all groups,microleakage in gingival wall was significantly higher than that in shaft wall（ P〈0. 05）. CONCLUSION： The cementing effect of Rely X Unicem is the poorest among the 4 resin cements.
出处
《牙体牙髓牙周病学杂志》
CAS
北大核心
2014年第6期342-345,349,共5页
Chinese Journal of Conservative Dentistry
关键词
树脂水门汀
聚合瓷
嵌体
微渗漏
resin cement
polymerization porcelain
inlay
microleakage
