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III类洞复合树脂的12个月临床评估

A 12-month clinical evaluation of composite resins in class III restorations.

作者信息

Loguercio Alessandro Dourado, Lorini Eliane, Weiss Rita Valéria, Tori Ana Paula, Picinatto Cristhiane Covolan, Ribeiro Neila Rosane, Reis Alessandra

机构信息

Department of Dental Materials and Operative Dentistry, University of Oeste de Santa Catarina, Campus Joaçaba/SC, Brazil.

出版信息

J Adhes Dent. 2007 Feb;9(1):57-64.

Abstract

PURPOSE

This paired-tooth randomized controlled prospective clinical study compared the clinical performance of three composite resins in Class III cavities after 12 months.

MATERIALS AND METHODS

Three materials were evaluated: a microfilled composite resin (Durafill VS), a hybrid composite resin (Filtek Z250), and a nanofilled composite resin (Filtek Supreme). Thirty-eight patients having at least three Class III restorations were enrolled in this study. A total of 114 restorations were placed by two calibrated operators according to the manufacturers' instructions. The adhesive system (Clearfil SE Bond) was either applied according to manufacturer's instructions (CSE non-etch) or enamel margins were first etched with phosphoric acid (CSE etch). One week later, the restorations were finished and polished. Two other independent examiners evaluated the restorations at baseline according to the USPHS criteria and USPHS modified criteria for the items color match and surface appearance. The restoration location was taken into consideration during the analysis of each item. A nonparametric analysis of variance (Friedman test) and the Wilcoxon test were used for statistical analysis (alpha = 0.05).

RESULTS

The restoration location did not influence the evaluated items. Filtek Z250 showed the best color match at baseline, and after 6 and 12 months. No significant difference in the item surface appearance was detected at baseline; however, after 6 and 12 months, Filtek Z250 showed the worst performance on this item. No significant difference was found between CSE non-etch and CSE etch groups.

CONCLUSION

The hybrid composite resin showed an excellent immediate and 12-month color match, which was superior to the nanofilled and microfilled composites tested. On the other hand, the nanofilled and microfilled composites showed the best surface appearance after 12 months. Additional etching of the enamel cavity margins did not influence the clinical performance of the adhesive Clearfil SE Bond.

摘要

目的

本配对牙齿随机对照前瞻性临床研究比较了三种复合树脂在Ⅲ类洞修复12个月后的临床性能。

材料与方法

评估了三种材料:一种微填料复合树脂(Durafill VS)、一种混合复合树脂(Filtek Z250)和一种纳米填料复合树脂(Filtek Supreme)。38例至少有三个Ⅲ类洞修复体的患者纳入本研究。两名经过校准的操作人员按照制造商的说明放置了总共114个修复体。粘结系统(Clearfil SE Bond)要么按照制造商的说明应用(CSE非酸蚀),要么先用磷酸蚀刻釉质边缘(CSE酸蚀)。一周后,对修复体进行修整和抛光。另外两名独立的检查人员根据美国公共卫生服务部(USPHS)标准和USPHS修改后的颜色匹配和表面外观标准在基线时评估修复体。在分析每个项目时考虑了修复体的位置。采用非参数方差分析(Friedman检验)和Wilcoxon检验进行统计分析(α = 0.05)。

结果

修复体位置不影响评估项目。Filtek Z250在基线时以及6个月和12个月后显示出最佳的颜色匹配。在基线时未检测到项目表面外观的显著差异;然而,在6个月和12个月后,Filtek Z250在该项目上表现最差。CSE非酸蚀组和CSE酸蚀组之间未发现显著差异。

结论

混合复合树脂显示出优异的即时和12个月颜色匹配,优于所测试的纳米填料和微填料复合树脂。另一方面,纳米填料和微填料复合树脂在12个月后显示出最佳的表面外观。釉质洞边缘的额外蚀刻不影响粘结剂Clearfil SE Bond的临床性能。

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