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首页> 外文期刊>Journal of dentistry >Randomized controlled split-mouth clinical trial of direct laminate veneers with two micro-hybrid resin composites
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Randomized controlled split-mouth clinical trial of direct laminate veneers with two micro-hybrid resin composites

机译：含两种微混合树脂复合材料的直接层压薄板的随机对照裂口临床试验

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Objectives: This randomized, split-mouth clinical study evaluated the survival rate of direct laminate veneers made of two resin-composite materials. Methods: A total of 23 patients (mean age: 52.4 years old) received 96 direct composite laminate veneers using two micro-hybrid composites in combination with two adhesive resins (Ena-Bond-Enamel HFO: n = 48, Clearfil SE Bond-Miris2: n = 48). Enamel was selectively etched with 38% H 3PO 4 for 30 s, rinsed 30 s and the corresponding adhesive resin was applied accordingly. Existing resin composite restorations in good conditions (small or big) were not removed but conditioned using silica coating (CoJet) and silanized (ESPE-Sil). Restorations were evaluated at baseline and thereafter every 6 months. Additional qualitative analysis was performed using modified USPHS criteria. Results: Mean observation period was 41.3 months. Altogether, 12 absolute failures were observed [survival rate: 87.5%] (Kaplan-Meier). The survival rates with the two resin composites did not show significant differences [Enamel HFO: 81.2%, Miris2: 93.8%] (p 0.05). The presence of existing composite restorations on the prepared teeth did not affect the survival rate significantly (intact teeth: 100%, small restorations: 90.6%, big restorations: 82.7%) (p 0.05). Surface roughness and marginal discolouration were the main qualitative deteriorations observed until the final recall. Secondary caries and endodontic complications did not occur in any of the teeth. Conclusion: Early findings of this clinical study with the two micro-hybrid composite laminate veneers showed similar survival rate and their clinical performance was not significantly influenced when bonded onto intact teeth or onto teeth with existing restorations with the protocol applied.
机译：目的：这项随机，分口的临床研究评估了由两种树脂复合材料制成的直接层压薄板的存活率。方法：总共23名患者（平均年龄：52.4岁）接受了96个直接复合层压板贴面，这些贴面是将两种微混合复合材料与两种粘合树脂（Ena-Bond-Enamel HFO：n = 48，Clearfil SE Bond-Miris2 ：n = 48）。用38％H 3PO 4选择性地腐蚀搪瓷30 s，冲洗30 s，并相应地施加相应的粘合树脂。处于良好状态（小或大）的现有树脂复合修复体并未去除，而是使用二氧化硅涂层（CoJet）和硅烷化（ESPE-Sil）进行了处理。在基线及之后每6个月评估恢复情况。使用修改后的USPHS标准进行了其他定性分析。结果：平均观察期为41.3个月。总共观察到12个绝对故障[生存率：87.5％]（Kaplan-Meier）。两种树脂复合材料的存活率没有显着差异[搪瓷HFO：81.2％，Miris2：93.8％]（p> 0.05）。在准备的牙齿上存在现有的复合修复体并没有显着影响存活率（完整牙齿：100％，小的修复体：90.6％，大的修复体：82.7％）（p> 0.05）。在最终召回之前，观察到的主要表面质量是表面粗糙度和边缘变色。任何牙齿都没有继发龋齿和牙髓并发症。结论：使用两种微混合复合材料层压薄板进行的这项临床研究的早期发现显示出相似的存活率，并且当将其粘结在完整牙齿上或应用现有修复体的牙齿上时，其临床性能未受到明显影响。

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