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首页> 外文期刊>Journal of dentistry >A 7-year randomized prospective study of a one-step self-etching adhesive in non-carious cervical lesions. the effect of curing modes and restorative material
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A 7-year randomized prospective study of a one-step self-etching adhesive in non-carious cervical lesions. the effect of curing modes and restorative material

机译：一项为期7年的随机前瞻性研究，涉及非龋齿性宫颈病变的单步自蚀刻胶粘剂。固化方式和修复材料的影响

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Objective: The aim of this study was to evaluate the clinical retention of a one-step self-etching adhesive system (Xeno III) in Class V non-carious cervical lesions and the effect of restorative material and curing techniques on longevity of the restorations. Materials and methods: A total of 139 Class V restorations were placed with the self-etching primer Xeno III and a resin composite (Tetric Ceram) or a poly-acid modified resin composite (Dyract AP) in non-carious cervical lesions without intentional enamel involvement. The materials were cured with a conventional continuous light, a soft-start or a pulse-delay curing mode. The restorations were evaluated at baseline, 6, 12, 18 and 24 months and then yearly during a 7 year follow-up with modified USPHS criteria. Dentine bonding efficiency was determined by the percentage of lost restorations. Results: During the 7 years, 135 restorations could be evaluated. No post-operative sensitivity was reported by the participants. Overall relative cumulative loss rate frequencies for the adhesive system at 6 and 18 months and 7 years, independent of curing technique and restorative material, were 0.8%, 6.9% and 23.0%, respectively. The self-etching adhesive fulfilled at 18 months the full acceptance ADA criteria. Tetric Ceram showed at 7 years a 20.9% loss of retention and Dyract AP a 25.0% loss rate (Log rank p = 0.48). The loss rates for the 3 curing techniques: continuous, soft start and pulse delay were 17%, 27.9% and 24.4%, respectively (Log rank p = 0.52). No secondary caries was observed. Significance: The single-step self-etching adhesive showed acceptable clinical long-time retention rates to dentine surfaces independent of restorative material and curing technique used.
机译：目的：本研究旨在评估一步法自蚀刻胶粘剂系统（Xeno III）在V类非龋性宫颈病变中的临床保留率，以及修复材料和治疗技术对修复体寿命的影响。材料和方法：将共139个V类修复体与自蚀底漆Xeno III和树脂复合材料（Tetric Ceram）或多酸改性树脂复合材料（Dyract AP）放置在无龋牙的无龋牙釉质中参与。用常规的连续光，软启动或脉冲延迟固化模式固化材料。在基线，第6、12、18和24个月对修复体进行评估，然后在7年的随访期内每年对USPHS标准进行修改。牙本质粘合效率取决于修复体丢失的百分比。结果：在这7年中，可以评估135个修复体。参与者没有报告术后敏感性。粘合剂系统在6、18个月和7年的总相对累积损耗率频率分别为0.8％，6.9％和23.0％，与固化技术和修复材料无关。自蚀刻粘合剂在18个月内完全符合ADA标准。 Tetric Ceram在7年时显示出20.9％的保留损失，在Dyract AP中显示了25.0％的损失率（对数等级p = 0.48）。三种固化技术的损失率：连续，软启动和脉冲延迟分别为17％，27.9％和24.4％（对数秩p = 0.52）。没有观察到继发性龋齿。启示：单步自蚀刻粘合剂对牙质表面显示出可接受的临床长期保留率，而与所使用的修复材料和固化技术无关。

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