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Practicability of a chairside approach for characterizing CAD/CAM resin-based composites.
Journal of Oral Science ( IF 1.9 ) Pub Date : 2020-09-26 , DOI: 10.2334/josnusd.19-0507
Dominic Gold 1 , Sebastian F Hahnel 1 , Oliver Schierz 1 , Angelika Rauch 1
Affiliation  

Perception of tooth shades is subjective and not rated exactly the same by different individuals. In terms of dental esthetics, chairside individualization of dental restorations might help to improve patient satisfaction. This investigation aimed to validate the practicability of a chairside approach for staining resin-based composite restorations. Thirteen inexperienced and 13 experienced participants were recruited to first individualize two CAD/CAM resin-based composite crowns in randomized order with light-curing characterization material using two reference crowns as templates. They then evaluated the characterization procedure. The processing times were recorded, and the clinical quality of the individualized crowns was evaluated by two blinded master dental technicians. Of the 52 crowns examined, 90.4% were assessed as suitable for insertion; there was no difference in quality attributable to the different degrees of experience of the operators. The average time required for characterization of the second crown was significantly shorter than for the first crown (30.9/43.0 min), indicating that the procedure can be implemented using a chairside approach. Among the operators, 80.8% said they would use the individualization technique and staining material again. Chairside staining of CAD/CAM resin-based composite restorations with light-curing characterization materials is practicable and can be recommended for both experienced and inexperienced users.



中文翻译:

表征CAD / CAM树脂基复合材料的椅旁方法的实用性。

牙齿阴影的感知是主观的,不同的人对其评价并不完全相同。就牙齿美学而言,牙齿修复物的床旁个性化可能有助于提高患者满意度。这项研究旨在验证椅旁方法对基于树脂的复合修复体染色的实用性。招募了13名缺乏经验的参与者和13名经验丰富的参与者,他们首先使用两个参考牙冠作为模板,以光固化特征材料以随机顺序对两个基于CAD / CAM树脂的复合材料牙冠进行了个性化处理。然后,他们评估了表征程序。记录加工时间,并由两名不知情的牙科技术员评估个性化牙冠的临床质量。在检查的52冠中,有90冠。4%被认为适合插入;由于操作人员经验的不同程度,质量没有差异。表征第二个牙冠所需的平均时间明显短于第一个牙冠的时间(30.9 / 43.0分钟),这表明该过程可以使用椅旁方法实施。在操作员中,有80.8%的人表示将再次使用个性化技术和染色材料。用光固化特征材料对CAD / CAM树脂基复合修复物在椅子上进行染色是可行的,并且建议有经验和没有经验的用户使用。表征第二个牙冠所需的平均时间明显短于第一个牙冠的时间(30.9 / 43.0分钟),这表明该过程可以使用椅旁方法实施。在操作员中,有80.8%的人表示将再次使用个性化技术和染色材料。用光固化特征材料对CAD / CAM树脂基复合修复物在椅子上进行染色是可行的,并且建议有经验和没有经验的用户使用。表征第二个牙冠所需的平均时间明显短于第一个牙冠的时间(30.9 / 43.0分钟),这表明该过程可以使用椅旁方法实施。在操作员中,有80.8%的人表示将再次使用个性化技术和染色材料。用光固化特征材料对CAD / CAM树脂基复合修复物在椅子上进行染色是可行的,并且建议有经验和没有经验的用户使用。

更新日期:2020-09-25
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