Barabanti N, Özcan M, Eyüboğlu T F, Cerrutti A
Lecturer, Department of Restorative Dentistry, School of Dentistry, University of Brescia, Italy.
Professor and Chairman, University of Zurich, Clinic of Masticatory Disorders and Dental Biomaterials, Center for Dental Medicine, Zurich, Switzerland.
Eur J Prosthodont Restor Dent. 2024 Nov 29;32(4):398-402. doi: 10.1922/EJPRD_2656Barabanti05.
This prospective clinical study evaluated the survival of indirect, posterior fiber-reinforced composite fixed dental prosthesis (FRC FDP). Between June-1999 and June- 2000, 58 patients received 65 FCR FDPs made of unidirectional E-glass fibers (Vectris) veneered with resin composite (Signum) that were adhesively cemented (Variolink II). The evaluation protocol involved technical (chipping, debonding or fracture of tooth/restoration) and biological failures (caries, endodontic complications). Altogether, 6 technical failures were observed after a mean observation time of 180 months (survival rate: 89.2%, Kaplan-Meier) in the form of fractures (n=2) and partial debondings (n=4). All defective restorations were repaired or recemented. Secondary caries occurred in one patient after 11 years. The 3-unit posterior FRC FDPs showed good clinical survival rate up to 15 years of clinical function. Limited numbers of experienced failures were due to mainly debonding followed by fracture of the veneering composite.g composite.
这项前瞻性临床研究评估了间接后牙纤维增强复合固定义齿(FRC FDP)的存留情况。在1999年6月至2000年6月期间,58例患者接受了65颗由单向E玻璃纤维(Vectris)制成、表面覆盖树脂复合材料(Signum)并采用粘结剂粘结(Variolink II)的FCR FDP。评估方案包括技术失败(牙齿/修复体的崩瓷、脱粘或折断)和生物学失败(龋齿、牙髓并发症)。在平均180个月的观察期后,共观察到6例技术失败(存留率:89.2%,Kaplan-Meier法),表现为折断(n=2)和部分脱粘(n=4)。所有有缺陷的修复体均进行了修复或重新粘结。1例患者在11年后发生继发龋。3单位后牙FRC FDP在长达15年的临床功能期内显示出良好的临床存留率。有限数量的经验性失败主要是由于脱粘,其次是覆盖复合材料的折断。