Department of Operative Dentistry, Dental School, Federal University of Pelotas, Pelotas, RS, Brazil.
J Appl Oral Sci. 2010 Jul-Aug;18(4):364-71. doi: 10.1590/s1678-77572010000400008.
Information on the longevity of fiber-reinforced composite fixed partial dentures (inlay FPDs) should be considered in the selection of materials, operative techniques and patient instructions related to prognosis and long-term cost-effectiveness.
This study evaluated the long-term survival of fiber-reinforced, adhesively-bonded composite prostheses placed in posterior teeth.
Twenty-one patients that received adhesively bonded polyethylene inlay FPDs in posterior teeth were selected from a private practice dental office and invited to evaluation. Of the eligible 21 patients, 13 (mean age 50.3 ± 11.5 years) agreed to be enrolled as participants, providing 22 restorations, as several subjects presented more than one inlay FPD. One dentist placed all inlay FPDs using Ribbond as reinforcement and Tetric Ceram/Durafil or Charisma/Renamel composite combinations, according to manufacturer's instructions. Two independent calibrated operators performed the evaluation, using modified USPHS criteria. Survival functions of restorations were analyzed with Kaplan-Meier and Log Rank test (α = 0.05).
The majority of restorations received A or B scores. Four (18.2%) inlay FPDs fractured among the 22 evaluated. The mean estimate survival rate was 7 years (95% CI: 5.9 to 8.1), and the overall percentage of survival was 81.8%. There were no significant differences (p>0.05) between composite combinations or tooth location considering all clinical aspects evaluated and survival functions.
Posterior fiber-reinforced fixed partial dentures exhibited acceptable clinical performance after a period up to 8 years.
在选择材料、操作技术和与预后和长期成本效益相关的患者指导时，应考虑纤维增强复合固定局部义齿（嵌体 FPD）的耐用性信息。
本研究评估了在后牙中放置纤维增强、黏接复合修复体的长期存活率。
从一家私人诊所选择了 21 名接受后牙黏接式聚乙烯嵌体 FPD 的患者，并邀请他们进行评估。在符合条件的 21 名患者中，有 13 名（平均年龄 50.3±11.5 岁）同意作为参与者，提供了 22 个修复体，因为一些患者有不止一个嵌体 FPD。一位牙医使用 Ribbond 作为增强材料，并根据制造商的说明，使用 Tetric Ceram/Durafil 或 Charisma/Renamel 复合组合来放置所有嵌体 FPD。两名独立的校准操作人员使用改良的 USPHS 标准进行评估。使用 Kaplan-Meier 和 Log Rank 检验（α=0.05）分析修复体的生存功能。
大多数修复体获得 A 或 B 评分。在评估的 22 个嵌体 FPD 中，有 4 个（18.2%）发生断裂。平均估计生存率为 7 年（95%CI：5.9 至 8.1），总体生存率为 81.8%。考虑到所有评估的临床方面和生存功能，复合组合或牙齿位置之间没有显著差异（p>0.05）。
在后牙中，纤维增强固定局部义齿在长达 8 年的时间内表现出可接受的临床性能。
