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A retrospective evaluation of zirconia-fixed partial dentures in general practices: An up to 13-year study

机译:常规操作中氧化锆固定局部义齿的回顾性评估:长达13年的研究

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摘要

Objectives. To evaluate zirconia-based fixed partial dentures (FPDs) after more than 8 years in clinical service. Methods. Patients treated between 2000 and 2004 with zirconia FPDs were identified from the records of a manufacturer of FPD substructures. Of the 45 patients who met the inclusion criteria 30 attended the appointment and 33 FPDs were evaluated using modified California Dental Association (CDA) criteria. In addition, plaque and the bleeding index were registered. Patient satisfaction with the restorations was evaluated using a 10-point visual analog scale (VAS). Results. All the FPDs were made using CAD/CAM and hot isostatic pressed yttria-tetragonal zirconia polycrystal (HIPed Y-TZP) ceramic (Denzir) and were placed within general practices. The mean observation period was 9.6 ±1.6 years (range 3.0-13.1 years). The CDA rating was 90% satisfactory for the surface. Corresponding figures for anatomic form, color and margin integrity were 94%, 100% and 94%, respectively. Regarding surface three (9.7%) FPDs exhibited veneer chipping and were rated 'not acceptable'. For margin integrity two (6.5%) were rated 'not acceptable' because of caries. For anatomic form two (6.1%) were rated 'not acceptable' due to two lost FPDs. No significant differences were seen between the FPDs and controls for plaque and bleeding. The Kaplan-Meier survival rate (still in clinical function) was 94%, the success rate (technical events accounted for) 91% and (biological events accounted for) 73%. Based on the VAS the mean value for patient satisfaction was 9.3 ± 1.2. Significance. Ninety-four percent of the FPDs were still in clinical function. HIPed Y-TZP could serve as an alternative for FPD treatments similar to those in the current study.
机译:目标。在临床服务超过8年后评估基于氧化锆的固定局部义齿(FPD)。方法。从FPD子结构制造商的记录中识别出2000年至2004年之间接受氧化锆FPD治疗的患者。在符合入选标准的45位患者中,有30位参加了任命,并使用修改后的加利福尼亚牙科协会(CDA)标准对33位FPD进行了评估。另外,记录斑块和出血指数。使用10点视觉模拟量表(VAS)评估患者对修复体的满意度。结果。所有FPD均使用CAD / CAM和热等静压氧化钇-四方氧化锆多晶(HIPed Y-TZP)陶瓷(Denzir)制成,并置于常规范围内。平均观察期为9.6±1.6年(范围3.0-13.1年)。表面的CDA评级为90%令人满意。解剖形态,颜色和边缘完整性的相应数字分别为94%,100%和94%。关于表面的三个(9.7%)FPD表现出单板碎裂并被评为“不可接受”。对于边缘完整性,由于龋齿,有两个(6.5%)被评为“不可接受”。对于解剖形式,由于两个FPD丢失,两个(6.1%)被评为“不可接受”。 FPDs与对照之间在噬菌斑和出血方面无显着差异。 Kaplan-Meier存活率(仍为临床功能)为94%,成功率(技术事件占91%)和(生物学事件占73%)。基于VAS,患者满意度的平均值为9.3±1.2。意义。 FPD中有94%仍处于临床功能。髋关节Y-TZP可以作为FPD治疗的替代方法,类似于当前的研究。

著录项

  • 来源
    《Dental materials》 |2015年第2期|162-170|共9页
  • 作者单位

    Dental Materials Science, Faculty of Medicine, Umea University, SE-901 87 Umea, Sweden;

    Dental Materials Science, Faculty of Medicine, Umea University, SE-901 87 Umea, Sweden;

    Prosthetic Dentitstry, Faculty of Medicine, Umea University, SE-901 87 Umea, Sweden;

    Dental Materials Science, Faculty of Medicine, Umea University, SE-901 87 Umea, Sweden;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CAD/CAM; Ceramics; Clinical study; General practices; HIPed Y-TZP; FPD; Zirconia;

    机译:CAD / CAM;陶瓷;临床研究;一般做法;髋关节Y-TZP;FPD;氧化锆;
  • 入库时间 2022-08-18 03:46:53

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