氧化锆贴面处理结果
氧化锆贴面表面处理效果、精度及处理结果
This study aims to evaluate the clinical performance of the zirconia laminate veneer, a minimally invasive prosthetic restoration
研究概览
地位
详细说明
Patients with indications for single tooth restoration with ceramic laminate veneers are recruited for the study. These indications include spaced, discolored, malformed, root canal-treated, chipped, and mildly crowded teeth. After providing written informed consent, all patients are randomly divided into two groups in a double-blind manner (participants and the outcomes assessor) in a 1:1 ratio, including the Zirconia group (intervention) and the Lithium Disilicate group (control). Each patient's tooth is prepared and restored with the corresponding laminate veneer material, that is, zirconia and lithium disilicate.
研究类型
注册 (实际的)
阶段
- 不适用
联系人和位置
学习地点
-
-
Hanoi
-
Hanoi、Hanoi、越南、10000
- High Technical Center of Dentistry, School of Dentistry
-
-
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Spaced tooth
- Discolored tooth
- Malformed tooth
- Root canal-treated tooth
- Chipped tooth
- Mildly crowded tooth
Exclusion Criteria:
- Tooth bruxism
- Inadequate enamel for bonding
- Large restoration exists
- Bad oral habits harming restoration
学习计划
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：双倍的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
实验性的：Zirconia laminate veneer
Intervention: Single-tooth restoration using zirconia ceramic laminate veneers. Procedure: Tooth preparation following standard protocols for laminate veneer placement. Fabrication of zirconia laminate veneers. Cementation of zirconia laminate veneers with appropriate bonding protocol. Follow-Up: after 2 weeks, 6 months, and 12 months |
Zirconia veneers are milled with computer-aided manufacturing technology from multilayered zirconia discs with shade matched with adjacent teeth. After sintering, veneer surfaces are treated with a hydrofluoric acid-nitric acid mixture. Next, veneers are cut back if necessary to provide space for characterization. Veneers are bonded with a light-cured veneer adhesive system (Relyx Veneer LC, 3M, USA). |
|
有源比较器：Lithium Disilicate laminate veneer
Intervention: Single-tooth restoration using lithium disilicate ceramic laminate veneers. Procedure: Tooth preparation following standard protocols for laminate veneer placement. Fabrication of lithium disilicate laminate veneers. Cementation of lithium disilicate laminate veneers with appropriate bonding protocol. Follow-Up: after 2 weeks, 6 months, and 12 months |
Lithium Disilicate veneers are milled with computer-aided manufacturing technology from lithium disilicate blocks with shade matched with adjacent teeth. After sintering, veneer surfaces are treated with hydrofluoric acid. Next, veneers are cut back if necessary to provide space for characterization. Veneers are bonded with a light-cured veneer adhesive system (Relyx Veneer LC, 3M, USA). |
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Marginal and internal fit
大体时间：Before veneer adhesion
|
Measurement of marginal and internal fit in micrometers with silicone replica method |
Before veneer adhesion
|
|
Gingival health
大体时间：2 weeks, 6 months, 12 months
|
Assessment of gingival index |
2 weeks, 6 months, 12 months
|
|
Periodontal pocket
大体时间：2 weeks, 6 months, 12 months
|
Measurement of periodontal pocket depth in millimeters |
2 weeks, 6 months, 12 months
|
|
Evaluation criteria based on the modified United States Public Health Standard
大体时间：2 weeks, 6 months, 12 months
|
Shade match, contour, fracture, loss of retention, hypersensitivity |
2 weeks, 6 months, 12 months
|
合作者和调查者
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.