ISRCTN16111844已完成不适用
Clinical evaluation comparing the fit of all-ceramic crowns obtained from silicone and digital intraoral impressions
Straumann Implant system0 个研究点目标入组 21 人开始时间: 2015年9月29日最近更新:
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 21
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
- 性别
- All
入选标准
- •1. In need of one or two (if located in contra-lateral quadrants and opposing arches) single crowns on pre-(molar) teeth
- •2. Subject tooth free of clinical symptoms
- •3. No requirement for additional endodontic treatment expressed by the presence of a periapical radiolucency around an endodontically treated tooth or a root canal filling <3 months
- •4. Adequate level of oral hygiene expressed by the absence of signs of periodontal inflammation, bleeding on probing and periodontal pocket depth <4 mm
排除标准
- •1. Advanced periodontitis affecting the mobility of the teeth (mobility degree 2 or higher)
- •2. Clinical history of bruxism
- •3. Pregnant or lactating females
- •4. Marginal preparation situated deeper than 1 mm subgingival
研究者
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