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Evaluation of the Clinical Performance of the 3M ESPE Lava Chairside Oral Scanner C.O.S.
3M ESPE AG0 个研究点目标入组 20 人开始时间: 2009年10月28日最近更新:
适应症
试验速览
- 阶段
- 未知
- 状态
- 已完成
- 发起方
- 入组人数
- 20
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized controlled study
- 盲法
- Blinded (masking used)
入排标准
- 年龄范围
- 18 Years 至 65 Years（—）
- 性别
- All
入选标准
- •Are employed at 3M ESPE
- •-Are between 18 und 65 years
- •-Are in the need of a single crown at posterior teeth
- •-Have study tooth which is free of clinical symptoms
- •-Have no need for additional extended treatment (e.g. endodontic treatment)
- •-Maintain an acceptable standard of oral hygiene
- •-Have given informed consent
排除标准
- •-Have advanced periodontitis affecting the mobility of the teeth (Mobility degree higher than 2)
- •-Are pressing, clenching or grinding
- •-Are pregnant or lactating females, since crown preparation and impression means stress for the patient, potentially resulting in an increased adrenalin concentration in the blood.
- •-Are patients with a medical or dental history which could possibly complicate the provision of the proposed restorations and/or influence the behaviour and performance of the restorations in clinical service
研究者
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