DRKS00013257已完成未知
Monolithic zirconia crowns – a prospective randomized controlled clinical trial and monolithic zirconia partial crowns - a prospective clinical trial - LAVA Esthetics
niklinik RWTH Aachen Klinik für Zahnärztliche Prothetik und Biomaterialien0 个研究点目标入组 38 人开始时间: 2020年9月11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
- 38
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
- Open (masking not used)
入排标准
- 年龄范围
- 18 Years 至 one（—）
- 性别
- All
入选标准
- •1. Due to the fact that the preparations for the study crowns are not different from other crown indications already prepared teeth can be included.
- •2. The participants of the study must be adult and growth must be completed. Written informed consent must be available.
- •3. Indication for posterior crown(s) or partial crown.
- •4. Natural teeth or fixed partial dentures / fixed restorations as antagonists.
- •5. High probability that the antagonist material stays in situ for at least three years.
- •6. Within in the study a maximum of two crowns (one zirconia and one lithiumdisilicate) and at least one partial crown made of zirconia can be inserted.
- •7. No general dental complaints
- •8. No periodontal treatment needs. Absence of periodontal diseases are characterized by: pocket depths > 3mm, affection of furcation, tooth loosening. Does a patient not fulfill the requirements the monitor or the quality assurance makes a decision if the patient can be included after certain pretreatments.
- •9. Sufficient oral hygiene: Threshold is the Sulcus Bleeding Index (SBI) of 70%.
- •10. Within the first four years there should not be the need of comprehensive treatments beside the study teeth.
- •11. The patient should be able to attend probably the recall appointments.
排除标准
- •1. Patients exhibiting signs of TMDs (temporo mandibular disorders) including pathological signs in static and dynamic occlusion.
- •2. Teeth with pathological signs (sensitivity, periodontal status).
- •3. Insufficient oral hygiene.
- •4. Adverse general health conditions.
- •5. Pregnancy and breast-feeding patients
- •6. Bruxism is no contra-indication.
- •8. Consent inability.
研究者
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