DRKS00025605进行中（未招募）未知
Prospective randomised clinical trial on the fabrication of silicate ceramic crowns with two different impression systems, digital and conventional. - Sil-Ivo-dent Kronen
ehr-, und Forschungsgebiet Computergestützte Zahnmedizin Klinik für Zahnärztliche Prothetik und Biomaterialien des Universitätsklinikums Aachen0 个研究点目标入组 2 人开始时间: 2021年6月21日最近更新:
适应症
试验速览
- 阶段
- 未知
- 状态
- 进行中（未招募）
- 发起方
- 入组人数
- 2
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
- Non-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
- •Signed informed consent form
- •- Patients of legal age who are mentally and physically able to understand the meaning and understand the significance and scope of the study and are able to comply with the study staff.
- •- Good health status according to the ASA Physical Status Classification one or two (ASA 2019).
- •-Indication for a single-tooth crown reconstruction in the posterior region (premolar or molar).
- •-Edentulous opposing jaw or fixed antagonistic restoration
- •-Good oral hygiene: parameters measured: API and SBI
- •API=Approximal Space Plaque Index, The sum of the soiled areas is measured in relation to the examined areas. Up to 40% means good oral hygiene
- •PSI=Periodontal Screening Index: The dentition is divided into 6 areas, the pocket depths (SST sulcus probing depths) are measured at 4-6 sites per tooth. The results are divided into codes, whereby the highest value (= deepest pocket) is the determining factor.
- •Patients with codes 0, 1 and 2 are included in the study. This means that they have pocket depths up to 3.5 mm and occasionally BOP (bleeding on probing). Bleeding sites can be induced by probing the gingival margin with a periodontal probe (BOP).
- •-Therapeutic periodontitis patients
- •-No need for treatment in the antagonist area and adjacent tooth area.
排除标准
- •- Psychological misdirection
- •- Drug abuse
- •- Known pregnancy and breastfeeding women.
- •- Expected lack of compliance
- •- Patients incapable of giving informed consent
- •- Persons who are institutionalised by court order or by order of the authorities.
- •- Persons who are in a dependency or employment relationship with the sponsor or the investigator.
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