Effect of Preparation Design on the Functional and Esthetic Outcome of CAD/CAM Lithium Disilicate Laminate Veneers (Split Mouth Randomized Clinical Trial)
试验速览
- 阶段
- 不适用
- 入组人数
- 10
- 试验地点
- 1
- 主要终点
- marginal gap distance
研究概览
简要总结
Conservatism is considered the main concern in any treatment plan, the feather edge preparation design of laminate veneers have been introduced yet clinical studies are lacking to evaluate their clinical performance.The aim of this study is to evaluate the effect of the two different preparation designs on the functional and esthetic outcome of laminate veneers in terms of marginal adaptation, retention, fracture, marginal discoloration and patient satisfaction
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Double (Participant, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •From 18-60 years old, and able to read and sign the informed consent document.
- •Patients with teeth problems indicated for laminate veneers.
- •Physically and psychologically able to tolerate conventional restorative procedures.
- •Have no active periodontal or pulpal diseases.
- •Maintenance of good oral hygiene .
- •Willing to return for follow-up examinations and evaluation.
排除标准
- •Patients in the growth stage with partially erupted teeth.
- •Patients with para-functional habits.
- •Cases that need modification in the incisal edge.
- •Patients with poor oral hygiene and motivation .
- •Psychiatric problems or unrealistic expectations.
研究组 & 干预措施
Conventional preparation design (Chamfer finish line with Butt joint incisal preparation design)
conventional treatment
干预措施: Laminate veneers preparation (Procedure)
New preparation design (Feather edge finish line with feather edge incisal preparation design)
New preparation design
干预措施: Laminate veneers preparation (Procedure)
结局指标
主要结局
marginal gap distance
时间窗: at time of laminate cementation
the gap between the laminate and the prepared tooth is measured before cementation using silicon replica and digital microscope
次要结局
未报告次要终点
研究者
Baher Ahmed Moustafa Ali
Assosiate lecturer of Fixed Prosthodontics
Cairo University