Esthetic Outcomes of Implant-supported Crowns After Alveolar Ridge Preservation With Beta Tricalcium Phosphate and Collagen in the Maxillary Esthetic Zone
试验速览
- 阶段
- 4 期
- 状态
- 已完成
- 入组人数
- 50
- 试验地点
- 1
- 主要终点
- implant stability analysis at the time of implant placement
研究概览
简要总结
The purpose of this study is to evaluate esthetic outcome of implant supported single crowns after alveolar ridge preservation with beta three calcium phosphate with collagen type I in aesthetic region in upper jaw.
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
- None
入排标准
- 年龄范围
- 18 Years 至 35 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •healthy patients according to Classification of American Society of Anesthesiologists (ASA I)
- •presence of 4 socket walls
- •non-smokers
- •good oral hygiene
- •good occlusion
排除标准
- •patients with alveolar ridge height less than 12 mm
- •presence of acute or chronic oro-facial pain
- •acute periapical infection
- •injured soft tissue
- •patients who had dental interventions in last 7 days
- •patients who had any medications within last 24 hours
- •patients with bruxism and para-functions
- •patients with allergies to any of applied materials
研究组 & 干预措施
alveolar ridge preservation - 2 months
preservation of alveolar ridge with beta tricalcium phosphate + collagen - 2 months
干预措施: preservation of alveolar ridge with beta tricalcium phosphate + collagen - 2 months (Drug)
no-preservation of alveolar ridge - 2 months
no-preservation of alveolar ridge - 2 months
干预措施: no-preservation of alveolar ridge - 2 months (Drug)
preservation of alveolar ridge - 4 months
preservation of alveolar ridge with beta tricalcium phosphate + collagen - 4 months
干预措施: preservation of alveolar ridge with beta tricalcium phosphate + collagen - 4 months (Drug)
no-preservation of alveolar ridge - 4 months
no-preservation of alveolar ridge - 4 months
干预措施: no-preservation of alveolar ridge - 4 months (Drug)
preservation of alveolar ridge - 9 months
preservation of alveolar ridge with beta tricalcium phosphate + collagen - 9 months
干预措施: preservation of alveolar ridge with beta tricalcium phosphate + collagen - 9 months (Procedure)
no-preservation of alveolar ridge - 9 months
no-preservation of alveolar ridge - 9 months
干预措施: no-preservation of alveolar ridge - 9 months (Drug)
结局指标
主要结局
implant stability analysis at the time of implant placement
时间窗: baseline
Implant stability will be measured by the resonance frequency analysis
implant stability analysis 3 weeks after implant placement
时间窗: baseline, 3 weeks
Implant stability will be measured by the resonance frequency analysis
implant stability analysis 6 weeks after implant placement
时间窗: baseline, 6 weeks
Implant stability will be measured by the resonance frequency analysis
implant stability analysis 8 weeks after implant placement
时间窗: baseline, 8 weeks
Implant stability will be measured by the resonance frequency analysis
change in pink and white esthetic score 2 months of loading
时间窗: 2 months
Pink esthetic scale and white esthetic scale will be used for evaluation of changes in white and pink esthetic parameters for implant-supported crowns
change in pink and white esthetic score 6 months of loading
时间窗: 6 months
Pink esthetic scale and white esthetic scale will be used for evaluation of changes in white and pink esthetic parameters for implant-supported crowns
change in pink and white esthetic score 12 months of loading
时间窗: 12 months
Pink esthetic scale and white esthetic scale will be used for evaluation of changes in white and pink esthetic parameters for implant-supported crowns
次要结局
- analysis of new bone formation 2 months after preservation of alveolar ridge(2 months)
- analysis of new bone formation 4 months after preservation of alveolar ridge(4 months)
- analysis of new bone formation 9 months after preservation of alveolar ridge(9 months)
研究者
Bozidar Brkovic, DDS, MSc, PhD, Professor
DDS PhD Professor
University of Belgrade