TCTR20171010005已完成2 期
Alveolar Ridge Augmentation Using Porous Polyethylene Membrane and Composite Allograft for Staged Implant Placement: A Prospective Clinical, Radiologic, Histomorphometric and Volumetric Study
Khon Kaen University, Faculty of Dentistry0 个研究点目标入组 15 人开始时间: 2017年10月10日最近更新:
适应症
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 发起方
- 入组人数
- 15
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 年龄范围
- 20 Years 至 67 Years（—）
- 性别
- All
入选标准
- •Generally healthy adult patients (ASA â… , â…¡) ranging 20-65 years old;
- •Good oral hygiene and periodontal conditions (full-mouth plaque and bleeding score ≤ 25%);
- •Single-tooth vertical or combined alveolar defect in posterior mandible;
- •Alveolar bone defects ranging 2-6 mm below buccal cemento-enamel junction (CEJ) connection line of two adjacent teeth.
- •Narrow flat edentulous ridge leads to larger crown-implant ratio, unsatisfactory esthetics, unpredictable implant integration and long-term prognosis than normal ridge;
- •Available bone height smaller than implant length selected;
排除标准
- •Severe systemic disorders that contraindicate oral surgeries;
- •History of head and neck malignancy and related chemoradiotherapy;
- •Long-term use of steroid or immunological therapy (≥ 6 months);
- •Severe osteoporosis (≥ 2 fragility fractures);
- •Oral / intravenous bisphosphonate therapy ≥ 5 years;
- •Pregnancy and lactation for female patients;
- •Interocclusal restoration height available < 4.0 mm at edentulous area;
- •Severe tempromandibular joint (TMJ) disorders and parafunctions;
- •Bone augmentation procedure at the same site within the past one year;
- •Additional soft tissue augmentation procedures at the same site within the past six months;
- •Active, acute mucosal, periodontal and skeletal lesions;
- •Heavy drinkers (≥ 1 drink / day for women or 2 drinks / day for men);
- •Heavy smokers (≥ 10 cigarettes / day).
研究者
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