NCT05899712已完成不适用
Digital Versus Conventional Altered Cast Techniques For Constructing Mandibular Distal Extension Removable Partial Dentures Using Digitally Fabricated Frameworks: A Clinical Comparative Parallel Study of Alveolar Bone Height Changes
适应症
干预措施
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 22
- 试验地点
- 1
- 主要终点
- Alveolar Bone Height Changes
研究概览
简要总结
This clinical study compares between digital and conventional altered cast techniques using digitally constructed frameworks in removable partial dentures' construction regarding their effect on bone height changes around abutment teeth and in residual ridge.
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
- Triple (Participant, Care Provider, Outcomes Assessor)
入排标准
- 年龄范围
- 50 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •All patients having completely edentulous maxilla and class I Kennedy mandible.
- •Sufficient (not less than 15 mm) restorative space must be available (from the mucosa covering the crest of the residual ridge to proposed occlusal plane). This will be detected by a tentative jaw relation.
- •All patients are of angel's class I maxillo-mandibular relationships
- •Abutment teeth must meet certain requirements :
- •A. Abutment teeth should be healthy with good periodontal and bone support. B. should not show advanced destructions. C. should not show a pronounced degree of mobility or advanced gingival recession.
- •D. Crown Root Ratio for an abutment is 1:2
排除标准
- •Sever undercuts or concavities on the buccal or lingual sides of the ridge.
- •Systemic diseases that may affect bone changes such as diabetes and osteoporosis.
- •History of radiotherapy in the head and neck region.
- •Crown Root Ratio for an abutment is 1:1.
研究组 & 干预措施
Group A
Active Comparator
Digitally obtained altered cast for construction of mandibular free end saddle removable partial denture
干预措施: Removable Partial Denture Construction (Other)
Group B
Active Comparator
Conventionally obtained altered cast for construction of mandibular free end saddle removable partial denture
干预措施: Removable Partial Denture Construction (Other)
结局指标
主要结局
Alveolar Bone Height Changes
时间窗: one year
Alveolar bone height changes of abutment teeth and residual ridge.
次要结局
未报告次要终点
研究者
研究点 (1)
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