CTRI/2018/06/014449尚未招募不适用
Assessment of jaw bone density at implant sites- A radiographic and histomorphometric comparative study.
Dr Veerakumari Merneedi1 个研究点 分布在 1 个国家目标入组 20 人开始时间: 2018年6月14日最近更新:
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 发起方
- 入组人数
- 20
- 试验地点
- 1
- 主要终点
- 1.To evaluate the bone density of dental implant sites using CBCT
研究概览
简要总结
| A Study was conducted at Vishnu dental college to assess and compare jaw bone density at implant sites by using CBCT and bone histomorphometry. Dental implant is a surgical component that interfaces with the bone of jaw to support a dental prosthesis or act as orthodontic anchor. Bone density in the recipient implant site seems to be an important factor for long term success of implant. A density scale helps clinicians to avoid placement of implants into the very poorest qualities of bone, where failure is more likely to occur. |
| Bone density is the amount of bone mineral in bone tissue. It can be evaluated by Hounsfield units (HU) through CBCT imaging which are directly related to tissue attenuation coefficients which are range of optimal bone densities associated with acquired primary implant stability Nevertheless, the success of an implant placement primarily depends on quality of bone3 for which CBCT imaging may not be accurate method because of its discrepancy in the attenuation coefficients. |
| Qualitative analysis of bone architecture is primarily achieved using bone histomorphometry which provides valuable information on the amount of bone and its cellular activity which is considered as a gold standard procedure. It is the only method for the direct in situ analysis of bone cells and their activities. |
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 20.00 Year(s) 至 50.00 Year(s)（—）
- 性别
- All
入选标准
- •Subjects between the age group of 20-50 years who will be advised cone beam computed tomography for implant placements.
- •Patients with no diseases affecting bone density and either fully or partially edentulous.
排除标准
- •TECHNICAL FACTORS: Image distortion due to either patient movement during exposure or improper position of patient for exposure.
- •PATIENT FACTORS: Patients with presence of pathology and fractures Patients with congenital abnormalities.
- •Patients below 20 years and above 50 years of age Patients with pregnancy.
结局指标
主要结局
1.To evaluate the bone density of dental implant sites using CBCT
时间窗: 6 months post extraction
2.To evaluate the bone quality of dental implant sites using histomorphometric tissue specimens.
时间窗: 6 months post extraction
次要结局
- 3.To determine the correlation between CBCT caliberated grey values in terms of Hounsfeild units with Histomorphometric analysis.(6 months post extraction)
研究者
研究点 (1)
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