Prefabricated Endodontic Posts: Glass Fiber Versus Titanium - A Randomized Controlled Pilot- Trial
试验速览
- 阶段
- 4 期
- 状态
- 已完成
- 入组人数
- 91
- 试验地点
- 2
- 主要终点
- loss of restoration for any reason
研究概览
简要总结
A randomized parallel-group clinical pilot study was designed to evaluate the impact of glass fiber reinforced composite posts compared to prefabricated titanium posts on long term survival of adhesively restored endodontically treated abutment teeth.
详细描述
Compared to vital teeth the complication rate of restorations fixed on endodontically treated abutment teeth is higher. Endodontically treated teeth are more prone to fracture due to the higher amount of calcified tooth structure loss. To level the biological short coming the choice of the mechanically appropriate post material is still a major concern. There a two major approaches. One is to use a rigid material to stiffen the post-endodontic complex and the other is to use a material which shows dentin-like material properties to allow the post-endodontic complex to flex under load. It was aim of the presented randomised controlled trial to compare the survival rates of abutment teeth self-adhesively restored with either prefabricated glass-fiber reinforced composite posts or titanium posts.
The null-hypothesis was that there is no difference regarding survival rate between glass-fiber and titanium post restored endodontically treated abutment teeth with two or less remaining cavity walls.
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
- Single (Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •two or less cavity walls of the crown remaining,
- •residual root canal thickness at the orifice of more than 1 mm,
- •symptom free tooth with a root canal filling without radiologically visible periapical lesion,
- •minimum of radiologic root-to-alveolar bone ratio of 2 after prospective crown lengthening,
- •no or treated periodontitis with maximum probing depth of 4 mm and no bleeding on probing,
- •tooth mobility not more than score II,
- •willingness to return for follow-up examination for at least 5 years
排除标准
- •tooth was aimed to serve as telescopic crown abutment
结局指标
主要结局
loss of restoration for any reason
时间窗: 84 months after post placement
The patients were recalled at 3, 6, 12 month and thereafter in al yearly recall up to 84 month after post placement for clinical examination. The clinical examination was performed by one blinded dentist.
次要结局
- tooth loss, post debonding, post fracture, vertical or horizontal root fracture, endodontic or periradicular conditions requiring endodontic re-treatment, secondary caries and failure of core build-up and loss of restoration due to technical failures(84 month after post placement)
研究者
Guido Sterzenbach
Principal Investigator, Dr. med. dent., Assistant Professor
Charite University, Berlin, Germany