冠内固位体 [
guān nèi gù wèi tǐ]
[口腔] intracoronal retainer
- 目的通过测定不同高度和内聚角度牙体模型上全冠的固位力,以探讨低矮后牙全冠获得理想固位的合适牙体高度与锥度。
Objective The retention of complete crown was measured with different height and taper to probe into the ideal preparation height and taper of low molar.