带翼桩钉在前牙桩冠修复中的应用兰州军区第二门诊部李燕春临床桩冠修复中应用的成品桩钉，由于其外形均为圆柱形结构、近远中径窄、唇舌径过原，故存在着固位力较差，易透色，尤其抗扭力作用弱等缺点．笔者在原成品桩钉的基础上，试改进成带翼桩钉，在较大程度上弥补了以... Application of flanged pile in the restoration of anterior teeth post crown The second out-patient department of Lanzhou Military Region Li Yanchun finished pile post clinically used in the repair of post, due to its cylindrical shape, near and far narrow diameter, , So there is a poor retention, easy to color, especially the weakness of the role of torsion resistance and other shortcomings. The author on the basis of the original finished pile pegs, try to improve into a wing pile pegs, to a large extent make up ...