残根

Results A two-year follow-up revealed there occurred butment caries,luxated butment,and overlain residual root gingivitis,even on the rise,while the alveolar ridge showed no uneven absorption.

结果基牙根龋、基牙松动、根牙龈炎的发生随时间呈递增趋势,而牙槽嵴则无不匀吸收。

Objective: To explore the prosthetic design and procedure of resid ual crown with complete root canal imperforation so as to solve the clinical pro blem of such cases.

探讨根管完全闭锁钙化、根的临床修复设计与方法,为修复临床对这病例提供解决方案。