After removal the pontic of a cantilever FPD (Fig.1), a residual root is found at #6 with the buccal concavity (Fig.2 *). 4-6悬臂桥，6-7间隙，对于病人是美观问题。

Impacted Canine 修复  Next

Xin Wei, DDS, PhD, MS 1st edition 01/12/2018, last revision 06/16/2021