A 76-year-old man returns to clinic with chief complaint of loose top partial 2 years 3 months post #21 implant placement (Fig.1,2). 76岁男,左下4带球状基台植牙2年3个月,现在上颌局部托牙松动(图一)。准备在左上3,5植入同样植体。
Ball Abutments 劈开术 Last Next 植入 Xin Wei, DDS, PhD, MS 1st edition 06/15/2020, last revision 04/10/2021