将中隔牙龈推向近中颊侧牙槽窝(图四:箭头),修复退缩牙龈,而且暴露下面中隔(S),接着在它上面导板钻洞,避免软组织创伤。
植体与窦底垂直 Last Next
Xin Wei, DDS, PhD, MS 1st edition 06/17/2021, last revision 06/17/2021