69 下列何種牙根覆蓋術，完全覆蓋牙根的可預測性最高？
(A) Coronally advanced falp
(B) Guided tissue regeneration
(C) Free connective tissue graft
(D)Epithelialized free soft tissue graft

答案：登入後查看
統計： A(4), B(9), C(5), D(3), E(0) #2737757