有關牙根斷裂後的組織反應,何者預後最差?
A以鈣化組織癒合(healing with calcified tissue )
B以結締組織癒合(healing with interposition of connective tissue )
C以骨及結締組織癒合(healing with interposition of bone and connective tissue )
D以肉芽組織癒合(healing with interposition of granulation tissue )正確答案
答案與詳解
