问题
选择题
I am sorry, but you are on the _______. [ ]
A. diffrent line
B. wrong line
C. right line
D. left line
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I am sorry, but you are on the _______. [ ]
A. diffrent line
B. wrong line
C. right line
D. left line
答案：B
牙体未见异常，牙龈红肿，有真性牙周袋形成．冷热刺激痛，X线显示：牙槽骨吸收1／3。诊断：牙周牙髓联合病变。牙周炎引起牙髓炎的途径最可能是（）