根管
词根（语言学）
曲率
数学
解剖
牙根
牙科
口腔正畸科
几何学
生物
医学
哲学
语言学
标识
DOI：10.1016/0030-4220(71)90230-1
摘要
Extracted human single-rooted permanent teeth were classified according to degree of root curvature. Following hand instrumentation of the root canals, an examination of cross sections revealed that straight canals were much more readily prepared round than were curved canals.
科研通智能强力驱动
Strongly Powered by AbleSci AI
tianzml0
oceanao
苏卿
含蓄的明雪
不配.
吃不饱星球球长
嗯哼
Singularity
薰硝壤
彭于彦祖
哎嘿
pcr163
甜甜玫瑰
暮霭沉沉
互助遵法尚德
不安青牛
从容芮
iNk
Henry
遥远的尧
皖公网安备34019202002308
