粵典 (words.hk)香港詞反饋挖走#牙根 再填返，去醫#蛀牙 或爛牙 (to get or perform root canal treatment)動詞用例隻牙蛀爛咗，要杜牙根。zek3 ngaa4 zyu3 laan6 zo2, jiu3 dou6 ngaa4 gan1.I have a cavity and need a root canal.
粵典 (words.hk)香港詞反饋挖走#牙根 再填返，去醫#蛀牙 或爛牙 (to get or perform root canal treatment)動詞用例隻牙蛀爛咗，要杜牙根。zek3 ngaa4 zyu3 laan6 zo2, jiu3 dou6 ngaa4 gan1.I have a cavity and need a root canal.