end-filling英'endf'ɪlɪŋ美'endf'ɪlɪŋBNC¹⁷³⁹⁹⁵⁺² 基本例句 末端补平¹⁰⁰ Objective To examine microleakage of mineral Irioxide aggregate MTA as root-end-filling material with and without the use of dentin bonding agents. 目的观察在使用 MTA进行根尖倒封闭术时，牙本质粘结剂对其密闭抗微渗漏的影响。 cnki