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团 体 标 准 ICS 11.061.01 C05 乳牙金属预成冠修复临床操作规范 Standard of clinical application for stainless steel crown in deciduous teeth restoration 2019 - 12 - 31发布 2020 - 01 - 31实施 中华口腔医学会 发布 T/CHSA 006—2019 目 次 前言 ................................ ................................ ................ I I 引言 ................................ ................................ ............... I II 1 范围 ................................ ................................ ............... 1 2 术语及定义 ................................ ................................ ......... 1 3 操作使用所需器材 ................................ ................................ ... 2 3.1 牙冠选择器材 ................................ ................................ ... 2 3.2 牙体预备药品及器材 ................................ ............................. 2 3.3 牙冠修整器械 ................................ ................................ ... 2 3.4 牙冠粘接材料 ................................ ................................ ... 2 4 术前准备 ................................ ................................ ........... 2 5 金属预成冠临床操作 ................................ ................................ . 2 5.1 初选预成冠 ................................ ................................ ..... 2 5.2 牙体预备 ................................ ................................ ....... 2 5.2.1 预备前准备 ................................ ................................ . 2 5.2.2 局部麻醉，术区隔离 ................................ ......................... 3 5.2.3 面预备 ................................ ................................ ... 3 5.2.4 邻面预备 ................................ ................................ ... 3 5.2.5 颊舌（腭）面预备 ................................ ........................... 3 5.2.6 牙体面线角成形 ...................
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