牙体缺损修复Р铸造金属全冠?部分冠?嵌体?烤瓷冠?桩核РР部 分 冠РР北京大学口腔医学院РРPartial veneer crownРРР部分冠Р定义? 分类? 优点? 缺点? 适应证? 禁忌症? 固位特点-邻面轴沟? 牙体预备РPartial veneer crownРР部 分 冠?Partial veneer crown?(partial-coverage restoration)РР部分冠是覆盖于部分牙冠表面的固定修复体??An extracoronal metal restoration that covers only part of the clinical crownР定 义РРpartial-coverage restoration??A restoration that covers only part of the clinical crownР全冠Рfull crown??A restoration that covers allthecoronal tooth surfaces (mesial,distal,facial,lingual and occlusal)Р部分冠РР部?分冠РР为什么要设计部分冠？РР铸造金属全冠Р与天然牙色不一致РР美学Р满足患者的美观要求Р修复材料的更新Р技术的改进
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