1) Access cavity
开髓口
2) traditional coronal cavity preparation
传统开髓口
1.
METHODS:One humdred and five extracted maxillary first molars were divided into 3 groups for the detection of MB2:group of traditional coronal cavity preparation(group A),group of improved coronal cavity preparation(group B) and group of coronal cavity preparetion by using root canal microscope(group C).
方法:离体上颌第一磨牙共105个,分别肉眼下使用传统开髓口、改良开髓口,根管显微镜下探查寻找MB2,记录MB2发现率。
3) improved coronal cavity preparation
改良开髓口
1.
METHODS:One humdred and five extracted maxillary first molars were divided into 3 groups for the detection of MB2:group of traditional coronal cavity preparation(group A),group of improved coronal cavity preparation(group B) and group of coronal cavity preparetion by using root canal microscope(group C).
方法:离体上颌第一磨牙共105个,分别肉眼下使用传统开髓口、改良开髓口,根管显微镜下探查寻找MB2,记录MB2发现率。
4) Opening of Central canal of spinal cord
脊髓中央管开口
5) Odontotrypy
开髓
1.
The Observation of Retention on 70 Cases of Posterior Teeth With Single PFM after Odontotrypy
70例后牙烤瓷单冠开髓后固位效果观察
补充资料:开亮口
1.方言。谓天刚明时。
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