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磨牙牙折是口腔内科的常见疾病，也是导致牙齿缺失的重要原因之一。现将临床收治的74例磨牙牙折原因分析报道如下。l按是否有正常的牙髓活力分为：①发生牙折的磨牙具有活髓的2例．占2．7％。②发生牙折的磨牙是死髓的72例、占总数的97．3％。2对牙折的死髓牙按洞型分为：①粮
Teeth molar is a common disease in oral medicine, but also one of the important causes of tooth loss. Now clinical analysis of 74 cases of molar teeth fracture analysis as follows. l according to whether there is normal dental pulp vitality is divided into: ① occurrence of tooth molars with live pulp in 2 cases. Accounting for 2.7%. Occurred tooth teeth is dead pulp 72 cases, accounting for 97.3% of the total. 2 teeth on the dead marrow by hole is divided into: ① food