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本文讨论保留牙周病牙的有关生物学概念及对牙周病牙进行牙周治疗,活动修复,严密随访的治疗计划。作者认为创伤(牙合)是由(牙合)力所导致,分为原发性创伤(牙合)及继发性创伤(牙合)。原发性创伤(牙合)是异常(牙合)力或过大(牙合)力加于有正常牙周支持组织的牙上所引起的,结果牙周受损伤或细胞有改变。但这种改变应无上皮附着退缩或龈袋形成。当力消失或牙移动脱离了这种不正常的(牙合)力时或牙周膜已适应时,则创伤
This article discusses the biological concepts of retaining periodontal disease and periodontal treatment of periodontal disease, restoration of activity, and careful follow-up of treatment plans. The authors believe that trauma (occlusion) is caused by (occlusion) force, divided into primary trauma (occlusion) and secondary trauma (occlusion). Primary trauma (occlusion) is abnormal occlusion (force) or excessive (occlusal) force applied to the teeth with normal periodontal support caused by the teeth, resulting in periodontal injury or changes in cells. However, such changes should not have epithelial attachment or gingival pouch formation. When the force disappears or the tooth moves out of this abnormal (occlusal) force or when the periodontal ligament has been adapted, the trauma