成人牙周病正畸治疗效果分析
Medical Journal of National Defending Forces in North China（2010）
Abstract
<正>牙周病是导致成人牙齿缺失的主要原因之一。由于牙周支持组织破坏,常导致牙齿松动及前牙唇向散开移位,出现牙间隙、颌创伤,不仅使咀嚼功能减退,而且由于牙齿脱落影响容貌。以往除了牙周基础治疗,局部或全身
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