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由于下颌骨牙槽嵴面积较小、附着肌较多、活动性大及受唾液和舌的影响,下颌牙列缺损伴严重牙槽骨吸收患者应用传统全口义齿修复效果较差,常常需要借助其他装置来改善义齿的固位和稳定。种植覆盖义齿不但可增加义齿的固位稳定,还可获得依靠种植体和黏膜的混合支持方式,从而减缓牙槽嵴的吸收,其临床应用越来越广泛。本文从OVID和PUBMED数据库检索相关文献,与前一时段相比较并分析,对下颌种植覆盖义齿研究动态做一综述。
Due to the smaller mandibular alveolar ridge area, more attached muscles, activity and affected by the saliva and the tongue, mandibular dentition defect with severe alveolar bone resorption in patients with traditional full denture repair ineffective, often need help Other devices to improve denture retention and stability. Implant denture can not only increase the stability of denture retention, but also rely on the implant and mucosal mixed support, thereby reducing the absorption of alveolar ridge, the clinical application of more and more widely. This article retrieves the relevant literature from the OVID and PUBMED database, compared with the previous period and analyzed the research progress of mandibular implant overdentures.