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对于全口义齿修复的棘手问题之一,是牙槽骨改变或丧失,覆盖义齿是保存牙槽骨的治疗形式。牙槽骨维持了牙根的舒适和功能方式,从而保持了对咀嚼系统本体感觉的连续性。临床上已观察到覆盖义齿的基牙的骨改变。作者用X线照相法定期记录并测量了覆盖义齿基牙周围骨的垂直改变。材料和方法:选择20例患者,男9人,女11人,28～69岁,除4例有一个前磨牙和一个尖牙,1例有一个侧切牙和尖牙外其余均为下颌尖牙,选作支持下颌全口义齿的基牙。对基牙进行牙髓和牙周治疗,使达最佳龈健康程度和2mm以下的牙周袋。
One of the thorny problems of complete denture repair is the alveolar bone change or loss. Overdenture is the treatment of preserving alveolar bone. Alveolar bone maintains the root of the comfortable and functional manner, thus maintaining the continuity of the feeling of the body of the chewing system. Clinically, there have been observed bone changes in the abutments of overdentures. The authors regularly recorded and measured the vertical changes in the bone around the abutment tooth of the overdenture using radiography. MATERIALS AND METHODS: Twenty patients were selected, 9 males and 11 females, aged 28-69 years. Except for 4 cases, there was one premolar and one canine. One case had lateral incisors and canines, , Was chosen as support abutment full denture abutments. Dental pulp and periodontal treatment of the abutment to achieve the best gum health and periodontal pocket below 2mm.