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目的研究不同咬重建疗法应用于牙列重度磨耗伴缺损的临床效果。方法选取2013年3月至2015年3月在该院就诊的牙列重度磨耗伴缺损患者82例,依据咬重建方式的不同将其分为对照组和研究组,各41例。对照组采取垫式可摘局部义齿修复,研究组则采用固定义齿修复,以咀嚼效率、患者主观感受及效果等为标准对两组修复效果予以评析。结果两组在修复1个月、1年后的咀嚼效率均较修复前获得明显改善,且研究组在修复1个月、1年后的改善程度均显著优于对照组,差异均有统计学意义(P<0.05);研究组舒适、美观满意及咀嚼有力情况显著优于对照组,基牙继发龋、食物嵌塞发生率显著低于对照组,差异均有统计学意义(P<0.05)。结论应用固定义齿对牙列重度磨耗伴缺损进行咬重建可显著改善牙齿咀嚼效能,恢复牙列完整,且不易发生基牙继发龋,舒适、美观,建议临床加以重视并推广应用。
Objective To study the clinical effect of different bite reconstruction therapy applied to severe wear of dentition with defect. Methods From March 2013 to March 2015, 82 patients with severe dental abrasions and defects in our hospital were selected and divided into control group and study group, 41 cases in each group according to different bite reconstruction methods. The control group was treated with pad removable partial denture, while the study group was treated with fixed denture. Chewing efficiency, subjective feelings and effects of patients were taken as the standard to evaluate the repair effect of the two groups. Results The chewing efficiency of the two groups after one month and one year after repair was significantly improved compared with that before the repair, and the improvement rate of the study group after one month and one year after repair was significantly better than that of the control group with statistical differences (P <0.05). The comfort, aesthetics and chewing power of the study group were significantly better than those of the control group. The incidence of secondary caries and impaction of food in the study group was significantly lower than that in the control group (P <0.05) ). Conclusions The application of fixed denture to the reconstruction of the dentition with severe abrasion and defect can significantly improve the masticatory efficiency and restore complete dentition. It is not prone to secondary caries, comfort and aesthetics of abutments. It is suggested that clinical application should be emphasized and promoted.