目的观察Locator附着体固位的种植覆盖义齿的临床效果。方法对22例采用Locator附着体固位的种植覆盖义齿患者进行随访3年,并对患者的主观感受、临床检查及X线检查结果进行统计分析。结果在3年随访期内,所有种植体无松动,平均骨吸收为0.4±0.5mm,患者满意度高。结论 Locator附着体固位的种植覆盖义齿是牙列缺失患者可靠的修复方式。 Objective To observe the clinical effect of implant overdenture with Locator attachment. Methods Twenty-two cases of implant-supported dentures with Locator attachment retention were followed up for 3 years. The subjective perception, clinical examination and X-ray findings of the patients were statistically analyzed. Results All the implants did not loosen during the 3-year follow-up period. The mean bone resorption was 0.4 ± 0.5 mm and the patient satisfaction was high. Conclusion Locator attachment retention overdenture is a reliable method of repairing dentition defects.