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目的探寻改良二次印模法获取全口义齿后堤区范围的可行性及有效性。方法选择2013年1月到2014年1月就诊于山西医科大学口腔修复科门诊的30例上颌牙列缺失患者,随机分成两组,分别采用改良二次印模法与常规二次印模法制作全口义齿。随访观察1个月,记录两组患者义齿脱位次数并计分,比较两组疗效。结果两组义齿脱位次数评分差异无统计学意义(t=0.817,P>0.05),其中改良二次印模法(2.87±0.34)分,常规二次印模法(2.73±0.57)分。结论与常规二次印模法制作的全口义齿相比,改良二次印模法制作的全口义齿能满足临床使用要求,并且操作简便快捷。
Objective To explore the feasibility and effectiveness of the improved secondary impression method to obtain the embankment area of complete denture. Methods From January 2013 to January 2014, 30 patients with maxillary dentition defect who visited the Department of Oral Rehabilitation, Shanxi Medical University were randomly divided into two groups, which were respectively made by modified secondary impression method and conventional secondary impression method Complete denture. Follow-up observation for 1 month, the number of patients with dentition dislocation recorded and scored, the two groups were compared. Results There was no significant difference in the number of dislocation between the two groups (t = 0.817, P> 0.05). Among them, the improved secondary impression method was 2.87 ± 0.34 and the conventional secondary impression method was 2.73 ± 0.57. Conclusion Compared with the complete denture made by the conventional secondary impression, the complete denture made by the improved secondary imprinting method can meet the clinical requirements and is easy and quick to operate.