关键词: 磁性附着体, 冠外附着体, 联合应用, 牙列缺损, 义齿

Abstract:

Objective To explore the clinical effect of combined application of magnetic attachments and extracoronal attachments in prosthodontics. Methods Twenty-two cases of dentition defect with isolated residual root or residual crown were selected. All the cases accepted the restorative treatment combined magnetic attachments with extracoronal attachments. The clinical effect of dentures and the condition of abutment teeth were evaluated by chief complaint of patients and clinical examination. The follow-up time ranged from 2 years to 4 years. Results Satisfactory functional, stable and esthetic results of dentures were achieved for all the cases. And there was no abutment loosening and no secondary caries. Alveolar bone loss around abutment occurred in 1 case, gingivitis of abutments appeared in 5 cases. Chewing pain occurred in 1 case and unstable state of dentures appeared in 5 cases after the use of denture for 2 years. The dentures of above -mentioned cases were used normally after symptomatic treatment. Conclusion The combined application of magnetic attachments and extracoronal attachments in prosthodontics is an effective treatment option for cases of dentition defect with isolated residual root or residual crown.

Key words: magnetic attachment, extracoronal attachment, combined application, dentition defect, denture