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Distal-Extension Removable Partial Denture with Anterior Implant Prostheses: Case Report  

Na, Hyun-Joon (Department of Prosthodontics, School of Dentistry, Chosun University)
Kang, Dong-Wan (Department of Prosthodontics, School of Dentistry, Chosun University)
Son, Mee-Kyung (Department of Prosthodontics, School of Dentistry, Chosun University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.27, no.4, 2011 , pp. 437-447 More about this Journal
Abstract
In patients who used removable partial dentures for a long period of time, gradual alveolar bone resorption occurs in edentulous area. However, in residual teeth area, alveolar bone is maintained sound. This causes an imbalance in intermaxillary distance between a maxillae and a mandible which is intensified due to expansion in vertical and horizontal bone amount difference between the two area as time passes. As the result, this shows a substantial difference in vertical position according to the period of teeth loss even after residual teeth loss. As in this situation, a patient with bilaterally and anterio-posteriorly different intermaxillary distance, various prosthodontic problems can be caused in fixed implant prosthodontics and implant overdenture. This study shows a case in which implant-supported removable partial denture was fabricated considering residual alveolar bone height after teeth loss in a patient who had been using a distal extension removable partial denture for a long period of time. In anterior area with short intermaxillary distance, fixed prosthodontics were fabricated with implant placement and in posterior area with long intermaxillary distance, a removable partial denture was fabricated. Finally, a small number of implants were placed without additional surgery and economical and comfortable treatment results were shown.
Keywords
intermaxillary space; residual alveolar bone height; implant supported RPD;
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