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KMID : 1004520110270040437
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Journal of Dental Rehabilitation and Applied Science
2011 Volume.27 No. 4 p.437 ~ p.447
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Distal-Extension Removable Partial Denture with Anterior Implant Prostheses: Case Report
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Na Hyun-Joon
Kang Dong-Wan
Son Mee-Kyung
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Abstract
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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.
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KEYWORD
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intermaxillary space, residual alveolar bone height, implant supported RPD
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