J Korean Acad Prosthodont.  2010 Jul;48(3):189-193. 10.4047/jkap.2010.48.3.189.

A clincal study of Kennedy classification and framework design of removable partial denture in Kyungpook National University hospital

Affiliations
  • 1Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Korea. sacho@hanmail.net

Abstract

PURPOSE
This study was aimed to investigate the frequency of different classes of partial edentulism and the most frequently used design components of conventional removable partial dentures.
MATERIALS AND METHODS
63 patients who were treated with removable partial denture in Kyungpook National University hospital for 2003 - 2006 were selected. A total of 76 removable partial denture frameworks were investigated. Kennedy classification was used to identify the class of partial edentulism.
RESULTS
Results indicated that Kennedy class I removable partial dentures were the most frequently constructed. Most patients'cases were designed without modification areas.
CONCLUSION
The most common type of direct retainer were the RPI clasp and RPA clasp in both maxilla and mandible. Lingual bar, linguoplate and anterior posterior palatal straps were the more frequently used mandibular and maxillary major connectors respectively. We did not have any case about Kennedy class IV patients.

Keyword

Framework design; Kennedy classification; Modification area; RPI
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