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Volume 28 , Issue 2
March/April 2015

Pages 161-166

Does Case Severity Make a Difference to Clinical Improvement Following Complete Denture Treatment?

Yuko Kurushima, DDS/Ken-ichi Matsuda, DDS, PhD/Kaori Enoki, DDS, PhD/ Kazunori Ikebe, DDS, PhD/Yoshinobu Maeda, DDS, PhD

PMID: 25822302
DOI: 10.11607/ijp.4177

Purpose: The aim of this study was to investigate the effect of case severity on clinical outcomes when fabricating new complete dentures. Materials and Methods: Participants were separated into severe and moderate groups using the index of case difficulty for edentulous patients developed by the Japan Prosthodontic Society. Before and after treatment, self-assessed masticatory ability and oral health–related quality of life (OHRQoL) were examined, and the authors compared them according to case severity using the Mann-Whitney U test. To compare findings before and after treatment, the authors used the Wilcoxon signed rank test. Results: In the severe group, both scores were significantly improved after treatment (P < .01). However, in the moderate group, there was no significant difference in self-assessed masticatory ability as measured by the food acceptance score before and after treatment (P = .11). Before treatment, OHRQoL as measured by the Oral Health Impact Profile score was significantly higher in the severe group than in the moderate group (P < .01). However, after treatment, there was no significant difference between the two groups (P = .92). Conclusions: The authors concluded that case severity makes a difference in the edentulous patient’s OHRQoL and self-assessed masticatory ability during complete denture treatment. Evaluating case severity with the index before treatment is a useful tool for patients and clinicians to predict clinical outcomes.

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