Patient Satisfaction with Occlusal Scheme ofConventional Complete Dentures: A Randomized Clinical Trial (Part I)

Abstract

Bachground

Occlusal scheme can affect denture retention, stability, occlusal force distribution, esthetics, masticatory function, patient comfort, and general patient satisfaction with dentures.

Objectives

This study aimed to compare the patient satisfaction with three types of complete denture occlusion including fully bilateral balanced occlusion (FBBO), newly presented buccalized occlusion (BO), and lingualized occlusion (LO).

Methods

In this parallel randomized clinical trial, new conventional complete dentures (CCDs) were fabricated for 86volunteers. Participants were randomly allocated to three groups with three different occlusal schemes. All patients were recalled at one and thre emonths after delivery for data collection. The 19-item version of Oral Health Impact Profile for Edentulous Patients (OHIP-EDENT) questionnaire was used in this study.The visual analogue scale (VAS) was used for assessment of the prosthodontist's attitude towards denture quality, patient's attitude towards different occlusal schemes and evaluation of patient satisfaction. Data were analyzed using the Wilcoxon Signed Rank test, the Kruskal Wallis test and the post-hoc Dunn test via SPSS version 18.0 (P≤0.05).

Results

Eighty-sixpatients completed the study and their data were analyzed (mean age ± standard deviation=57.78 ± 9.98 years). The only significant difference when comparing the three groups was physical pain, which was significantly higher in FBBO group. No significant differences were found for the VAS scores of patient and prosthodontist satisfaction or the domain scores among the three occlusal schemes either at one or at three months post-delivery. The VAS score of patient satisfaction and prosthodontist satisfaction increased at three months compared to one month after delivery.

Conclusion

The results of this randomized clinical trial provided evidence that BO is as effective as LO for the fabrication of complete dentures.

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