Statement of problem

Bilateral balanced occlusion has been advocated over nonbalanced occlusion for improved removable complete denture stability and function. However, assessments of quality of life and patient satisfaction studies between the 2 occlusion schemes are lacking.

Purpose

The objective of this parallel randomized control trial was to determine the difference in quality of life and patient satisfaction between the nonbalanced and bilaterally balanced occlusal schemes.

Material and methods

Sixty participants were included in the parallel randomized control trial of nonbalanced and bilaterally balanced complete dentures. Thirty were recruited into each group with definitive inclusion and exclusion criteria as per the Consolidated Standards of Reporting Trials (CONSORT) guidelines. Quality of life was estimated from the oral health quality of life (Oral Health Impact profile) for edentulous patients questionnaire, and patient satisfaction was analyzed from a visual analog scale. The estimation was made at 0, 3, and 6 months after denture insertion. The data were statistically analyzed with the Friedman, Mann-Whitney, and t test (α=.05).

Results

The mean ±standard deviation Oral Health Impact profile score was 60.81 ±8.87 for nonbalanced dentures and 64.12 ±8.98 for bilaterally balanced dentures. The mean ±standard deviation visual analog scale score was 2.84 ±0.28 for nonbalanced dentures and 2.90 ±0.31 for bilaterally balanced dentures. The Mann-Whitney and t test indicated nonsignificant differences between the 2 groups and at different time intervals for Oral Health Impact profile and visual analog scale scores (P>.05).

Conclusions

The study detected no significant differences between the 2 occlusal schemes in quality of life or patient satisfaction.

中文翻译：

---

全口义齿咬合方案在生活质量和患者满意度方面的差异：平行随机对照试验

问题陈述

双侧平衡咬合优于非平衡咬合，以改善可摘全口义齿的稳定性和功能。然而，缺乏对两种封堵方案之间的生活质量和患者满意度研究的评估。

目的

这项平行随机对照试验的目的是确定非平衡和双侧平衡咬合方案在生活质量和患者满意度方面的差异。

材料与方法

60 名参与者被纳入非平衡和双侧平衡全口义齿的平行随机对照试验。根据报告试验综合标准 (CONSORT) 指南，每组招募 30 人，并具有明确的纳入和排除标准。根据无牙颌患者的口腔健康生活质量问卷（口腔健康影响概况）评估生活质量，并通过视觉模拟量表分析患者满意度。估计是在义齿植入后 0、3 和 6 个月时进行的。使用 Friedman、Mann-Whitney 和t检验 (α=.05) 对数据进行统计分析。

结果

非平衡义齿的平均±标准差口腔健康影响概况评分为 60.81 ±8.87，双侧平衡义齿为 64.12 ±8.98。非平衡义齿的平均±标准差视觉模拟评分为 2.84 ±0.28，双侧平衡义齿为 2.90 ±0.31。Mann-Whitney 和t检验表明两组之间在口腔健康影响概况和视觉模拟量表评分的不同时间间隔之间无显着差异（P >.05）。

结论

该研究未发现两种咬合方案在生活质量或患者满意度方面存在显着差异。