Effect of fixed dental prosthesis on the brain functions of partially edentulous patients - pilot study with power spectrum density analysis.

IF 0.9 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

European Oral Research Pub Date : 2020-09-01 DOI:10.26650/eor.20200032

Uddipta Prafulla Saikia, N Gopi Chander, Muthukumar Balasubramanian

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引用次数: 2

Abstract

Purpose: This study was done to analyse the influence of fixed dental prosthesis (FDP) on brain function by analysing power spectral density of partially edentulous patients.

Materials and methods: The study included unilateral missing mandibular molar replacement patients. The patients were restored with three-unit metal ceramic FDP restorations. The cognitive function was analysed with a mental state questionnaire. Power spectral density (PSD) analysis of EEG alpha waves was made pre- treatment, post treatment and 3 months after FDP treatment to analyse the brain function. The data in various phases were obtained before and after chewing. The results were statistically analysed.

Results: The mean pre and post treatment PSD was 0.0175 (SD ±0.0132) and 0.0178 (SD ±0.0135). The mean post treatment PSD after three months was 0.024 (SD± 0.019). The results were analysed with repeated ANOVA and were statistically significant. (p<0.01).

Conclusion: The study displayed improvement in brain function of partially edentulous patients with FDP rehabilitation.

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固定义齿对部分无牙患者脑功能的影响——功率谱密度分析的初步研究。

目的:通过分析部分无牙患者的功率谱密度，分析固定义齿对脑功能的影响。材料与方法:研究对象为单侧下颌磨牙缺失患者。采用三单元金属陶瓷FDP修复体修复患者。采用心理状态问卷分析认知功能。分别在治疗前、治疗后及FDP治疗后3个月对脑电α波进行功率谱密度(PSD)分析，分析脑功能。获得咀嚼前后各相数据。对结果进行统计学分析。结果:治疗前后平均PSD分别为0.0175 (SD±0.0132)和0.0178 (SD±0.0135)。治疗后3个月平均PSD为0.024 (SD±0.019)。结果采用重复方差分析，差异有统计学意义。结论:FDP治疗对部分无牙患者的脑功能有改善作用。

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