Real time evaluation of awake bruxism behaviors in young asymptomatic students and its impact on the masticatory muscles

IF 4.3 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Prosthetic Dentistry Pub Date : 2024-11-01 DOI:10.1016/j.prosdent.2023.03.009

Dyanne Medina Flores DDS, MSc , Maria Isabel Barragán Nuñez DDS, MSc , Henrique Müller de Quevedo DDS, MSc, PhD , Leonardo Rigoldi Bonjardim DDS, MSc, PhD , Paulo César Rodrigues Conti DDS, PhD

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Abstract

Statement of problem

The relationship of awake bruxism with pain is still unclear.

Purpose

The purpose of this clinical study was to evaluate awake bruxism behavior for 1 week in healthy young adults with ecological momentary assessment, assess its relationship with masticatory muscle tenderness, and the participation of endogenous analgesia.

Material and methods

A total of 150 healthy participants were provided with a smartphone application that sent 10 alerts at random intervals every day. The participants were instructed to report in real time which of the following awake bruxism behaviors best represented their current condition: relaxed jaw muscles, tooth contact, tooth clenching, tooth grinding, or jaw bracing. At baseline, participants underwent recordings of the pressure pain threshold and conditioned pain modulation of the masticatory muscles. Pressure pain threshold recording was also repeated on the last day of the study. A t test was used to compare the first and the last pressure pain threshold recording after 1 week with an ecological momentary assessment evaluation. The Pearson correlation test was performed to evaluate the correlation between variables (α=.05).

Results

Overall compliance was 75.9%. The average frequency of relaxed jaw muscles was 54.5%, tooth contact 29.4%, jaw bracing 5.8%, tooth clenching 9.7%, and tooth grinding 0.6%. The average frequency of a distinct awake bruxism behavior was 45.5%. A statistically significant increase in pressure pain threshold values was found (P=.001; P=.001; P=.045 for right and left anterior temporalis and left masseter, respectively). No significant correlation was found between the frequency of awake bruxism behaviors, the pressure pain threshold, and conditioned pain modulation (P>.05).

Conclusions

The most prevalent behavior was tooth contact (29.4%). No relationship was found between awake bruxism behaviors and masticatory muscle tenderness or endogenous analgesia.

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实时评估无症状年轻学生的清醒磨牙行为及其对咀嚼肌的影响。

问题陈述：清醒时磨牙与疼痛的关系尚不清楚。目的：本临床研究的目的是通过生态学瞬间评估，对健康青壮年为期一周的清醒时磨牙行为进行评价，评估其与咀嚼肌柔软度的关系，以及内源性镇痛的参与情况：共向 150 名健康参与者提供了一款智能手机应用程序，该应用程序每天随机发送 10 次警报。参与者被要求实时报告以下哪种清醒磨牙行为最能代表其当前状况：下颌肌肉放松、牙齿接触、牙齿紧咬、磨牙或下颌支撑。在基线期，参与者对咀嚼肌的压力痛阈和条件性疼痛调节进行了记录。在研究的最后一天，还重复记录了压力痛阈值。使用 t 检验比较 1 周后首次和最后一次压力痛阈记录与生态学瞬间评估评价。对变量之间的相关性进行了皮尔逊相关检验（α=.05）：总体符合率为 75.9%。下颌肌肉放松的平均频率为 54.5%，牙齿接触的平均频率为 29.4%，下颌支撑的平均频率为 5.8%，咬牙的平均频率为 9.7%，磨牙的平均频率为 0.6%。有明显清醒磨牙行为的平均频率为 45.5%。研究发现，压力痛阈值的增加具有统计学意义（P=.001；P=.001；P=.045，右侧和左侧颞前肌、左侧咀嚼肌分别为P=.001、P=.045）。在清醒磨牙行为的频率、压力痛阈值和条件性疼痛调节之间没有发现明显的相关性（P>.05）：结论：最普遍的行为是牙齿接触（29.4%）。结论：最普遍的行为是牙齿接触（29.4%），未发现清醒磨牙行为与咀嚼肌软化或内源性镇痛之间有任何关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Prosthetic Dentistry 医学-牙科与口腔外科

CiteScore

7.00

自引率

13.00%

发文量

599

审稿时长

69 days

期刊介绍： The Journal of Prosthetic Dentistry is the leading professional journal devoted exclusively to prosthetic and restorative dentistry. The Journal is the official publication for 24 leading U.S. international prosthodontic organizations. The monthly publication features timely, original peer-reviewed articles on the newest techniques, dental materials, and research findings. The Journal serves prosthodontists and dentists in advanced practice, and features color photos that illustrate many step-by-step procedures. The Journal of Prosthetic Dentistry is included in Index Medicus and CINAHL.