Arch Oral Biol:咬肌肌肉活动可能与牙周炎的严重程度有关

2018-03-12 MedSci MedSci原创

本研究旨在调查咬肌肌肉活动是否会显示与牙周炎严重程度有关的任何特定模式。研究纳入16例无或轻度牙周炎受试者(NMP组)和15例中度或重度牙周炎患者(MSP组)。使用牙龈卟啉单胞菌作为细菌抗原检查血浆IgG抗体滴度。患者清醒及睡着时,使用移动表面肌电图记录装置连续记录咬肌的表面肌电图(EMG)。使用5%-10%最大自主紧缩(MVC),10%-20%MVC和> 20%MVC的强度分析咬肌肌肉活动

本研究旨在调查咬肌肌肉活动是否会显示与牙周炎严重程度有关的任何特定模式。

研究纳入16例无或轻度牙周炎受试者(NMP组)和15例中度或重度牙周炎患者(MSP组)。使用牙龈卟啉单胞菌作为细菌抗原检查血浆IgG抗体滴度。患者清醒及睡着时,使用移动表面肌电图记录装置连续记录咬肌的表面肌电图(EMG)。使用5%-10%最大自主紧缩(MVC),10%-20%MVC和> 20%MVC的强度分析咬肌肌肉活动。此外,使用20%MVC的肌电图水平分析阶段性,紧张性和混合性肌电图活动的阈值。咬肌活动和磨牙症发作的累积持续时间被计算为每小时持续时间。

结果显示,在NMP和MSP组之间,牙龈卟啉单胞菌的血浆IgG抗体滴度没有明显差异(p = 0.423)。清醒时,MSP组肌肉活动强度大于20%MVC的持续时间明显长于NMP组(p = 0.037)。睡眠期间,MSP组所有MVC强度的咬肌活动持续时间明显长于NMP组(均p <0.05)。此外,MSP组中的阶段性和混合性发作的持续时间明显长于NMP组的清醒和睡眠阶段(均为p <0.05)。

综上所述,该研究结果表明,咬肌肌肉活动可能与牙周炎的严重程度有关。

原始出处:


Kato S, Ekuni D, et al.,  Relationship between severity of periodontitis and masseter muscle activity during waking and sleeping hours. Arch Oral Biol. 2018 Mar 1;90:13-18. doi: 10.1016/j.archoralbio.2018.02.021. [Epub ahead of print]

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    2018-09-11 sunylz
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    2018-12-26 小几洁
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