Journal of oral rehabilitation · 2025
Sleep Bruxism Is a Significant Risk Factor for the Recurrence of Temporomandibular Disorder: A Single-Center Retrospective Study.
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Yang Yang, Qin Ji-Xiong, Yao Yuan, Liu Sha-Sha, Zeng Hong, Fang Zhong-Yi, Xu Li-Li, Cai Bin
Аннотация
BACKGROUND: Oral behaviours are risk factors for temporomandibular disorder (TMD), but the associations between oral behaviours and TMD prognosis remain unclear.
OBJECTIVE: To assess the effect of oral behaviours on TMD prognosis.
METHODS: This single-centre retrospective study included 99 TMD patients (12 males and 87 females, median age: 28 years) who received physical therapy between January and August 2022 and completed a 6-month follow-up. Pain intensity, mouth opening, jaw function and oral behaviours were assessed at baseline. At follow-up, disease recurrence and the abovementioned indicators were assessed. Paired-samples t tests were used to compare pain, mouth opening and jaw function before and after treatment. Chi-squared tests were used to assess changes in oral behaviours. Multivariate logistic regression analyses were used to identify risk factors for TMD recurrence. p < 0.05 indicated statistical significance.
RESULTS: TMD recurrence was reported by 25 patients, yielding a recurrence rate of 25%. After physical therapy, the patients' pain, mouth opening and jaw function significantly improved (p < 0.001). The oral behaviour during waking hours was effectively corrected (p < 0.05); however, it was difficult to improve nocturnal oral behaviour (p > 0.05). Multivariate logistic regression analysis revealed that sleep bruxism was an independent risk factor for TMD recurrence (OR = 4.411, p = 0.023).
CONCLUSION: Sleep bruxism is a significant risk factor for TMD recurrence. Close attention should be given to whether TMD patients have a habit of sleep bruxism.
OBJECTIVE: To assess the effect of oral behaviours on TMD prognosis.
METHODS: This single-centre retrospective study included 99 TMD patients (12 males and 87 females, median age: 28 years) who received physical therapy between January and August 2022 and completed a 6-month follow-up. Pain intensity, mouth opening, jaw function and oral behaviours were assessed at baseline. At follow-up, disease recurrence and the abovementioned indicators were assessed. Paired-samples t tests were used to compare pain, mouth opening and jaw function before and after treatment. Chi-squared tests were used to assess changes in oral behaviours. Multivariate logistic regression analyses were used to identify risk factors for TMD recurrence. p < 0.05 indicated statistical significance.
RESULTS: TMD recurrence was reported by 25 patients, yielding a recurrence rate of 25%. After physical therapy, the patients' pain, mouth opening and jaw function significantly improved (p < 0.001). The oral behaviour during waking hours was effectively corrected (p < 0.05); however, it was difficult to improve nocturnal oral behaviour (p > 0.05). Multivariate logistic regression analysis revealed that sleep bruxism was an independent risk factor for TMD recurrence (OR = 4.411, p = 0.023).
CONCLUSION: Sleep bruxism is a significant risk factor for TMD recurrence. Close attention should be given to whether TMD patients have a habit of sleep bruxism.