Journal of oral rehabilitation最新文献

{"title":"Two Botulinum Toxin A Injections in Patients With Chronic Orofacial Myalgia: A Randomised, Double-Blind, Controlled Multicenter Trial With Nine-Month Follow-Up.","authors":"Christine Lennartsson, Ellie Saghafi, Behnosh Öhrnell Malekzadeh, Per Alstergren, Birgitta Johansson Cahlin","doi":"10.1111/joor.70032","DOIUrl":"https://doi.org/10.1111/joor.70032","url":null,"abstract":"<p><strong>Background: </strong>Conventional treatment for reducing pain is not always successful in patients with chronic orofacial myalgia.</p><p><strong>Objective: </strong>The objective of this study was to investigate the pain-reducing efficacy of two botulinum toxin A injections in patients with chronic orofacial myalgia who had already received conservative treatment.</p><p><strong>Methods: </strong>The patients included were 18 years or older and diagnosed with myalgia according to the Diagnostic Criteria for Temporomandibular Disorders. Their pain had persisted for more than six months in spite of previous conservative treatment. The design was a randomised, double-blind, placebo-controlled, multicenter, parallel group study. Participants received two injections of botulinum toxin A or saline at an interval of three months. Follow-up visits were conducted at one, three, four, six and nine months after the first injection.</p><p><strong>Results: </strong>Seventy-two patients were enrolled and sixty-nine completed the study. Between baseline and all follow-up visits, there was a significant decrease in VAS pain intensity for both groups, but the difference between groups was not significant.</p><p><strong>Conclusion: </strong>The use of botulinum toxin A in managing chronic orofacial myalgia did not offer any additional pain relief compared with saline at any of the follow-up occasions.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144789392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correlation and Development of A Maximum Bite Force Prediction Model Based on Handgrip Force and BMI in Young Healthy Adults.","authors":"Lili Zhang, Yuqing Wen, Le Hong, Nico H J Creugers, Na Yu, Hao Li","doi":"10.1111/joor.70033","DOIUrl":"https://doi.org/10.1111/joor.70033","url":null,"abstract":"<p><strong>Objectives: </strong>To examine the associations among handgrip force (HF), maximum bite force (MBF) and body mass index (BMI) in individuals of the same age group across both genders. It also explores the laterality correlation between MBF and HF. Furthermore, to establish a simple approach for clinical MBF assessment, we aimed to develop a predictive model for MBF.</p><p><strong>Methods: </strong>In this cross-sectional study, 102 healthy young adults (51 males, 51 females) underwent MBF measurement via a dental bite force tester and HF via a digital dynamometer. BMI was calculated from height and weight. Spearman's correlation assessed variable relationships and laterality patterns; gender differences were analysed using Mann-Whitney U tests. A multiple regression model was constructed to predict MBF.</p><p><strong>Results: </strong>MBF and HF were significantly correlated in both genders (p < 0.01). BMI showed a stronger influence on MBF and HF in females (p < 0.01). Laterality correlations between HF and MBF were also stronger in females. Males exhibited higher HF and BMI (p < 0.01), while MBF showed no significant gender difference (p = 0.536).</p><p><strong>Conclusion: </strong>HF and BMI are strong predictors for MBF. The developed predictive model offers a practical and objective tool for MBF assessment in healthy young adults.</p><p><strong>Clinical relevance: </strong>This model provides a simple, reliable method for clinical evaluation of MBF.</p><p><strong>Trial registration: </strong>ChiCTR2500097064.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144789387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of Multidirectional Head Lift Exercise Based on Proprioceptive Neuromuscular Facilitation Techniques on Oropharyngeal Swallowing Muscles in Community-Dwelling Older Adults With Oral Frailty.","authors":"Ji-Su Park, HyunDong Kim, NaMi Han","doi":"10.1111/joor.70031","DOIUrl":"https://doi.org/10.1111/joor.70031","url":null,"abstract":"<p><strong>Background: </strong>Dysphagia rehabilitation using proprioceptive neuromuscular facilitation (PNF) was recently introduced. However, the clinical evidence for this technique remains unclear.</p><p><strong>Objective: </strong>This study aimed to investigate the effects of multidirectional head-lift exercise using PNF techniques for the oropharyngeal swallowing muscles in older adults with oral frailty.</p><p><strong>Methods: </strong>Older adults with oral frailty were enrolled in this study and randomly assigned to the experimental or control group. The experimental group performed multidirectional head-lift exercises based on PNF techniques, whereas the control group performed conventional head-lift exercises (90 times/day, 5 days/week for 6 weeks). Tongue strength and thickness were measured using an Iowa Oral Performance Instrument and ultrasonography, respectively. Additionally, suprahyoid muscle activation and thickness were measured using surface electromyography and ultrasonography, respectively.</p><p><strong>Results: </strong>The experimental group showed significant improvements in tongue strength and thickness compared to the control group, as well as significant improvements in suprahyoid muscle activation and thickness (all, p < 0.05).</p><p><strong>Conclusion: </strong>This study demonstrates that multidirectional head-lift exercise based on PNF techniques is more effective than conventional head-lift exercise in increasing the strength and thickness of the oropharyngeal muscles related to swallowing in older adults.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144789388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of a Mindfulness-Based Intervention on Pain and Psychological Factors in Women With Chronic Painful Temporomandibular Disorders.","authors":"Melissa de Oliveira Melchior, Laís Valencise Magri, Kranya Victoria Díaz-Serrano, Elton Brás Camargo Júnior, Felipe Fregni, Kevin Arturo Pacheco Barrios, Riccardo Lacchini, Christie Ramos Andrade Leite-Panissi, Edilaine Cristina Silva Gherardi-Donato","doi":"10.1111/joor.70028","DOIUrl":"https://doi.org/10.1111/joor.70028","url":null,"abstract":"<p><strong>Background: </strong>Psychosocial factors influence the perception of TMD signs and symptoms. Regular mindfulness practice supports their management through emotional and cognitive self-regulation, modulating the TMD-related pain experience.</p><p><strong>Objective: </strong>To analyse the influence of a mindfulness-based intervention on pain, cognitions, behaviour and emotions reported by women with TMD-related chronic pain.</p><p><strong>Methods: </strong>Eighty-four women, aged between 18 and 61 years, with chronic TMD (diagnosed according to the Diagnostic Criteria for Temporomandibular Disorders, DC/TMD), were randomised into an intervention group (IG) or a control group (CG). The intervention group underwent an 8-week mindfulness practice programme, consisting of weekly 2-h sessions and one immersion session lasting 4 h. The entire programme consisted of nine meetings. The control group did not receive any intervention during the same period. All participants underwent clinical pain assessments and completed self-administered questionnaires before and after the intervention period. These questionnaires addressed cognitive, behavioural and emotional variables. Evaluators were blinded to the group allocations of the participants. Simple linear regression was used for the main statistical analyses, with significance established at p < 0.05.</p><p><strong>Results: </strong>Fifty-three women completed the study (IG = 30; CG = 23). The intervention had a positive influence on the following variables: number of pain points, pain pressure threshold (PPT), stress, catastrophic thoughts and facets of mindfulness, including 'observe', 'distract', 'non-react' and overall mindfulness levels (all analyses at p < 0.05).</p><p><strong>Conclusion: </strong>This unique trial, in which the mindfulness-based intervention was compared against a control (no treatment), showed that mindfulness can contribute to the sensory, cognitive, behavioural and emotional management of pain-related TMD. The improvement in pain, therefore, was probably influenced by the regulation of psychological aspects related to it.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144789389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oral Function as a Predictor of Skeletal Muscle Mass Decline in Community-Dwelling Older Adults.","authors":"Joo-Young Lee, A-Young Chun, Young-Suk Bae, Hee-Eun Kim","doi":"10.1111/joor.70027","DOIUrl":"https://doi.org/10.1111/joor.70027","url":null,"abstract":"<p><strong>Background: </strong>Normal oral function is pivotal for maintaining systemic health in older adults as it directly affects skeletal muscle mass and overall physical well-being. Nonetheless, specific oral function-related factors influencing the skeletal muscle mass index (SMI) in healthy older adults remain underexplored.</p><p><strong>Objective: </strong>To identify oral function-related factors associated with a low SMI in healthy, community-dwelling older adults.</p><p><strong>Methods: </strong>This cross-sectional study included 165 healthy older adults aged ≥ 75 years from senior culture centres in Korea. Participants were categorised into normal and low SMI groups, with low SMI defined as < 7.0 kg/m² for men and < 5.7 kg/m² for women. The following oral function-related factors were assessed and classified as normal or abnormal based on standardised evaluation criteria and then compared between the groups: Number of remaining teeth, tongue pressure (TP), masticatory performance (MP), oral diadochokinesis, oral dryness, swallowing function and oral hygiene. Multiple logistic regression was performed to identify factors associated with a low SMI.</p><p><strong>Results: </strong>The prevalence of a low SMI was 19.4% (n = 32). After adjusting for sociodemographic variables, reduced MP (odds ratio, 3.899; 95% confidence interval, 1.103-13.779) and reduced TP (odds ratio, 3.416; 95% confidence interval, 1.035-11.270) were identified as factors associated with a low SMI.</p><p><strong>Conclusion: </strong>This study demonstrated that a reduction in MP and TP contributes to a low SMI in healthy older adults, highlighting the importance of oral function in maintaining systemic health and promoting healthy ageing.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144789390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Automated Assessment of Test of Masticating and Swallowing Solids Using a Neck-Worn Electronic Stethoscope: A Pilot Study.","authors":"Amika Sugita, Risako Mikami, Johanna Anderson, Mats Stading, Dushyantha Jayatilake, Kenji Suzuki, Koichiro Matsuo","doi":"10.1111/joor.70030","DOIUrl":"https://doi.org/10.1111/joor.70030","url":null,"abstract":"<p><strong>Background: </strong>The Test of Masticating and Swallowing Solids (TOMASS) is a validated screening tool for assessing masticatory and swallowing functions. However, the conventional TOMASS relies on operator-dependent methods, which limit its objectivity and efficiency. The neck-worn electronic stethoscope (NWES), a contact sensor positioned on the back of the neck, has recently been developed to automatically detect and monitor swallowing actions through deep learning-based analysis of collected sound data.</p><p><strong>Objective: </strong>This study piloted a semi-automated assessment approach using a NWES to objectively measure TOMASS parameters and examine the influence of age and gender.</p><p><strong>Methods: </strong>A total of 123 healthy adults (mean age: 58.7 ± 18.5 years) consumed two crackers while audio data recorded using a NWES and visual data were collected by smartphone. Measurements included discrete bite count, swallow count, oral processing and swallowing time (OPST), and first OPST (1st-OPST). Statistical analyses were conducted to assess gender- and age-related changes and differences.</p><p><strong>Results: </strong>The NWES enabled objective and precise TOMASS measurements. Age-related prolongation of OPST and 1st-OPST was observed, particularly in men (p < 0.001). Women exhibited fewer age-related changes in OPST, although swallow count tended to decrease with age (p < 0.001). Regarding gender differences, younger women demonstrated higher bite (2.3 [interquartile range (IQR): 1.0-3.0] vs. 1 [IQR: 1.0-2.0], p = 0.042) and swallow counts (2.5 [IQR: 2.0-2.5] vs. 2 [IQR: 1.0-2.0], p = 0.026) compared with men.</p><p><strong>Conclusion: </strong>The NWES appeared suitable as an objective, efficient tool for automated TOMASS evaluation. Age-related changes in masticatory and swallowing performance differed according to gender, highlighting the need for tailored assessments. Future research on NWES-based TOMASS measurements should include diverse populations and extension to dysphagia and masticatory dysfunction.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144765006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multimodal Physiotherapeutic Treatment in Adolescents With Temporomandibular Disorders: A Randomised Controlled Trial.","authors":"Andreza Garrett, Daniela Aparecida Biasotto-Gonzalez, Cleide Mara Niszezak, Alice Garcia Tosi, Gilmar Moraes Santos, Anelise Sonza","doi":"10.1111/joor.70026","DOIUrl":"https://doi.org/10.1111/joor.70026","url":null,"abstract":"<p><strong>Background: </strong>Adolescence is a period of transition and vulnerability during which physiological development occurs, and may be impaired in the presence of temporomandibular disorders (TMDs), an undertreated condition that lacks debate about effective treatment modalities.</p><p><strong>Objective: </strong>To verify the effect of a multimodal physiotherapeutic treatment in an in-person group and telerehabilitation formats on outcomes, including peripheral muscle oxygenation, perceived pain intensity, pressure pain threshold (PPT), range of motion (ROM), and mandibular function in adolescents with TMDs.</p><p><strong>Methods: </strong>This randomised controlled trial included 26 adolescents with TMDs, assigned to a telerehabilitation (GT) or in-person treatment (GP) group. Participants underwent baseline assessment, three 30-min weekly treatments, immediate reassessment and follow-up after 30 days. The study used Diagnostic Criteria for Temporomandibular Disorders, near-infrared spectroscopy, the Numerical Rating Scale (NRS) and an algometer. The physical therapy protocol included counselling, manual therapy, and exercises.</p><p><strong>Results: </strong>The GP group showed a statistically significant difference in tissue saturation index of the masseter muscle at rest, and an important clinical improvement in the PPT of the masseter and temporal muscles, although the difference was not statistically significant. In both groups, an intra-group analysis showed a significant improvement in the NRS, ROM and mandibular function at all time points.</p><p><strong>Conclusion: </strong>In-person treatment was superior for peripheral oxygenation of the masseter muscle at rest and for PPT. However, both the GP and GT groups demonstrated improvements in NRS, ROM and mandibular function in adolescents with TMDs.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144760293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Insights Into Oral Behaviours Among Temporomandibular Disorder Patients: Associations With Psychological Distress, Sleep Propensity and Jaw Function.","authors":"Adrian Ujin Yap, Yunhao Zheng, Fang Luo, Tiqian Liu, Yijun Li, Yi Liu, Xueman Zhou, Xin Xiong","doi":"10.1111/joor.14028","DOIUrl":"https://doi.org/10.1111/joor.14028","url":null,"abstract":"<p><strong>Objectives: </strong>This study examined the occurrence of specific oral activities across different temporomandibular disorder (TMD) subtypes and explored the associations of oral behaviours with psychological distress, sleep propensity and jaw function. Additionally, it identified the sociodemographic and biopsychosocial determinants of high jaw overuse behavior (JOB) in TMD patients.</p><p><strong>Methods: </strong>Participants from a dental hospital completed a comprehensive survey covering sociodemographics, the Symptom Questionnaire and relevant psychosocial/behavioural measures of the Diagnostic Criteria for TMDs (DC/TMD), as well as the Epworth Sleepiness Scale. TMD diagnoses were established utilising the DC/TMD methodology and corresponding diagnostic algorithms. Participants were subsequently categorised into intra-articular (IT), pain-related (PT) and combined (CT) TMD groups, as well as normal (NO), low (LO) and high (HO) JOB groups. Data were assessed with Chi-square/non-parametric tests and logistic regression analyses (α = 0.05).</p><p><strong>Results: </strong>The study sample included 798 participants (mean age 29.8 [SD 10.7] years; 79.6% female). Of these, 36.1%, 21.9% and 42.0% were diagnosed with IT, PT and CT, while 19.2%, 30.3% and 50.5% had NO, LO and HO, respectively. For all TMD subtypes, 'sleeping in a position that puts pressure on the jaws' was most prevalent (71.4%-74.9%). Significant differences in depression, anxiety, sleep propensity (HO > LO > NO) and jaw functional limitation (HO > LO, NO) were observed among JOB categories. The correlations between JOB and depression, anxiety, sleep propensity and jaw functional limitation, although significant, were weak (r_s = 0.16-0.34).</p><p><strong>Conclusions: </strong>High JOB was associated with age, advanced education, sleep propensity and jaw functional limitation in TMD patients.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144753592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reduced Tongue Pressure as a Risk Factor for Sarcopenia in Community-Dwelling Older Adults: A Cross-Sectional Analysis.","authors":"A-Young Chun, Joo-Young Lee, Young-Suk Bae, Woosung Sohn, Hee-Eun Kim","doi":"10.1111/joor.70024","DOIUrl":"https://doi.org/10.1111/joor.70024","url":null,"abstract":"<p><strong>Background: </strong>Impaired oral function in older adults is linked to sarcopenia owing to its effects on nutrient intake and physical function maintenance. However, comprehensive analyses of the complex interactions between these two conditions remain limited.</p><p><strong>Objective: </strong>We examined the relationship between oral function and sarcopenia in independent community-dwelling older adults in South Korea by comprehensively analysing oral function-related factors.</p><p><strong>Methods: </strong>This cross-sectional study included community-dwelling older adults aged ≥ 65 years residing in Incheon, South Korea between December 2023 and August 2024. Sarcopenia was determined based on skeletal muscle mass, handgrip strength and physical performance. Participants were divided into sarcopenia and normal groups. Nutritional status was assessed using the Mini Nutritional Assessment. Oral function-related factors included the number of remaining teeth, oral hygiene, oral moisture, tongue pressure, masticatory performance, tongue-lip motor function and swallowing function. The association between sarcopenia and oral function-related factors was evaluated using multiple logistic regression after adjusting for potential confounders.</p><p><strong>Results: </strong>Of the 316 participants, 64 (20.3%) were diagnosed with sarcopenia. Reduced tongue pressure (p = 0.007) and diminished masticatory performance (p = 0.033) were significantly associated with sarcopenia. Following adjustment, only reduced tongue pressure remained significantly associated with sarcopenia, with a 2.49-fold increase in risk (p = 0.029). Furthermore, poor nutritional status emerged as a significant risk factor, increasing the sarcopenia risk by 5.26 times (p = 0.009).</p><p><strong>Conclusion: </strong>Maintaining tongue pressure is essential for preventing sarcopenia, as this function plays a critical role in preserving oral health and physical function. Integrating oral health management into preventive strategies may enhance overall well-being in ageing populations.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Relation Between Daytime Sleepiness and Awake and Sleep Bruxism Report in Patients With Obstructive Sleep Apnoea.","authors":"Matteo Pollis, Frank Lobbezoo, Luca Guarda-Nardini, Daniele Manfredini, Rosario Marchese-Ragona","doi":"10.1111/joor.70022","DOIUrl":"https://doi.org/10.1111/joor.70022","url":null,"abstract":"<p><strong>Objective: </strong>To assess the relationship between daytime sleepiness and both self-reported awake bruxism (AB) and sleep bruxism (SB) in patients with different severities of obstructive sleep apnoea (OSA).</p><p><strong>Material and methods: </strong>One hundred and seventy-four participants (female = 33.9%; mean age [±SD] = 55.1 ± 12.3 years) with polygraphy-confirmed OSA underwent a self-reported assessment for both awake and SB and daytime sleepiness, using the BRUX scale questionnaire and Epworth sleepiness scale, respectively. Three BRUX scale sum scores were computed for each patient: total sum score, AB sum score and SB sum score. To assess OSA severity, the apnoea-hypopnoea index and minimal oxygen saturation (MinSat) were considered. Correlations between daytime sleepiness, BRUX scale scores and OSA severity were assessed using Pearson's test. In addition, a multiple linear regression analysis model was used to assess the predictive effect of both self-reported awake and SB and OSA severity on daytime sleepiness.</p><p><strong>Results: </strong>A significant, but weak correlation emerged between daytime sleepiness and the BRUX scale total sum score (r = 0.155; p < 0.05), the awake BRUX scale sum score (r = 0.174; p < 0.05) and MinSat (r = 0.194; p < 0.01). No significant correlations were found between OSA severity and any other variables. The multiple linear regression analysis showed that only the awake BRUX scale sum score had a positive predictive association with daytime sleepiness (B = 0.485; [95% CI = 0.076; 0.936]; p = 0.027).</p><p><strong>Conclusions: </strong>Within the limitations of this study, in individuals with OSA, self-reported AB showed a predictive effect for daytime sleepiness, while no significant correlation between daytime sleepiness and OSA severity emerged.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144707828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}