Lars Björkman, Frauke Musial, Terje Alræk, Harald J Hamre, Wolfgang Weidenhammer
{"title":"A Five-Year Follow-Up Study on the Removal of Dental Amalgam Restorations (Bergen Amalgam Trial): Examining Potential Confounding Factors and Effect Modification.","authors":"Lars Björkman, Frauke Musial, Terje Alræk, Harald J Hamre, Wolfgang Weidenhammer","doi":"10.1111/joor.70046","DOIUrl":"10.1111/joor.70046","url":null,"abstract":"<p><strong>Background: </strong>This government-funded project comprised experimental treatment aimed at improving health and quality of life for individuals with health complaints attributed to dental amalgam.</p><p><strong>Objectives: </strong>The objective was to evaluate long-term changes in health complaints and health-related quality of life (HRQoL) after amalgam removal in individuals attributing health issues to dental amalgam, while also assessing effect modification and confounding factors.</p><p><strong>Methods: </strong>The project was designed as a prospective cohort study. Three cohorts were followed over time: an Amalgam cohort (treatment group, n = 32), a cohort of patients with medically unexplained physical symptoms (MUPS cohort, n = 28) and a cohort of healthy volunteers (Healthy cohort, n = 19). The Amalgam cohort included patients with MUPS attributed to amalgam seeking amalgam removal, while the MUPS cohort had no such symptom attribution. Amalgam cohort participants had their fillings replaced with alternative materials. Questionnaires were completed at baseline (Q1), 1-year follow-up (Q2) and 4 years later (Q3). Changes over time were analysed using linear mixed-effects models.</p><p><strong>Results: </strong>In the Amalgam cohort, general health complaints significantly decreased after amalgam removal, while HRQoL significantly improved. No major changes were observed over time in the other cohorts. The differences in change scores between the Amalgam and MUPS cohorts were statistically significant, indicating better health outcomes in the Amalgam cohort. Adjusting for potential confounders did not substantially alter the effect estimates. Stratified analyses suggested that baseline indicators of health might act as effect modifiers.</p><p><strong>Conclusion: </strong>Improvement of health was consistent over time even after adjustment for potential confounders. Baseline indicators of health could be effect modifiers.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144883056","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}
Hyeonjeong Go, Eun-Kyong Kim, Masae Kuboniwa, Youn-Hee Choi
{"title":"Physical and Psychosocial Frailty Indicators as Predictors of Oral Frailty in Community-Dwelling Older Women.","authors":"Hyeonjeong Go, Eun-Kyong Kim, Masae Kuboniwa, Youn-Hee Choi","doi":"10.1111/joor.70037","DOIUrl":"10.1111/joor.70037","url":null,"abstract":"<p><strong>Objectives: </strong>With the growing older population, oral and general frailty have increased. This study aims to examine the association and predictive role of physical and psychosocial frailty indicators in oral frailty among older Korean women.</p><p><strong>Methods: </strong>In total, 334 women aged 65 years or older participated in the 2017 health survey of the Korean Social Life, Health, and Aging Project on Ganghwa Island, Korea. We assessed oral frailty, including masticatory dysfunction, dysphagia, oral dryness and the number of remaining teeth. Oral frailty was categorised using cutoff values from 1 to 4. Physical frailty was assessed using appendicular skeletal muscle mass (ASMM), handgrip strength, physical performance and body mass index (BMI). Psychosocial frailty was evaluated based on the Mini-Mental State Examination for Dementia Screening (MMSE-DS), feelings of loneliness, living alone, and reduced social activity.</p><p><strong>Results: </strong>Individuals with oral frailty (≥ 3 indicators) showed adjusted odds ratios of 0.62 for the ASMM (95% confidence interval (CI) 0.49-0.92), 0.91 for the BMI (95% CI 0.84-0.98), 0.90 for the MMSE-DS (95% CI 0.82-0.98) and 3.202 for loneliness (95% CI 1.40-7.35). The AUC values were greater than 0.7, with oral frailty (≥ 3 indicators) showing the highest Youden index, ranging from 0.12 to 0.32.</p><p><strong>Discussion: </strong>Physical and psychosocial frailty showed strong predictive ability for oral frailty, suggesting that declines in overall function and health are closely associated with deteriorating oral function in older adults. These findings highlight the importance of a multidisciplinary approach to address the complex interrelationship between systemic frailty and oral health.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144883039","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}
Kazuki Ikeura, Yuto Ochiai, Anna Sasa, Kazuhiro Ono, Ryo Takei, Hideaki Washio, Hajime Takahashi, Jin Magara, Takanori Tsujimura, Makoto Inoue
{"title":"Effect of Hyposalivation on Masticatory Movements While Eating Several Crackers in Healthy Individuals.","authors":"Kazuki Ikeura, Yuto Ochiai, Anna Sasa, Kazuhiro Ono, Ryo Takei, Hideaki Washio, Hajime Takahashi, Jin Magara, Takanori Tsujimura, Makoto Inoue","doi":"10.1111/joor.70048","DOIUrl":"10.1111/joor.70048","url":null,"abstract":"<p><strong>Background: </strong>Salivation is important during mastication for bolus formation.</p><p><strong>Objectives: </strong>This study aimed to examine the effect of reduced salivary flow on the mastication of crackers.</p><p><strong>Methods: </strong>Twenty-one healthy adults were instructed to masticate three foods: rice crackers with (rice cracker 1) and without (rice cracker 2) fat and seasoning and wheat cracker with fat. Atropine sulphate (1 mg) was used to reduce salivary flow.</p><p><strong>Results: </strong>Hyposalivation significantly extended the masticatory duration (p = 0.020) and masticatory cycle time (p = 0.002) for all test foods. The masticatory cycle time in the late stage significantly increased with hyposalivation of rice cracker 2 (p = 0.002) and wheat cracker (p < 0.001). Suprahyoid muscle activity per masticatory cycle significantly increased with hyposalivation for rice cracker 2 on both the masticatory (p = 0.017) and non-masticatory sides (p = 0.026). There were no differences in these values between the rice cracker 1 conditions. Stimulated salivary flow was the highest in rice cracker 1 (p = 0.002) among the foods.</p><p><strong>Conclusion: </strong>Taste stimulation can compensate for impaired mastication through the inhibition of salivary flow. Although the fat content can assist in the manipulation of the bolus, the manufacturing process or location of the fat content in the cracker should be considered.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144883058","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":"Association Between Standardised Hand Grip Strength and Lost All Teeth Status in Middle-Aged and Older Adults: A Nationwide Cohort Study.","authors":"Qinghong Jian, Zhuoya Cui, Yuening Wu, Xueqing Lin, Yizi Chen, Jingxiang Li, Shiting Li","doi":"10.1111/joor.70041","DOIUrl":"10.1111/joor.70041","url":null,"abstract":"<p><strong>Background: </strong>It is unclear whether hand grip strength can predict the risk of future tooth loss. This study aims to explore the association between hand grip strength levels and lost all teeth in the middle-aged and elderly population in China through a nationwide cohort study.</p><p><strong>Method: </strong>Based on the China Health and Retirement Longitudinal Study (CHARLS), 8360 participants aged 45 years or older (58.60 ± 8.04 years) were included, who participated in two rounds of surveys in 2015 and 2018. Participants were divided into four groups based on the hand grip strength (standardised by body weight) quartile of the baseline survey. A multiple logistic regression model was used to analyse the association between hand grip strength and lost all teeth. Restricted cubic spline (RCS) was used to analyse the dose-response relationship between hand grip strength and lost all teeth.</p><p><strong>Result: </strong>During the follow-up period, 488 (5.80%) study subjects were found to have lost all teeth. In comparison with the study subjects who had incomplete tooth loss, those with complete tooth loss were older, with a higher body mass index (BMI) and a larger waist circumference. Multivariate analysis revealed a significant negative correlation between grip strength level and the risk of complete tooth loss. Further subgroup analysis indicated that the association between standardised hand grip strength and the risk of losing all teeth was strong in both male and normal C-reactive protein (CRP) levels subgroups. There was no non-linear dose-response relationship between hand grip strength level and the risk of complete tooth loss (p non-linear > 0.05).</p><p><strong>Conclusion: </strong>Our findings reveal a negative correlation between standardised grip strength and complete tooth loss, with higher levels of standardised grip strength being associated with a lower risk of complete tooth loss.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144883057","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":"Head and Neck Muscle Activity in Post-Stroke Dysphagia Patients: Muscle Dynamics and Implications for Rehabilitation.","authors":"Yingying Zhang, Mingyuan Wu, Weixia Yu, Yinuo Dai, Zhina Gong, Chunyan Niu, Jianzheng Cai","doi":"10.1111/joor.70044","DOIUrl":"10.1111/joor.70044","url":null,"abstract":"<p><strong>Background: </strong>This study utilised surface electromyography (sEMG) to evaluate the activity patterns of head and neck muscle groups in patients with post-stroke dysphagia (PSD), aiming to establish a scientific basis for muscle function rehabilitation in these individuals.</p><p><strong>Methods: </strong>A case-control study, which involved 60 PSD patients and 60 healthy volunteers, was conducted between 1 August 2022, and 28 February 2024. The sEMG signals of head and neck muscles were recorded during dry swallowing and various phonatory tasks, including pursed-lip breathing (PLB), end-inspiratory breath holding (EIBH), lip trills and the pronunciation of the sounds /a/, /n/ and /m/. The mean sEMG amplitude of each muscle group during these tasks was measured and analysed.</p><p><strong>Results: </strong>For the PSD patients, the sEMG signal of the masseter muscle (MS) during dry swallowing was significantly correlated with its signal recorded during all tasks except PLB. Similarly, the sEMG signal of the orbicularis oris muscle (OO) during dry swallowing showed significant correlation with its signal during PLB, /a/ and /n/ tasks, whereas for the submental muscle (SUB), significant correlation existed across all tasks. In the healthy controls, the sEMG signal of MS and OO during dry swallowing did not correlate significantly with their signals recorded during any task, whereas for SUB, significant correlation existed between the sEMG signal during dry swallowing and the signals recorded during lip trill, /a/, /n/ and /m/ tasks. Across all subjects, the sEMG signal of the sternocleidomastoid muscle (SCM) during dry swallowing was significantly correlated with its signal recorded during all tasks. According to multiple regression analyses, the following tasks affected certain muscle groups in the patients but not in the controls: lip trills on MS, SUB and SCM, pronouncing /a/ on OO and pronouncing /n/ on SCM.</p><p><strong>Conclusion: </strong>For the PSD patients, there were varying levels of muscle activation in head and neck muscles during different phonatory tasks. Carefully selecting phonatory tasks may help develop targeted rehabilitation strategies.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144883059","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":"Negative Emotional Eating Behaviour Is Associated With Decreased Masticatory Function.","authors":"Vasily Smirnov, Sergey Popov, Daria Khramova, Elizaveta Chistiakova, Natalya Zueva, Inga Velskaya, Fedor Vityazev, Bronislav Dernovoj","doi":"10.1111/joor.70038","DOIUrl":"https://doi.org/10.1111/joor.70038","url":null,"abstract":"<p><strong>Objective: </strong>The aim of the study was to measure electromyographic (EMG) parameters of masticatory muscle activity and evaluate bolus properties using an agar chewing test in emotional eaters.</p><p><strong>Methods: </strong>Untrained participants (83 women and 46 men, mean age 32.4 ± 8.1 years) were categorised as control and emotional eaters using scores on the emotional scale of the Dutch Eating Behaviour Questionnaire (DEBQ<sub>Emo</sub>). EMG parameters of chewing rhythm, salivation and bolus fragmentation parameters and sensory perception were determined in chewing tests with agar gel.</p><p><strong>Results: </strong>Emotional eaters chewed agar gel with 13% fewer chewing cycles in comparison to controls. Amplitude characteristics of the masseter and suprahyoid muscles did not differ between the groups. However, the EMG signals of the temporal muscle of emotional eaters had lower mean and area amplitudes than those in controls. The bolus saliva content was 12% lower in the emotional eating group compared to the control group, whilst the saliva incorporation rate did not differ. The fraction of bolus particles less than 1.6 mm after chewing agar gel was lower by 11% in emotional eaters than in controls. Sensory analysis demonstrated that participants in both groups similarly rated overall liking and intensity of aroma, taste and texture properties of agar gel. According to sensory analysis, participants in both groups rated overall liking and intensity of aroma, taste and texture properties of agar gel similarly.</p><p><strong>Conclusion: </strong>People with negative emotional eating showed decreased masticatory activity and masticatory efficiency whilst chewing agar gel.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144855536","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}
Camila Freire Brant, Letícia da Costa Siqueira, Lara Kramer Chiomark Malaquias, Ariadne Juliany Goulart de Assis, Lélio Fernando Ferreira Soares, Marta Maria Martins Giamatei Contente, Suzane Cristina Pigossi, Daniel Augusto de Faria Almeida
{"title":"Isolated and Combined Laser Acupuncture and Occlusal Device Therapy in TMD Myalgia: A Randomised Controlled Clinical Trial.","authors":"Camila Freire Brant, Letícia da Costa Siqueira, Lara Kramer Chiomark Malaquias, Ariadne Juliany Goulart de Assis, Lélio Fernando Ferreira Soares, Marta Maria Martins Giamatei Contente, Suzane Cristina Pigossi, Daniel Augusto de Faria Almeida","doi":"10.1111/joor.70036","DOIUrl":"https://doi.org/10.1111/joor.70036","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to assess the effectiveness of the occlusal device (OD), laser acupuncture therapy and their combination in treating temporomandibular dysfunction (TMD).</p><p><strong>Methods: </strong>A total of 104 participants (84 women and 20 men), diagnosed with TMD of Muscular Origin, were randomised into three groups: OD group (n = 34): OD; LAT group (n = 34): laser acupuncture (LAT) and ODLAT group (n = 36): OD and LAT. Pain intensity, mandibular mobility and oral health-related quality of life (OHIP-14) were assessed before treatment and at 0, 2, 4 and 12 weeks.</p><p><strong>Results: </strong>The three treatment modalities reduced self-reported pain (OD-p < 0.0001; LAT-p = 0.0005; ODLAT-p < 0.0001) and increased voluntary mouth opening over 12 weeks (OD-p = 0.0005; LAT-p < 0.0001; ODLAT-p < 0.0001). The ODLAT group experienced less pain than the OD group at weeks 2 (p < 0.0001) and 4 (p = 0.047) and showed greater mouth opening at weeks 2 (p = 0.002), 4 (p = 0.001), and 12 (p = 0.008). The LAT and ODLAT groups had significant improvements in pain reduction post-treatment at weeks 0 and 2 (p < 0.0001). The ODLAT group exhibited superior mouth opening after sessions at week 2 (p = 0.002), 4 (p = 0.001) and 12 (p = 0.008) in comparison with other groups. While all therapies reduced OHIP-14 scores, the ODLAT group exhibited significantly lower scores at re-evaluation (p = 0.003).</p><p><strong>Conclusions: </strong>ODLAT therapy resulted in superior improvements in the myofascial pain symptoms in comparison to the individual treatments.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144855535","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}
Lea S Prott, Vanessa Kaldenhoven, Alfons Hugger, Robert Langner, Petra C Gierthmuehlen, Mortimer Gierthmuehlen
{"title":"Transcutaneous Auricular Vagus Nerve Stimulation for the Treatment of Myoarthropathic Symptoms Associated With Temporomandibular Disorders-A Pilot Randomised Controlled Trial.","authors":"Lea S Prott, Vanessa Kaldenhoven, Alfons Hugger, Robert Langner, Petra C Gierthmuehlen, Mortimer Gierthmuehlen","doi":"10.1111/joor.70039","DOIUrl":"https://doi.org/10.1111/joor.70039","url":null,"abstract":"<p><strong>Background: </strong>Transcutaneous auricular vagus nerve stimulation (taVNS) is a safe and feasible treatment for a variety of acute and chronic pain conditions. However, no evidence about taVNS effectiveness in patients with chronic pain associated with temporomandibular disorders (TMD) is available.</p><p><strong>Objective: </strong>To evaluate the feasibility of and compliance with taVNS in participants experiencing chronic TMD pain and potential effects on pain, psychological well-being, muscle activity, and kinematics.</p><p><strong>Methods: </strong>Twenty adults with chronic TMD pain were randomised to receive taVNS (n = 10) or sham (n = 10). In the taVNS group, stimulation was performed on the left tragus for 4 h daily (25 Hz, pulse width 250 μs, 28 s on/32 s off). In the sham group, an inactive non-functional sham electrode was used. Patient-reported outcome measures (GCPS, PHQ-9, GAD-7, PHQ-15, and OHIP-G14), muscle activity, and kinematics were assessed at baseline, 4 weeks, and 8 weeks. Compliance was assessed using a smartphone app, which recorded daily stimulation time and intensity.</p><p><strong>Results: </strong>Recruitment and retention rates were high (100% and 90%, respectively), with 83% adherence to the intervention. Participants receiving taVNS showed a large effect on oral health-related quality of life, and at least a small but potentially important effect on pain intensity, anxiety, depression, severity of somatic symptoms, muscle activity, and kinematics. However, none of these differences were statistically significant. No serious adverse events were identified.</p><p><strong>Conclusion: </strong>taVNS proved feasible in participants with chronic TMD pain, suggesting potential benefits for symptom management. Future studies with larger sample sizes and extended follow-up durations are necessary to confirm efficacy and safety.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144855537","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}
Miji Kim, Seung-Yun Shin, Chang Won Won, Jong Seob So, Hoi-In Jung, Hong-Seop Kho, Kyung Lhi Kang, Seung-Ryong Ha, Nam-Hee Kim, Jina Lee Linton, Jeong-Hyun Kang
{"title":"Number of Teeth as a Predictor for Falls and Fractures in Community-Dwelling Older Adults.","authors":"Miji Kim, Seung-Yun Shin, Chang Won Won, Jong Seob So, Hoi-In Jung, Hong-Seop Kho, Kyung Lhi Kang, Seung-Ryong Ha, Nam-Hee Kim, Jina Lee Linton, Jeong-Hyun Kang","doi":"10.1111/joor.70035","DOIUrl":"https://doi.org/10.1111/joor.70035","url":null,"abstract":"<p><strong>Background: </strong>Oral health is closely linked to overall health conditions, particularly in older adults.</p><p><strong>Objectives: </strong>To explore the longitudinal effects of the number of remaining natural teeth on the incidence of falls and fractures among Korean community-dwelling adults utilising the data from the Korean Frailty and Aging Cohort Study.</p><p><strong>Methods: </strong>Participants were categorised into five categories based on their number of teeth: 0-4, 5-10, 11-20, 21-25 and more than 25. The number of remaining natural teeth was recorded using dental panoramic radiographs. Diagnostic criteria proposed by the Asian Working Group on Sarcopenia were adopted to diagnose sarcopenia. The Activities-Specific Balance Confidence (ABC) was utilised to evaluate balance confidence. Incidences of falls and fractures were assessed at the baseline, 2-year and 4-year follow-ups.</p><p><strong>Results: </strong>Among the 1404 participants initially enrolled, 1275 remained at the 2-year follow-up and 1030 continued through the 4-year follow-up. Participants with fewer teeth at baseline had significantly higher rates of falls in the preceding year. Significant differences were observed in handgrip strength, walking speed, the 5-time chair stand test, Short Physical Performance Battery score, appendicular skeletal muscle mass index and ABC scales. In the Cox regression model, fewer than five teeth were significantly associated with increased risk of falls (HR, 1.606; 95% CI, 1.008-2.557; p = 0.046) and fractures (HR, 4.322; 95% CI, 1.037-18.015; p = 0.044) within the 4-year follow-up, after adjustments for potential confounders.</p><p><strong>Conclusions: </strong>Having fewer than five dentitions in older adults is a significant predictor of falls and fall-related fractures over 4 years.</p>","PeriodicalId":16605,"journal":{"name":"Journal of oral rehabilitation","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799381","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}
Yi-Shu Liu, Jie Lei, Wei-Yu Mao, Kai-Yuan Fu, Mu-Qing Liu
{"title":"Prognosis and Factors Influencing Temporomandibular Joint Degenerative Disease in Adolescents: A Retrospective Study.","authors":"Yi-Shu Liu, Jie Lei, Wei-Yu Mao, Kai-Yuan Fu, Mu-Qing Liu","doi":"10.1111/joor.70034","DOIUrl":"https://doi.org/10.1111/joor.70034","url":null,"abstract":"<p><strong>Background: </strong>Few studies have addressed the prognosis of temporomandibular joint degenerative joint disease (TMJ-DJD) in adolescents.</p><p><strong>Objective: </strong>To retrospectively analyse clinical and imaging data of adolescent patients (10-19 years) with TMJ-DJD who had multiple follow-up visits, focusing on condylar bone outcomes and influencing factors.</p><p><strong>Methods: </strong>Clinical records and CBCT scans of adolescent TMJ-DJD patients were reviewed. The condylar surface was divided into nine regions to assess the severity of and changes in TMJ-DJD. Bone outcomes (improvement, no change, worsening) at different follow-up intervals (3-6, 7-12, 13-24 months and over 24 months) were analysed for early- and late-stage TMJ-DJD. Logistic regression was employed to identify key factors affecting bone changes.</p><p><strong>Results: </strong>In total, 378 patients (62 males and 316 females; 15.36 ± 2.29 years) were included. The proportions of improvement, no change and worsening were 46.8%, 35.7% and 17.5% at 3-6 months follow-up, respectively. After over 24 months of follow-up, these proportions shifted to 64.5%, 18.1% and 17.4%. A significantly greater proportion of early-stage patients than that of late-stage patients improved: 56.5% vs. 34.5% at 3-6 months and 77.4% vs. 56.5% at over 24 months, respectively (p = 0.0167). Late-stage DJD yielded a greater proportion of stable bone conditions. Logistic regression indicated that unilateral involvement (OR = 2.323, p = 0.005) and anterior repositioning splint (ARS) combined with manual disc reduction (OR = 2.785, p = 0.045) significantly influenced bone outcomes.</p><p><strong>Conclusion: </strong>Adolescent TMJ-DJD patients show a progressive improvement in bone outcomes. Early-stage TMJ-DJD exhibits more significant improvement compared to late-stage TMJ-DJD, which tends to remain stable. Unilateral TMJ-DJD and ARS significantly enhance bone improvement.</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":"144789391","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}