Journal of Oral & Facial Pain and Headache最新文献

{"title":"The relationship between triglyceride levels and medication overuse headache in patients with chronic migraine.","authors":"Hailin Liu, Hefei Tang, Zhihui Duan","doi":"10.22514/jofph.2026.027","DOIUrl":"10.22514/jofph.2026.027","url":null,"abstract":"<p><strong>Background: </strong>Emerging evidence suggests that disturbances in lipid metabolism play a significant role in the etiology of migraines. However, the relationship between lipid metabolism disturbances and medication overuse headache (MOH) remains uncertain. This study aims to evaluate the association between elevated triglyceride (TG) levels and the occurrence of MOH among patients with chronic migraine (CM).</p><p><strong>Methods: </strong>A total of 267 hospitalized individuals diagnosed with CM were enrolled into the study. The participants were divided into two distinct groups based on the presence or absence of MOH. Questionnaires were employed for gathering demographic data, and a systematic inquiry was conducted to ascertain the overall prevalence of headaches. The laboratory examination, anxiety and depression scale, Pittsburgh sleep quality index, and other components were used to evaluate improvement. Initially, the study data underwent univariate analysis, whereby indicators demonstrating statistical significance (<i>p</i> < 0.05) were chosen as independent variables. Subsequently, a binary logistic regression analysis was conducted.</p><p><strong>Results: </strong>The cohort included a total of 87 patients without MOH and 180 patients with MOH. The following five risk variables emerged via single-factor analysis (<i>p</i> < 0.05): headache duration (years), headache frequency (days/months), headache intensity measured by a visual analogue scale (0-10), diabetes history, and TG levels. Elevated TG was associated with greater odds (OR = 1.498 (1.018, 2.259), <i>p</i> = 0.037) of MOH after accounting for demographics, headache features, and cardiometabolic comorbidities (including diabetes and hypertension).</p><p><strong>Conclusions: </strong>Elevated TG levels may be associated with MOH in patients with CM, underscoring their importance in the diagnostic evaluation and therapeutic management of patients with CM.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"120-126"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036612/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Validity and reliability of the 8-item version of the jaw functional limitation scale (JFLS-8) in the Arabic language.","authors":"Ziad Azar, Christelle Haddad, Lynn Fayad, Tia Azar, Tylor Cosgrove, Mirna Fawaz, Sahar Obeid, Feten Fekih-Romdhane, Souheil Hallit","doi":"10.22514/jofph.2026.018","DOIUrl":"10.22514/jofph.2026.018","url":null,"abstract":"<p><strong>Background: </strong>The Jaw Function Limitation Scale (JFLS) is a recently developed instrument that assesses specific jaw function limitations and objective restrictions in daily activities such as chewing, jaw mobility, and verbal communication in a valid and reliable manner. The scale has been translated and validated in several languages and contexts, but no Arabic version is currently available. To address the absence of a validated tool for assessing jaw dysfunction in Arabic-speaking populations, this study aimed to evaluate the validity, reliability, and factor structure of the 8-item version of the JFLS.</p><p><strong>Methods: </strong>This cross-sectional study was conducted between August and October 2025 and included 427 Arabic-speaking adults from Lebanon. Confirmatory factor analysis (CFA) was used to validate the scale.</p><p><strong>Results: </strong>The analysis supported a three-factor structure. Internal reliability was satisfactory, with high internal consistency coefficients (ω = 0.93/α = 0.93). Measurement invariance across gender was confirmed, with no significant differences between males and females in jaw function limitation scores. Greater jaw function limitation was significantly associated with increased insomnia, psychological distress, and neck disability, supporting the scale's convergent validity.</p><p><strong>Conclusions: </strong>This study provides a brief, valid, and reliable Arabic version of the 8-item JFLS for assessing jaw and masticatory functional limitations in Arabic-speaking populations. The scale has potential applications in clinical assessment, intervention planning, and cross-cultural research.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"14-21"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036609/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bifid mandibular condyle: investigating the association with temporomandibular joint disorders on three-dimensional T2-weighted SPACE sequences performed for brain magnetic resonance radiological scanning techniques.","authors":"Rumeysa Samanci, Hayri Ogul, Sarfinaz Ataoglu","doi":"10.22514/jofph.2026.022","DOIUrl":"10.22514/jofph.2026.022","url":null,"abstract":"<p><strong>Background: </strong>Bifid mandibular condyle (BMC) is a rare anatomical variation whose cause has not been fully understood. It has been hypothesized that BMC may be associated with an increased frequency of temporomandibular joint (TMJ) abnormalities. The aim of the study was to comparatively review the magnetic resonance imaging (MRI) archives of the hospital focusing on patients with BMC who underwent brain MRI using the T2-weighted 3D sampling perfection with application-optimised contrast using different flip angle evolutions (SPACE) radiological scanning techniques.</p><p><strong>Methods: </strong>The TMJ was thoroughly evaluated in patients diagnosed with BMC. Pathological findings were categorized into six classes: disc degeneration, disc displacement, disc deformation, degenerative osteoarthritis, effusion, and subluxation.</p><p><strong>Results: </strong>A total of 29 patients with BMC were identified, including 9 males (31%) and 20 females (69%). BMC was located on the right side in 10 patients (34.5%), on the left side in 7 patients (24.1%), and bilaterally in 12 patients (41.4%). Only 5 patients (17.2%) showed no pathological findings on MRI, while 24 patients (82.8%) exhibited at least one TMJ-related abnormality. Among these, 22 patients (75.9%) had disc degeneration, 8 (27.6%) had disc displacement, 10 (34.5%) had disc deformation, 2 (6.9%) had degenerative osteoarthritis, 12 (41.4%) had effusion, and 5 (17.2%) had subluxation.</p><p><strong>Conclusions: </strong>TMJ disc pathology is the most frequently observed abnormality in BMC, although it remains uncertain whether this relationship is causal or coincidental. BMC may contribute to the development of TMJ disorders; however, further research with larger sample sizes is needed to clarify its role.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"75-84"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036621/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Translation, cultural adaptation, and preliminary data evaluation of the Standardized Tool for the Assessment of Bruxism (STAB) and BruxScreen in Turkey.","authors":"Berk Bilgen, Mehmet Berk Kaffaf, Pınar Şeşen, Sina Saygılı, Ayşenur Özcan-Sezgin, Süleyman Çağatay Dayan, Hanefi Kurt, Olcay Şakar, Frank Lobbezoo, Daniele Manfredini","doi":"10.22514/jofph.2026.024","DOIUrl":"10.22514/jofph.2026.024","url":null,"abstract":"<p><strong>Background: </strong>The Standardized Tool for the Assessment of Bruxism (STAB) and Bruxism Screener (BruxScreen) are instruments developed to support the structured evaluation of bruxism across clinical and research settings. For effective use in different populations, translation, cultural adaptation, and preliminary data collection are essential. This study aimed to translate the STAB and BruxScreen into Turkish and evaluate their comprehensibility, feasibility, acceptability, and preliminary clinical applicability.</p><p><strong>Methods: </strong>Translation and cultural adaptation of both instruments into Turkish were performed according to original developers' guidelines. A panel of 12 experts in prosthodontics and/or orofacial pain supervised the process. Independent forward and backward translations were conducted and pilot-tested using the \"Three-Step Test Interview\" among patients, dentists, and dental students. Additionally, preliminary data were collected using selected components of both instruments to explore their clinical utility.</p><p><strong>Results: </strong>Both instruments were translated and culturally adapted. Pilot testing confirmed the face validity and demonstrated high levels of comprehensibility, feasibility, and acceptability across participant groups. Preliminary data collected from patients supported the instruments' applicability and initial clinical utility within the Turkish population.</p><p><strong>Conclusions: </strong>The Turkish versions of both instruments appear to be valid and feasible tools for standardized bruxism assessment. The observed alignment between the outcomes of both instruments underscores their complementary nature and supports their combined use. Their integration may enhance the multidimensional evaluation of bruxism and contribute to international efforts aimed at refining and harmonizing assessment protocols across populations.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"94-104"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036613/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Climatic sensitivity of migraine: a 14-year time series analysis of primary care consultations in Spain.","authors":"Juan Nicolás Cuenca-Zaldívar, Carmen Corral Del Villar, Silvia García Torres, Rafael Araujo Zamora, Paula Gragera Peña, Nina Cadeau Comte, André Mariz de Almeida, Rob Sillevis, Eleuterio A Sánchez-Romero, Rosana Cid-Verdejo","doi":"10.22514/jofph.2026.015","DOIUrl":"10.22514/jofph.2026.015","url":null,"abstract":"<p><strong>Background: </strong>Climatic variability has been proposed as a trigger for migraine; however, evidence from long-term primary care datasets remains scarce. Understanding how atmospheric conditions influence healthcare utilization may improve migraine prediction and management. This study aimed to analyze the association between climatic variables and weekly migraine consultations over a 14-year period in Spanish primary care and to identify the most accurate predictive time-series model.</p><p><strong>Methods: </strong>Weekly migraine consultations from 2010 to 2023 were extracted from electronic medical records using the International Classification of Primary Care, Second Edition (ICPC-2) code N89.01. Meteorological variables-temperature, diurnal variability, day-to-day change, wind direction and speed, barometric pressure, and sunshine hours-were obtained from the Spanish State Meteorological Agency (AEMET). Time-series analyses used exponential smoothing state-space models with external regressors (ETSX) and AutoRegressive Integrated Moving Average models with eXogenous regressors (ARIMAX). Model performance was assessed using Root Mean Squared Error (RMSE), Symmetric Mean Absolute Percentage Error (SMAPE), and Mean Absolute Scaled Error (MASE).</p><p><strong>Results: </strong>A total of 3176 migraine consultations were identified (mean age 47.6 ± 15.3 years; 81.7% female). The ARIMAX model showed the best predictive performance (RMSE = 3.485, SMAPE = 73.840, MASE = 0.875). Stationarity was confirmed using the Augmented Dickey-Fuller test (<i>p</i> = 0.01), and residuals showed no autocorrelation (Ljung-Box test, <i>p</i> = 0.833). After multivariable adjustment, female sex was the only variable independently associated with weekly migraine consultations; temperature, barometric pressure, diurnal variability, and wind speed showed no independent effects. Forecasting indicated a stable trend over the subsequent four years.</p><p><strong>Conclusions: </strong>This long-term time-series analysis showed that female sex was the only variable independently associated with weekly migraine consultations in primary care. Although most atmospheric indicators did not retain significance, climate-informed ARIMAX modeling improved prediction accuracy and may support personalized, weather-adapted preventive strategies.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"22-30"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036618/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Decoding adolescent TMJ osteoarthritis with multimodal machine learning.","authors":"Yeon-Hee Lee, Do-Hoon Kim, Akhilanand Chaurasia, Tae-Seok Kim, Fernando P S Guastaldi, Yung-Kyun Noh","doi":"10.22514/jofph.2026.021","DOIUrl":"10.22514/jofph.2026.021","url":null,"abstract":"<p><strong>Background: </strong>Early and accurate diagnosis of adolescent temporomandibular joint (TMJ) osteoarthritis (OA) is critical, as degenerative changes during growth can cause lifelong pain and deformity. This study aimed to identify key clinical and imaging predictors of adolescent TMJ-OA and to evaluate multimodal machine learning models.</p><p><strong>Methods: </strong>The diagnostic utility was evaluated in 79 adolescents (10-18 years) with TMJ pain using panoramic radiography (PR) and MRI. TMJ-OA was diagnosed based on the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD). Three decision tree models were developed: Model 1 (clinical-only), Model 2 (imaging-only), and Model 3 (combined clinical and imaging). Logistic regression was used for the comparisons.</p><p><strong>Results: </strong>To ensure a robust evaluation with a small sample size (n = 79), the models were assessed using nested 5-fold cross-validation. Model 2 (imaging only) had the highest specificity (0.7714 ± 0.2321), accuracy (0.5942 ± 0.0966), and AUROC (0.719 ± 0.101), but a low sensitivity (0.4472 ± 0.2065). PR evidence of TMJ-OA (feature importance = 0.70; OR = 3.93) was the strongest predictor and root node in the decision tree. Model 3 (combined clinical and imaging data) showed improved sensitivity (0.6056 ± 0.1829), identifying PR_TMJ_OA, MRI_TMJ_ADD (anterior disc displacement), Visual Analog Scale (VAS) score, and age as key nodes (AUROC = 0.6573 ± 0.0338; OR = 2.85 for PR_TMJ_OA). Model 1 (clinical-only) had limited predictive performance (AUROC = 0.4859 ± 0.0894), with symptom duration (importance = 0.64; OR = 1.40), VAS score, and joint locking (importance = 0.20) contributing modestly. A model using PR_TMJ_OA alone achieved perfect specificity (0.9714 ± 0.0571) but low sensitivity (0.3806 ± 0.1458).</p><p><strong>Conclusions: </strong>Although PR is a meaningful screening tool for adolescent TMJ-OA, it remains insufficient as a standalone diagnostic modality. Multimodal integration of clinical and MRI findings improves diagnostic accuracy and provides interpretable, clinically aligned decision-support tools for TMJ-OA.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"64-74"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036619/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical predictors of propranolol responsiveness in pediatric migraine: a prospective observational study.","authors":"Müge Baykan, Elif Didinmez Taşkırdı, Özge Baykan Çopuroğlu, Pınar Gençpınar, Nihal Olgaç Dündar","doi":"10.22514/jofph.2026.026","DOIUrl":"10.22514/jofph.2026.026","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to evaluate the comparative effectiveness of propranolol therapy and structured behavioral interventions in reducing headache severity in pediatric patients and to identify predictors of treatment response.</p><p><strong>Methods: </strong>In this prospective, single-center study, 178 pediatric patients diagnosed with migraine based on the International Classification of Headache Disorders, 3rd edition (ICHD-3) criteria were enrolled. Participants were allocated into two groups according to baseline Pediatric Migraine Disability Assessment Scale (PedMIDAS) scores: Group 1 (PedMIDAS <15, n = 88) received standardized behavioral therapy, while Group 2 (PedMIDAS ≥15, n = 90) received propranolol (1-3 mg/kg/day) for 12 weeks. Primary outcomes were predefined as changes in monthly migraine attack frequency, PedMIDAS scores, and Visual Analog Scale (VAS)-measured headache intensity. Vitamin D deficiency and vitamin B₁₂ deficiency were evaluated as biochemical predictors, and adherence was monitored bi-weekly.</p><p><strong>Results: </strong>Both groups showed significant improvement at week 12. Monthly migraine attacks declined from 3.5 ± 1.6 to 2.1 ± 1.2 in Group 1 and from 6.4 ± 2.1 to 3.1 ± 1.7 in Group 2. PedMIDAS scores decreased from 8.60 ± 3.25 to 5.75 ± 2.52 and 24.40 ± 9.65 to 16.11 ± 7.72, respectively (<i>p</i> < 0.001 both). VAS scores also improved in both groups with no significant between-group difference in percentage reduction. A ≥50% reduction in attack frequency plus ≥1-grade PedMIDAS improvement defined treatment response. In the propranolol group, response was independently associated with benign paroxysmal vertigo and essential tremor, while vitamin D and vitamin B₁₂ deficiency predicted poorer outcomes.</p><p><strong>Conclusions: </strong>Both propranolol and structured behavioral therapy effectively reduce migraine-related disability and pain in pediatric patients, yielding comparable proportional improvements. The identification of key clinical and biochemical predictors supports a personalized treatment approach, integrating comorbidity screening and nutritional assessment to optimize outcomes.</p><p><strong>Clinical trial registration: </strong>ClinicalTrials.gov/NCT07180043, retrospectively registered.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"112-119"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036611/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical findings and associated MRI findings of temporomandibular joint disc degeneration.","authors":"Gürkan Ünsal, Ahmet Faruk Ertürk, Elif Meltem Aslan, Marco Di Blasio, Diana Russo, Gabriele Cervino, Maria Maddalena Marrapodi, Giuseppe Minervini","doi":"10.22514/jofph.2026.025","DOIUrl":"10.22514/jofph.2026.025","url":null,"abstract":"<p><strong>Background: </strong>Temporomandibular disorders (TMD) present with a wide spectrum of symptoms, and many of these are linked to structural changes within the temporomandibular joint (TMJ). Degenerative changes of the TMJ disc, including thinning, perforation, and positional changes, are common in symptomatic patients. MRI is the gold standard for evaluating soft tissues, but the relationship between clinical findings and specific MRI-detected disc degenerations remains unclear. This study aims to review the clinical symptoms reported by patients with TMD and evaluate if these symptoms are linked to MRI findings.</p><p><strong>Methods: </strong>Clinical examinations were conducted on patients presenting with TMJ discomfort between September 2019 and December 2023. Inclusion criteria were patients with suspected TMD who underwent bilateral TMJ MRI with both open- and closed-mouth scans. Exclusion criteria included history of head and neck radiotherapy, previous TMJ treatment or maxillofacial surgery, presence of intense artifacts, and lack of both open- and closed-position TMJ MRI scans. 180 TMJs from 90 patients (60 females, 30 males; mean age 33.5 years, range 15-59) were evaluated. Clinical symptoms such as pain, joint sounds, and trismus were recorded, and MRIs were assessed for TMJ disc position, disc displacement degree, disc degeneration, and TMJ effusion.</p><p><strong>Results: </strong>Statistically significant differences were found in trismus between sexes, with a higher incidence in females (<i>p</i> = 0.04). MRI revealed 112 joints with disc displacement with reduction (DDwR), 51 with displacement without reduction (DDwoR), and 17 healthy joints. Structural abnormalities were observed in 104 TMJs (57.8%), most frequently disc thinning. Pain and osteoarthritis were markedly more prevalent in DDwoR.</p><p><strong>Conclusions: </strong>This study confirmed significant links between clinical symptoms and TMJ disc degeneration. DDwoR was associated with more severe symptoms, including pain and osteoarthritis. MRI remains essential for diagnosing TMJ disorders and guiding treatment. Further prospective studies are needed to validate these findings.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"105-111"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036614/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Orthognathic surgery-related nerve injuries: analysis and treatment modalities.","authors":"Yaara Yaniv-Klein, Nadav Grinberg, Amir Shuster, Clariel Ianculovici, Shlomi Kleinman, Reema Mahmoud, Oren Peleg","doi":"10.22514/jofph.2026.023","DOIUrl":"10.22514/jofph.2026.023","url":null,"abstract":"<p><strong>Background: </strong>Orthognathic surgery, while highly effective in correcting dentofacial deformities, inherently poses a risk of neurosensory complications. Despite the growing volume of these surgical procedures, real-world data remain limited concerning the precise incidence, clinical course, and efficacy of various therapeutic interventions for nerve injuries in this specific context. This study aims to delineate the incidence, anatomical distribution, and treatment outcomes of trigeminal nerve injuries observed after orthognathic surgery within a tertiary care center.</p><p><strong>Methods: </strong>This retrospective cohort study involved 287 patients who underwent orthognathic surgical procedures. Data, including demographic, surgical, and follow-up course, were extracted from electronic medical records. Nerve injuries were specifically identified based on documented postoperative sensory complaints localized to the distribution of the maxillary (CN V2) or mandibular (CN V3) divisions of the trigeminal nerve. Data regarding post-operative treatment using different modalities were collected and analyzed.</p><p><strong>Results: </strong>Our retrospective review identified 17 nerve injuries based on documented postoperative sensory complaints within the CN V2 or CN V3 distributions. The various treatment modalities employed included low-level laser therapy (LLLT), corticosteroids, and vitamin B supplementation. Detailed outcomes regarding the incidence and distribution of these injuries were analyzed.</p><p><strong>Conclusions: </strong>Post-orthognathic surgery trigeminal neurosensory deficits, while not common, are clinically significant. Our findings suggest that LLLT may offer a therapeutic advantage in managing these deficits, though achieving complete neurosensory recovery remains a challenge.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"85-93"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036608/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of articular disc displacement among Thai TMD patients: a retrospective study on the association with demographic and clinical characteristics.","authors":"Uthai Uma, Wacharasak Tumrasvin","doi":"10.22514/jofph.2026.028","DOIUrl":"10.22514/jofph.2026.028","url":null,"abstract":"<p><strong>Background: </strong>Disc displacement (DD) is among the most prevalent intra-articular temporomandibular disorders. Identifying associated factors can support early diagnosis and management. The objective of this study was to evaluate the relationship between disc conditions and patient demographics and clinical characteristics.</p><p><strong>Methods: </strong>This retrospective study analyzed 770 patient records collected from 2021 to 2025 using data extracted from the hospital's digital system. Variables included demographic information, behavioral habits, occlusal characteristics, clinical findings, and temporomandibular joint (TMJ) diagnoses. Statistical analyses were performed using descriptive statistics, chi-square tests, independent <i>t</i>-tests, one-way analysis of variance, and binary logistic regression, with significance set at <i>p</i> < 0.05.</p><p><strong>Results: </strong>DD was diagnosed with 420 patients (54.5%). DD patients were significantly younger (mean 39.0 years, <i>p</i> < 0.001), predominantly in the 21-40 age group (<i>p</i> = 0.002), and more often female (72.0%, <i>p</i> < 0.001). Behavioral habits such as resting the chin on the hand (<i>p</i> < 0.001) and previous orthodontic treatment (<i>p</i> = 0.010) were more prevalent in the DD group. Occlusal characteristics, including overjet, overbite, midline deviation, and occlusal scheme, showed no significant association with DD. However, DD patients exhibited reduced posterior and total static articulation (<i>p</i> < 0.05), as well as decreased working contacts and increased non-working contacts during the right excursion. The distribution of TMJ clicking and disc diagnoses was comparable between the left and right sides. More advanced subtypes of DD were linked to younger age, female sex, reduced mouth opening capacity, and greater mandibular deviation.</p><p><strong>Conclusions: </strong>DD was associated with demographic and behavioral factors, particularly younger age, female sex, and certain oral habits. Functional occlusal contacts were also found to be associated with an increased likelihood of DD. Comprehensive assessment is essential for diagnosis and management.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"40 2","pages":"127-139"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13036622/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147582675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}