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Machine Learning for Evaluating and Diagnosing Temporomandibular Disorders

18. august 2026 opdateret af: Ting-Yu Huang, D.D.S., En Chu Kong Hospital

Development of an Integrated Evaluation-to-Treatment Framework to Enhance Clinical Efficiency and Effectiveness in Temporomandibular Disorders

This study aims to improve clinical efficiency and effectiveness in treating Temporomandibular Disorders (TMD). The researchers will integrate machine learning technology with clinical examination data, CBCT, and MRI to identify the core underlying issues of each patient. Based on this precise, AI-assisted diagnosis, the study will implement a tailored treatment framework. The final goal is to develop predictive algorithms that can determine MRI necessity while ensuring that clinical interventions are highly targeted, efficient, and successful.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study integrates machine learning with a clinical trial framework to optimize the evaluation and management of Temporomandibular Disorders (TMD). A total of 180 eligible participants are expected to be enrolled in the study. To ensure a homogenous sample, strict screening will be conducted using standardized psychometric scales; patients with significant psychosocial confounders (defined as GAD-7 ≥10, PHQ-9 ≥15, PHQ-15 ≥10, or PSQI >5) or comorbidities such as fibromyalgia, rheumatic autoimmune diseases, and trauma history will be excluded. Prior to treatment, baseline clinical examination, cone beam computed tomography (CBCT), and magnetic resonance imaging (MRI) data will be collected. All clinical data and longitudinal pre- and post-treatment MRI findings will be utilized to train advanced multi-modal diagnostic models; based on this foundational intelligence, predictive algorithms will then be developed to determine the necessity of an MRI scan using only clinical data and CBCT images. The enrolled participants will be divided by active maximum mouth opening into two subgroups (≤30 mm and >30 mm) and randomly assigned to three treatment arms: (1) Proprioceptive Training + Sham + LLLT (2 weeks of sham laser followed by 2 weeks of active laser acupuncture); (2) Proprioceptive Training + LLLT + LLLT (4 weeks of active laser acupuncture); and (3) Waiting List Control (receiving standard conservative care only).Proprioceptive training includes gentle teeth tapping, tongue-to-palate contact, and neutral head-neck posture exercises, performed three times daily. LLLT targets the Xiaguan (ST7), Yifeng (SJ17), and bilateral Fengchi (GB20) points once weekly. Assessments will be conducted biweekly during treatment, with final evaluation at 4 weeks and follow-ups at 1, 3, 6, 12, and 24 months post-treatment. Post-treatment MRI will be performed at the 4-week endpoint to evaluate objective intra-articular and perimuscular soft-tissue changes, correlating with improvements in pain resolution efficiency and mandibular range of motion recovery.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

180

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Patients diagnosed with temporomandibular disorders (TMDs) screened by the Department of Dentistry, Division of Oral and Maxillofacial Surgery at En Chu Kong Hospital, who have failed to respond to analgesic treatment for at least one week.
  • Patients clinically examined and identified as having pain predominantly originating from muscles associated with mandibular movement.
  • Patients aged between 18 and 70 years (inclusive) with full legal capacity.
  • Patients who are willing to participate in the study and provide written informed consent.

Exclusion Criteria:

  • Patients meeting any of the following clinical scale thresholds: Generalized Anxiety Disorder-7 (GAD-7)≥ 10, Patient Health Questionnaire-9 (PHQ-9) ≥ 15, Patient Health Questionnaire-15 (PHQ-15) ≥ 10, or Pittsburgh Sleep Quality Index (PSQI) > 5.
  • Patients with tumors of the temporomandibular joint (TMJ) or head and neck region.
  • Patients with acute or chronic infections.
  • Patients with a history of neuropathy or stroke.
  • Patients with a history of head and neck trauma.
  • Patients diagnosed with fibromyalgia.
  • Patients diagnosed with autoimmune or rheumatic diseases.
  • Patients diagnosed with irritable bowel syndrome (IBS).
  • Patients with claustrophobia (unable to undergo MRI examination).
  • Women who are pregnant or lactating, or parents currently in the infant care/nursing period.
  • Patients who have received invasive treatment for temporomandibular joint disorders within the past 3 months.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Proprioceptive Training + Sham + LLLT
Participants in this group will receive proprioceptive training combined with low-level laser acupuncture. For the first 2 weeks, sham laser acupuncture (identical visual and auditory cues with no energy output) will be administered, followed by 2 weeks of active laser acupuncture. Proprioceptive training will be performed three times daily throughout the 4-week period.
Enhed: Low-Level Laser Acupuncture
Laser acupuncture targets the Xiaguan (ST7), Yifeng (SJ17), and bilateral Fengchi (GB20) points once weekly. For the LLLT+LLLT group, active laser is given for 4 weeks. For the Sham+LLLT group, sham laser is given for the first 2 weeks followed by 2 weeks of active laser.
Andre navne:
  • Low-Level Laser
  • Laser Acupuncture
Adfærdsmæssigt: Proprioceptive Training
Includes gentle teeth tapping, tongue-to-palate contact, and neutral head-neck posture exercises, performed three times daily for 4 weeks.
Andre navne:
  • Motor Control Training
  • Cranio-Cervico-Mandibular Malalignment / Dysfunction Training
  • Sensorimotor Training
  • Trigemino-Cervical System Rehabilitation
Eksperimentel: Proprioceptive Training + LLLT + LLLT
Participants in this group will receive proprioceptive training combined with 4 weeks of active low-level laser acupuncture. Proprioceptive training will be performed three times daily, and active laser acupuncture will be administered once weekly for the entire 4-week period.
Enhed: Low-Level Laser Acupuncture
Laser acupuncture targets the Xiaguan (ST7), Yifeng (SJ17), and bilateral Fengchi (GB20) points once weekly. For the LLLT+LLLT group, active laser is given for 4 weeks. For the Sham+LLLT group, sham laser is given for the first 2 weeks followed by 2 weeks of active laser.
Andre navne:
  • Low-Level Laser
  • Laser Acupuncture
Adfærdsmæssigt: Proprioceptive Training
Includes gentle teeth tapping, tongue-to-palate contact, and neutral head-neck posture exercises, performed three times daily for 4 weeks.
Andre navne:
  • Motor Control Training
  • Cranio-Cervico-Mandibular Malalignment / Dysfunction Training
  • Sensorimotor Training
  • Trigemino-Cervical System Rehabilitation
Aktiv komparator: Waiting List Control
Participants assigned to this group will serve as a waiting list control and will receive standard conservative care, specifically utilizing a stabilization splint, during the 4-week trial period. They will not receive the experimental proprioceptive training or laser acupuncture protocols during this phase.
Enhed: Stabilization Splint Treatment
Standard conservative clinical care utilizing a hard acrylic flat-plane stabilization splint (centric stabilization splint) for TMD management. The splint is customized to provide even, bilateral occlusal contact in the musculoskeletal stable position during the 4-week trial period.
Andre navne:
  • okklusal skinne

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tenderness of Masticatory Muscles and Periarticular Temporomandibular Joint Pain
Tidsramme: Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
Evaluated using the Numeric Rating Scale (NRS) 0-10, to measure pain intensity upon palpation of the masticatory muscles and the periarticular structures of the temporomandibular joint.
Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
Pain-Free Mandibular Active Range of Motion
Tidsramme: Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
Measured as the maximum active mouth opening (maximum unassisted pain-free opening) in millimeters using a calibrated ruler.
Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
Jaw Functional Limitation Scale - 20 (JFLS-20)
Tidsramme: Baseline, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
The Jaw Functional Limitation Scale-20 (JFLS-20) is a 20-item patient-reported questionnaire assessing jaw functional limitation during the previous month. Each item is rated from 0 (no limitation) to 10 (severe limitation). Domain scores are calculated as the mean of completed items for mastication (items 1-6), vertical jaw mobility (items 7-10), and verbal and non-verbal communication (items 11-20). The overall JFLS-20 score is the mean of the three domain scores. Scores range from 0 to 10; higher scores indicate greater jaw functional limitation and a worse outcome. A domain score is calculated when no more than 2 mastication items, 1 mobility item, or 2 communication items are missing.
Baseline, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Cervical active range of motion (AROM) limitation
Tidsramme: Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
Cervical AROM of flexion, extension, left/right rotation, and left/right lateral flexion is measured using a plastic universal goniometer in degrees from 0-80/40/45 etc. For reporting purposes, each movement is categorized as "normal", "limited", or "no movement", based on predefined cutoffs (e.g., rotation ≥80° = normal; 40-79° = limited; <40° = no movement). The outcome is the proportion of participants with limited cervical AROM at each time point.
Baseline, 2 weeks, 4 weeks (endpoint), and long-term follow-ups at 1, 3, 6, 12, and 24 months.
MRI T2-Weighted Soft Tissue Assessment
Tidsramme: Baseline (pre-treatment) and 4 weeks (post-treatment endpoint).
T2-weighted MRI scans were compared with T1-weighted images to identify joint effusion, disc displacement, perimuscular/intramuscular edema, and muscle hemorrhage.
Baseline (pre-treatment) and 4 weeks (post-treatment endpoint).

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Incidence, Severity, and Frequency of Treatment-Emergent Adverse Events Through 4 Weeks
Tidsramme: 2 weeks and 4 weeks (endpoint)
The occurrence, type, severity, and frequency of adverse events and treatment-related discomfort associated with proprioceptive training, laser acupuncture, or stabilization splint therapy will be recorded. The number of participants experiencing at least one adverse event and the number of adverse events will be summarized by treatment group. Adverse events will be assessed at 2 weeks and 4 weeks, including the 4-week endpoint.
2 weeks and 4 weeks (endpoint)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

En Chu Kong Hospital

Samarbejdspartnere

National Yang Ming Chiao Tung University

Efterforskere

  • Studieleder: Ching-Po Lin, PhD, Institute of Neuroscience, Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan. Department of Education and Research, Taipei City Hospital, Taipei, Taiwan.
  • Studieleder: Ching-Mao Chang, MD, PhD, Center for Traditional Medicine, Taipei Veterans General Hospital, Taipei, Taiwan. Institute of Traditional Medicine, and Schools of Chinese Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

5. oktober 2026

Primær færdiggørelse (Anslået)

25. juni 2027

Studieafslutning (Anslået)

31. juli 2027

Datoer for studieregistrering

Først indsendt

13. august 2026

Først indsendt, der opfyldte QC-kriterier

13. august 2026

Først opslået (Faktiske)

18. august 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

20. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • ECKIRB1141206
  • NSTC1152635B385001 (Andet bevillings-/finansieringsnummer: National Science and Technology Council)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

Individual participant data will not be shared to protect patient privacy and comply with the institutional review board (IRB) regulations

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