Neck Disability and Temporomandibular Disorders

Istanbul Medipol University Hospital80 enrolled

Overview

This cross-sectional study investigates neck-related disability in individuals with chronic neck pain by examining the combined influence of temporomandibular disorders, sleep quality, and cervical sensorimotor function within a single analytical model. Although these factors have previously been investigated separately, their combined contribution to disability has not been sufficiently explored. By integrating these clinical variables within one framework, our study aims to provide a multidimensional clinical perspective relevant to assessment and rehabilitation planning in musculoskeletal practice. Given the increasing clinical recognition of the interaction between temporomandibular and cervical systems, this study may help clinicians better understand multidimensional contributors to disability in chronic neck pain.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Neck Disability Temporomandibular Disorders (TMD)

Eligibility

Sex: ALLMin age: 18 YearsMax age: 55 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Participants aged between 18 and 55 years * non-specific neck pain lasting for at least three months * participants who were able to read and write in Turkish Exclusion Criteria: * Individuals with a history of cervical surgery, * neck trauma within the previous year, * neurological or rheumatological disorders, * cervical radiculopathy, * inability to discontinue analgesic medication within 48 hours prior to assessment, * pregnancy, * cognitive impairment

Outcomes

Primary Outcomes

neck disability

Neck disability was evaluated by The Neck Disability Index (NDI) total score The NDI consists of 10 questions in total, and each question evaluates a different area of daily life. Each question is scored between 0 and 5 points: 0 = no problem at all, 5 = maximum limitation. The total score range can be: Minimum: 0 and Maximum: 50.

Time frame: Primary outcome (NDI) was measured once at baseline during the cross-sectional assessment.

Secondary Outcomes

Sleep quality

Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI). The sleep-related assessment consists of 7 components, each scored between 0 and 3: 0 = no problem and 3 = serious problem. The total score can range from a minimum of 0 to a maximum of 21. As the score increases, sleep quality deteriorates: ≤5 good sleep quality and \>5 poor sleep quality.

Time frame: at baseline