Self-Reported Temporomandibular Disorder Symptoms and Related Knowledge Among Polish Opera Singers

Objectives: Temporomandibular disorders (TMD) are common musculoskeletal conditions in adults. The repetitive neuromusculoskeletal demands of operatic singing, together with suboptimal technique, intensive training, and psychological strain, may be associated with TMD-related symptoms. Knowledge of TMD and awareness of warning signs may support appropriate health-seeking behaviours. This study aimed to assess self-reported TMD-related symptoms and selected aspects of TMD-related knowledge among Polish opera singers. Methods: An online cross-sectional survey was conducted in 2024 among 241 adult Polish classically trained singers, including professional opera singers and vocal students (90 men and 151 women; age range, 20-73 years). Data were collected using an author-developed questionnaire and the Fonseca Anamnestic Index (FAI), a self-report screening instrument for TMD-related symptoms and symptom severity. Results: FAI scores were within the lowest symptom category in 21.6% of participants, within the mild category in 50.6%, within the moderate category in 24.5%, and within the severe category in 3.3%. Overall, 87.1% rated their TMD-related knowledge as poor or sufficient, although 89.6% recognised that TMD may adversely affect vocal technique. Conclusions: Self-reported TMD-related symptoms were frequently observed in this study sample, and responses to individual questionnaire items indicated gaps in selected areas of TMD-related knowledge. A self-reported previous diagnosis of TMD was associated with greater FAI-assessed symptom severity, whereas self-assessed TMD knowledge was not. These findings may support further evaluation of targeted education and access to appropriate clinical assessment for classically trained singers.