Epidemiology and sociodemographic determinants of chronic temporomandibular disorders in South Korea: a nationwide population-based study.

ABSTRACT:

Background

To investigate the epidemiological prevalence and sociodemographic determinants of chronic temporomandibular disorders (TMD) in South Korea using a standardized case definition from national healthcare data, with emphasis on age, sex, socioeconomic status, and residential distribution.

Methods

Data from the Korean National Health Insurance Service (2006 to 2019) were analyzed. Patients aged ≥ 20 years with three or more TMD-related visits (K07.6) were classified as chronic TMD. Sociodemographic factors included age, sex, income quintiles, and residential region. Treatment modalities were evaluated through associated diagnostic, medication, and procedural codes.

Results

Standardized prevalence of chronic TMD increased from 6.28 per 10,000 in 2010 to 12.09 in

SUBMITTER: Park Y 

PROVIDER: S-EPMC12801990 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature