Related Experiment Video
Updated: May 3, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
Evaluation of Korean teenagers with temporomandibular joint disorders
Ji-Young Lee1, Young-Kyun Kim1, Su-Gwan Kim2
1Department of Oral and Maxillofacial Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
Objectives:
This study aims to evaluate the severity and pattern of symptoms exhibited by teenage Korean temporomandibular disorder (TMD) patients.
Materials And Methods:
Among patients with an association of TMDs, teenage patients (11-19 years) who answered the questionnaire on the research diagnostic criteria for TMD (RDC/TMD) were recruited.
Results:
The ratio of patients who visited our clinic with a chief complaint of clicking sound (34.5%) or temporomandibular pain (36.6%) at the initial diagnosis (examination) was the highest. In the evaluation of the depression index, 75.8% of the subjects were normal, 12.9% were moderate, and 11.3% were severe. With regard to non-specific physical symptoms (including pain), 66.5% of the subjects were normal, 17.0% were moderate, and 16.5% were severe. Concerning non-specific physical symptoms (excluding pain), 70.6% of the subjects were normal, 14.4% were moderate, and 15.0% were severe. In terms of the graded chronic pain score, high disability (grade III, IV) was found in 9.3% of the subjects.
Conclusion:
Among teenage TMD patients, a portion have clinical symptoms and experience severe psychological pressure; hence requiring attention and treatment, as well as understanding the psychological pressure and appropriate treatments for dysfunction.

