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BMC Oral Health

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Open Access 01-12-2023 | Craniomandibular Dysfunction and Stress | Research

DC/TMD axis I subtyping: generational and gender variations among East Asian TMD patients

Authors: Adrian Ujin Yap, Chengge Liu, Jie Lei, Ji Woon Park, Seong Hae Kim, Byeong-min Lee, Kai Yuan Fu

Published in: BMC Oral Health | Issue 1/2023

Abstract

Objectives

This study examined the generational-gender distinctions in Diagnostic Criteria for Temporomandibular disorders (DC/TMD) subtypes among East Asian patients.

Methods

Consecutive “first-visit” TMD patients presenting at two university-based TMD/orofacial pain clinics in China and South Korea were enlisted. Demographic information along with symptom history was gathered and clinical examinations were performed according to the DC/TMD methodology. Axis I physical diagnoses were rendered with the DC/TMD algorithms and categorized into painful and non-painful TMDs. Patients were categorized into three birth cohorts, specifically Gen X, Y, and Z (born 1965–1980, 1981–1999, and 2000–2012 respectively) and the two genders. Data were evaluated using Chi-square/Kruskal-Wallis plus post-hoc tests and logistic regression analyses (α = 0.05).

Results

Gen X, Y, and Z formed 17.2%, 62.1%, and 20.7% of the 1717 eligible patients examined (mean age 29.7 ± 10.6 years; 75.7% women). Significant differences in prevalences of arthralgia, myalgia, headache (Gen X ≥ Y > Z), and disc displacements (Gen Z > Y > X) were observed among the three generations. Gen Z had substantially fewer pain-related and more intra-articular conditions than the other generations. Women presented a significantly greater frequency of degenerative joint disease and number of intra-articular conditions than men. After controlling for generation-gender interactions, multivariate analyses showed that “being Gen X” and female increased the risk of painful TMDs (OR = 2.20) and reduced the odds of non-painful TMDs (OR = 0.46).

Conclusions

Generational-gender diversities in DC/TMD subtypes exist and are important for guiding TMD care and future research endeavors.

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Title: DC/TMD axis I subtyping: generational and gender variations among East Asian TMD patients
Authors: Adrian Ujin Yap
Chengge Liu
Jie Lei
Ji Woon Park
Seong Hae Kim
Byeong-min Lee
Kai Yuan Fu
Publication date: 01-12-2023
Publisher: BioMed Central
Keywords: Craniomandibular Dysfunction and Stress
Myalgia
Myalgie
Joint Pain
Published in: BMC Oral Health / Issue 1/2023
Electronic ISSN: 1472-6831
DOI: https://doi.org/10.1186/s12903-023-03478-x

Keynote webinar | Spotlight on medication adherence

Springer Medicine

DC/TMD axis I subtyping: generational and gender variations among East Asian TMD patients

Abstract

Objectives

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusions

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