Abstract
Background
Studies have indicated the negative effects of temporomandibular disorders (TMDs)
on oral health-related quality of life (OHRQoL). The authors investigated the OHRQoL
of patients with acute and chronic TMD subtypes.
Methods
The authors recruited a total of 830 patients. They derived TMD diagnoses using the
Diagnostic Criteria for TMDs protocol involving symptom history, physical examination,
and diagnostic imaging as indicated. The authors categorized patients into acute (<=
3 months) or chronic (> 3 months) pain-related TMD (PT), nonpainful intra-articular
TMD (IT), and combined TMD (CT) groups. They also gathered sociodemographic information
and assessed OHRQoL with the Oral Health Impact Profile (OHIP)-TMDs. The authors evaluated
data using 2-way analysis of variance and Bonferroni test and multiple regression
analysis.
Results
Patients in the chronic PT and CT subgroups had significantly higher mean global OHIP
scores than their acute counterparts. The authors observed significant acute-chronic
differences in OHIP-TMDs domain scores in 5 and 2 domains for the PT and CT groups,
respectively. Patients in the acute IT group had significantly higher functional limitation
scores than those in the chronic IT group. The ranking of mean global scores, in descending
order was CT, PT, and IT for acute TMDs and PT, CT, and IT for chronic TMDs, with
significant differences observed among the 3 TMD subtypes (P < .001).
Conclusions
Both TMD chronicity and subtypes influenced OHRQoL. Painful TMDs (PT and CT) were
associated with significantly poorer OHRQoL than nonpainful TMDs. TMD chronicity appeared
to affect OHRQoL only for the painful TMD conditions. Future work on the impact of
TMDs on OHRQoL should strive to stratify patients by TMD chronicity and subtypes.
Practical Implications
TMD chronicity and subtypes influence the impact of TMDs on OHRQoL. Given that chronic
painful TMDs impair quality of life, early biopsychosocial intervention of acute TMD
pain is important for minimizing chronification and OHRQoL deterioration.
Key Words
Temporomandibular disorders
acute
chronic
oral health-related quality of life
OHIP-TMDs
Abbreviation Key:
CBCT (Cone-beam computed tomography), CT (Combined temporomandibular disorders), DC/TMD (Diagnostic Criteria for Temporomandibular Disorders), DD (Disk displacements), IT (Nonpainful intra-articular temporomandibular disorders), MRI (Magnetic resonance imaging), OHIP (Oral Health Impact Profile), OHRQoL (Oral health-related quality of life), PT (Pain-related temporomandibular disorders), TMD (Temporomandibular disorder), TMJ (Temporomandibular joint)
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Biography
Dr. Cao is an associate professor, Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing, China; an associate professor, Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, China; an associate professor, National Clinical Research Center for Oral Diseases, Beijing, China; an associate professor, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China; and an associate professor, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
Biography
Dr. Yap is a guest professor, Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing, China; a clinical associate professor, Department of Dentistry, Ng Teng Fong General Hospital and Faculty of Dentistry, National University Health System, Singapore; and an adjunct associate professor, National Dental Research Institute Singapore, National Dental Centre Singapore and Duke-NUS Medical School, Singapore Health Services, Singapore.
Biography
Dr. Lei is an associate professor, Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing, China; an associate professor, Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, China; an associate professor, National Clinical Research Center for Oral Diseases, Beijing, China; an associate professor, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China; and an associate professor, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
Biography
Dr. Zhang is an assistant professor, Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing, China; an assistant professor, Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, China; an assistant professor, National Clinical Research Center for Oral Diseases, Beijing, China; an assistant professor, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China; and an assistant professor, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
Biography
Dr. Fu is a professor and department head, Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing, China; a professor, Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, China; a professor, National Clinical Research Center for Oral Diseases, Beijing, China; a professor, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China; and a professor, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
Article Info
Publication History
Published online: October 28, 2021
Accepted:
July 16,
2021
Received in revised form:
July 1,
2021
Received:
November 12,
2020
Publication stage
In Press Corrected Proof
Footnotes
Disclosures. None of the authors reported any disclosures.
This work was supported by grant Z141107002514157 of the Capital Clinical Research Project from the Beijing Municipal Science and Technology Commission and grant 2020-4-4106 of the Capital Health Research and Development of Special Fund Program from Beijing Municipal Health Commission.
Identification
DOI: https://doi.org/10.1016/j.adaj.2021.07.011
Copyright
(C) 2021 American Dental Association. All rights reserved.
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