Masticatory function before and after masticatory muscle‐related temporomandibular disorder treatment: An observational study

Background Muscle‐related temporomandibular disorders (TMD) may affect the masticatory function. Chewing function can be assessed objectively using bolus‐kneading tests, such as two‐colour chewing‐gum mixing ability test. Objective The aim was to compare the masticatory function with a two‐colour ch...

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Bibliographic Details
Published in:Journal of oral rehabilitation 2022-03, Vol.49 (3), p.295-300
Main Authors: Çetiner, Reşat Batuhan, Ergün‐Kunt, Göknil, Yüceer‐Çetiner, Ezgi, Schimmel, Martin
Format: Article
Language:English
Subjects:
bolus‐kneading test
Chewing Gum
colour‐mixing ability
Humans
Jaw
Masseter Muscle
Mastication
masticatory function
Masticatory Muscles
masticatory performance
Medical tests
Observational studies
Patients
Sensitivity analysis
Statistical analysis
temporomandibular disorders
Temporomandibular Joint Disorders - therapy
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Summary:Background Muscle‐related temporomandibular disorders (TMD) may affect the masticatory function. Chewing function can be assessed objectively using bolus‐kneading tests, such as two‐colour chewing‐gum mixing ability test. Objective The aim was to compare the masticatory function with a two‐colour chewing‐gum test before and after treatment of the masticatory muscle‐related temporomandibular disorder. Methods Twenty‐one patients with masticatory muscle disorder according to Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) were recruited as an experimental group, and further twenty‐one participants without any TMD were included as controls. Pain intensity (scored on a visual‐analogue scale) and maximum mouth opening (MMO) were recorded. Jaw Functional Limitation Scale‐8 (JFLS‐8) was conducted on all patients. Before and after treatment, masticatory function was evaluated with a validated bolus‐kneading test, using two‐colour chewing gum. Results There was no statistically significant difference in chewing function before and after treatment in the experimental group (p = .715). When these values were compared with the control group, there were no statistically significant differences (p = .489, p = .890). There was no correlation between masticatory function and VAS, MMO, JFLS‐8 before and after treatment in the experimental group. Conclusion The two‐colour chewing‐gum test is not sensitive when the masticatory performance is not severely impaired.
ISSN:0305-182X
1365-2842
DOI:10.1111/joor.13286