Headache attributed to TMD: analysis of risk factors and clinical implications

Authors

Keywords:

Temporomandibular Joint Dysfunction Syndrome, Headache, Bruxism

Abstract

The term temporomandibular disorder (TMD) encompasses a set of conditions affecting the masticatory muscles, the temporomandibular joint (TMJ), and associated structures. Headache often appears as a painful comorbidity in patients with TMD. Headaches are categorized as primary and secondary, the latter being when there is a known disorder that can trigger the headache, and primary when no underlying disease is identified. Frequently, patients with TMD report headaches, and these should be properly diagnosed to avoid treatment failure. Thus, the aim of this study was to assess the risk factors associated with the presence of headache attributed to TMD in individuals with different subtypes of TMD. Sixty-eight individuals with TMD were evaluated, of whom 55 reported “pain in the temples,” but only 28 were diagnosed with headache attributed to TMD according to DC/TMD criteria. Two groups of TMD patients were formed: with (n=28) and without (n=40) headache attributed to TMD. There was no significant difference in age or gender between the groups studied. The presence of the complaint of "pain in the temples" increased the likelihood of a diagnosis of headache attributed to TMD by 27.98%. Oral behaviors, such as awake bruxism and hypertrophy of the temporal muscle, were associated with the presence of this headache. No significant associations were found between other specific TMD diagnoses and headache attributed to TMD (p>0.05). A higher average of oral behaviors in general (p=0.008) and non-functional oral behaviors (p=0.02) were observed in individuals with headache attributed to TMD. Regression analysis showed that the presence of non-functional oral behaviors and hypertrophy of the temporal muscle significantly impacted the probability of an individual having a headache attributed to TMD (x2= 9.76, p=0.007; R2N=0.183). These findings highlight the importance of properly evaluating the presence of oral behaviors and their clinical signs, as their presence negatively impacts the occurrence of headache attributed to TMD and represents a risk factor for its development.

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References

Diagnostic Criteria for Temporomandibular Disorders: Assessment Instruments. Version 15May2016. [Critérios de Diagnóstico para Desordens Temporomandibulares: Protocolo Clínico e 22 Instrumentos de Avaliação: Brazilian Portuguese Version 25May2016] Pereira Jr. FJ, Gonçalves DAG. [Internet]. 2016

Headache Classification Committee of the International Headache Society (IHS) The International Classification of Headache Disorders, 3rd edition. Cephalalgia. 2018;38(1):1-211. doi:10.1177/0333102417738202

Lobbezoo F, Ahlberg J, Raphael KG, Wetselaar P, Glaros AG, Kato T, Santiago V, Winocur E, De Laat A, De Leeuw R, Koyano K, Lavigne GJ, Svensson P, Manfredini D. International consensus on the assessment of bruxism: Report of a work in progress. J Oral Rehabil. 2018 Nov;45(11):837-844. doi: 10.1111/joor.12663. Epub 2018 Jun 21. PMID: 29926505; PMCID: PMC6287494

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Published

2024-08-15

How to Cite

1.
Jendik LA, Camargo GS de, Betoni DB, Bonotto D, Sydney PBH. Headache attributed to TMD: analysis of risk factors and clinical implications. Headache Med [Internet]. 2024 Aug. 15 [cited 2024 Dec. 22];15(Supplement):21. Available from: https://headachemedicine.com.br/index.php/hm/article/view/1107

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