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Pain in the temple? Headache, muscle pain or both: A retrospective analysis
Aarhus University, Aarhus, Denmark; Scandinavian Center for Orofacial Neurosciences (SCON).
Aarhus University, Aarhus, Denmark; Scandinavian Center for Orofacial Neurosciences (SCON).
Aarhus University, Aarhus, Denmark; Scandinavian Center for Orofacial Neurosciences (SCON).
Malmö University, Faculty of Odontology (OD). Aarhus University, Aarhus, Denmark; Scandinavian Center for Orofacial Neurosciences (SCON).ORCID iD: 0000-0001-5809-8037
2021 (English)In: Cephalalgia, ISSN 0333-1024, E-ISSN 1468-2982, Vol. 41, no 14, p. 1486-1491, article id 03331024211029234Article in journal (Refereed) Published
Abstract [en]

Aim Headache attributed to temporomandibular disorders and myalgia are two diagnoses included in the diagnostic criteria for temporomandibular disorders (DC/TMD). However, it is not clear if these two diagnoses are different clinical entities given their similar presentation and way in which they are diagnosed, when the myalgia is within the temporalis muscle. The purpose of this retrospective study was to assess the overlap between headache attributed to temporomandibular disorders and myalgia of the temporalis muscle. Methods The charts of 671 patients seeking treatment at the Section of Orofacial Pain and Jaw Function, Aarhus University, Denmark, between January 2015 and February 2020 were screened for a diagnosis of headache attributed to temporomandibular disorders, myalgia of the temporalis muscle, or both. Results A total of 89 patients fulfilled the DC/TMD criteria for either headache attributed to TMD, myalgia of the temporalis or both. Of these, two had a diagnosis of headache attributed to TMD, 16 of myalgia of the temporalis, and 71 were diagnosed with both. In 97.3% of the times that headache attributed to temporomandibular disorders was diagnosed, the patient was also diagnosed with myalgia of the temporalis. The Jaccard index was 0.8, indicating a substantial overlap between the two diagnoses. Finally, the overlap of pain location between the two diagnoses was substantial, with a Jaccard index of 0.9. Conclusions In the present study, headache attributed to temporomandibular disorders was almost exclusively diagnosed together with myalgia of the temporalis. Therefore, we propose that headache attributed to temporomandibular disorders and myalgia of the temporalis muscle have more clinical similarities than differences and as such could be considered one single clinical entity. Further studies will be needed to address the clinical consequences of this proposal.

Place, publisher, year, edition, pages
Sage Publications, 2021. Vol. 41, no 14, p. 1486-1491, article id 03331024211029234
Keywords [en]
Temporomandibular disorders, myalgia, cephalalgia, diagnostic criteria, temporalis, secondary headache
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-44906DOI: 10.1177/03331024211029234ISI: 000677278800001PubMedID: 34275350Scopus ID: 2-s2.0-85110980684OAI: oai:DiVA.org:mau-44906DiVA, id: diva2:1585844
Available from: 2021-08-18 Created: 2021-08-18 Last updated: 2024-02-05Bibliographically approved

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Svensson, Peter

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