Lateral pterygoid muscle volume and migraine in patients with temporomandibular disorders

Imaging Science in Dentistry
Sérgio Lúcio Pereira de Castro LopesLi Li Min

Abstract

Lateral pterygoid muscle (LPM) plays an important role in jaw movement and has been implicated in Temporomandibular disorders (TMDs). Migraine has been described as a common symptom in patients with TMDs and may be related to muscle hyperactivity. This study aimed to compare LPM volume in individuals with and without migraine, using segmentation of the LPM in magnetic resonance (MR) imaging of the TMJ. Twenty patients with migraine and 20 volunteers without migraine underwent a clinical examination of the TMJ, according to the Research Diagnostic Criteria for TMDs. MR imaging was performed and the LPM was segmented using the ITK-SNAP 1.4.1 software, which calculates the volume of each segmented structure in voxels per cubic millimeter. The chi-squared test and the Fisher's exact test were used to relate the TMD variables obtained from the MR images and clinical examinations to the presence of migraine. Logistic binary regression was used to determine the importance of each factor for predicting the presence of a migraine headache. Patients with TMDs and migraine tended to have hypertrophy of the LPM (58.7%). In addition, abnormal mandibular movements (61.2%) and disc displacement (70.0%) were found to be the most common signs i...Continue Reading

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Citations

Dec 30, 2015·Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·Mengjie WuYiqun Zhou
May 29, 2020·The Journal of Headache and Pain·Jeppe HvedstrupHenrik Winther Schytz
Apr 9, 2020·Oral Radiology·Kaustubh SansareFreny Karjodkar

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Software Mentioned

ITK
SNAP
MRIcro
Minitab

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