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Is the incidence of temporomandibular disorder increased in polycystic ovary syndrome?

Abstract
The prevalence of temporomandibular disorders is higher among women than men (ratio 3:1 -9:1). Polycystic ovary syndrome(PCOS) is the most common endocrine disorder in women, which is characterised by chronic low-grade inflammation and excess of androgenic hormones that lead to metabolic aberrations and ovarian dysfunction. Increased activities of various matrix metalloproteinases (particularly MMP-2 and 9) in the serum of these patients has been reported, and it has been hypothesised that high activities of MMP may contribute to loss of matrix and chronic inflammation of the fibrocartilage in temporomandibular disorders. Our aim was to evaluate the incidence of temopormandibular dysfunction in women with PCOS compared with an age-matched, disease-free, control group. We studied 50 patients with previously diagnosed PCOS and 50 volunteers who had normal menstrual cycles. We made a comprehensive clinical examination of the temporomandibular joint (TMJ) and muscles of mastication in both groups and recorded the Visual Analogue Scores (VAS) for pain. There were significant differences (p<0.001) in the incidence of temporomandibular disorders (n=43 (86%) in the PCOS group compared with n=12 24% in the control group), muscle tenderness(n=32 (64%) in the PCOS group compared with n=14 (28%) in the control group) and pain in the TMJ (mean (SD) VAS 2.9 (2.61) compared with 0.3 (1.56). We confirm the higher incidence and severity of disorders of the TMJ in patients with PCOS and suspect that chronic low-grade inflammation may play a part in the aetiology of the disease.
AuthorsSidika Sinem Soydan, Kagan Deniz, Sina Uckan, Aslı Dogruk Unal, Neslihan Bascıl Tutuncu
JournalThe British journal of oral & maxillofacial surgery (Br J Oral Maxillofac Surg) Vol. 52 Issue 9 Pg. 822-6 (Nov 2014) ISSN: 1532-1940 [Electronic] Scotland
PMID25124832 (Publication Type: Comparative Study, Journal Article)
CopyrightCopyright © 2014 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.
Topics
  • Adult
  • Case-Control Studies
  • Facial Pain (physiopathology)
  • Female
  • Humans
  • Joint Dislocations (complications, physiopathology)
  • Masseter Muscle (physiopathology)
  • Myalgia (complications)
  • Neck Muscles (physiopathology)
  • Pain Measurement (methods)
  • Polycystic Ovary Syndrome (complications, physiopathology)
  • Prospective Studies
  • Pterygoid Muscles (physiopathology)
  • Range of Motion, Articular (physiology)
  • Temporal Muscle (physiopathology)
  • Temporomandibular Joint Disc (physiopathology)
  • Temporomandibular Joint Disorders (complications, physiopathology)

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