Activity of Masseter and Temporal Muscles and Facial and Mandibular Growth: A Case Report

Abstract

Purpose:The purpose of this study is to report electromyographic, clinical and radiological featur es of an adult female patient having bilateral complete TMJ ankylosis that occurred her childhood. Material and Methods: A 42-year old female patient was diagnosed with bilateral complete TMJ ankylosis. According to anamnestic data, TMJ was injured by a trauma when she was 5 years old. Results: Clinical and radiological examinations showed that the patient had hypoplasic mandible and convex profile, facial asymmetry, 0 mm of mouth opening, poor oral hygiene, complete absence of all anterior and right posterior teeth, and a huge bone block in both TMJ area and ankylosis of both TMJs. In addition to these finding, electromyographic activities of masticatory muscles affected from TMJ ankylosis. Conclusion: The findings of the present case report showed that bilateral TMJ ankylosis has potential negative effects on facial and mandibular growth and motor outputs (EMG values) of masticatory muscles.

Keywords

• Trauma, TMJ ankylosis, Electromyography, Facial growth

TME Ankilozunun Masseter ve Temporal Kasların Elektromyografik Aktiviteleri ile Yüz ve Alt Çene Büyümesine Etkileri: Bir Vaka Raporu

Abstract

Amaç: Bu çalışmanın amacı, çocukluk döneminde gelişen bilateral komple TME ankilozlu bir erişkin bayan hastanın elektromyografik, klinik ve radyolojik özelliklerinin rapor edilmesidir. Gereç ve Yöntem: 42 yaşındaki bayan bir hasta çift taraflı TME ankilozu tanısı koyulmuştur. Anamnestik verilere göre, hasta 5 yaşında iken bir travma geçirmiş ve bu travmada TME zarar görmüştür. Bulgular: Klinik ve radyolojik incelemeler hastada hipoplazik mandibula ve konveks profil, yüz asimetrisi, ağzı açamama, düşük ağız hijyeni, ön ve sağ posterior dişlerin tümünün yokluğu ve TME bölgesin bir kalın kemik kitle ve buna bağlı bilateralde komple ankilozun varlığını göstermiştir. Bu bulgulara ek olarak, hastanın çiğneme kaslarındaki electromyografik aktivitenin ankilozdan etkilenmiştir. Sonuç: Bu vaka raporunun sonuçları bilateral TME ankilozunun alt çene ve yüz büyümesi ile çiğneme kaslarının motor güçlerini etkilediğini göstermektedir.

Keywords

• Travma, TME ankilozu, Elektromyografi, Yüz büyümesi

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