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KMID : 1237720210540030304
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Anatomy & Cell Biology
2021 Volume.54 No. 3 p.304 ~ p.307
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Localizing the nerve to the mylohyoid using the mylohyoid triangle
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Iwanaga Joe
Kim Hee-Jin
Wysiadecki Grzegorz
Obata Kyoichi
Harazono Yosuke
Ibaragi Soichiro
Tubbs R. Shane
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Abstract
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The nerve to the mylohyoid muscle has been well studied but there are no specific anatomical landmarks for identifying it. Therefore, we aimed to identify anatomical landmarks for localizing the nerve to the mylohyoid muscle in the submandibular region. Sixteen sides from eight embalmed Caucasian cadaveric heads were used in this study. The mean age at the time of death of the specimens was 80.3 years. The anterior and posterior bellies of the digastric muscle, submental artery, and mylohyoid muscle were dissected to verify their relationships with the nerve to the mylohyoid muscle. The nerve to the mylohyoid muscle was found medial to the submental artery, lateral to the anterior belly of the digastric muscle, and anterior to the posterior border of the mylohyoid muscle on all sides. Herein, we identified what we term the mylohyoid triangle. This anatomical region can help localize the nerve to the mylohyoid muscle.
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KEYWORD
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Nerve to mylohyoid muscle, Submental island flap, Reconstructive surgery, Head and neck surgery, Submental artery
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