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KMID : 0952820040070020133
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Journal of Korean Cleft Lip & Palate Association
2004 Volume.7 No. 2 p.133 ~ p.139
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Case reports on neonatal mouth opening limitation due to congenital bilateral idiopathic hyperplasia of the coronoid processes
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Paek Kyung-Won
Myoung Hoon
Seo Byoung-Moo
Hwang Soon-Jung
Lee Jong-Ho
Choung Pill-Hoon
Kim Myung-Jin
Choi Jin-Young
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Abstract
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Congenital bilateral idiopathic hyperplasia of the coronoid processes presents with limited mouth-opening without visible maxillofacial deformity or temporomandibular joint dysfunction / disorder. According to Blanchard et al and McLoughlin et al, it was lnitially described in 1853 by Langenbeck, and the first cases were reported by Holmes in 1956. Since then, there have been regular reports of a certain number of cases. In 1995, McLoughlin et al recorded 79 published cases of bilateral hyperplasia of the coronoid processes. Among them, Fabie et al have found only 3 published cases relating to children younger than 8 years, and have presented the first case of objectively diagnosed restricted mouth opening from birth by pediatricians. Authors have experienced 2 child patients with mouth opening limitation who was diagnosed congenital bilateral idiopathic hyperplasia of the coronoid processes without any other TNJ morphology in Dept of Oral and Maxillofacial surgery, Seoul National University Dental Hospital in 2004. Coronoidectomy was performed and postoperative active mouth opening exercise is indicated. Authors report 2 cases of congenital bilateial idiopathic hypeiplasia of the coronoid processes with literature liview.
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KEYWORD
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neonatal mouth opening limitation, hypeiplasia of the coronoid processes
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