抄録
Gingival hyperplasia is often presented as a symptom of systemic disease. We experienced a case of infant gingival hyperplasia with several congenital anomalies in which bimaxillary hyperplastic gingiva caused open bite.
The patient, a boy was born in July 1990 showing several congenital anomalies, for example, gargoyle-like facial features and hypertrichosis. In time he showed other various symptoms such as mental retardation, multiple tonic seizure, and marked gingival hyperplasia. Radiographic examination revealed morphological abnormality of teeth and hypoplasia of enamel and dentin. MRI showed progressive brain atrophy. These symptoms suggested metabolic disorder, however, it was denied by lysozomal examinations. Gingivectomy should be applied to hyperplastic gingiva, however, the poor general condition involving frequent dyspnea disturbs the performance of surgical procedures.