J Korean Acad Pediatr Dent. 2004;31(2): 262-266.
PSEUDOHYPOPARATHYROIDISM : CASE REPORT
김성오, 홍은경, 최형준, 이제호, 손흥규
연세대학교 치과대학 소아치과학교실.구강과학연구소
Corresponding Author: 김성오 ,
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ABSTRACT
The parathyroid hormone plays a major role in the metabolism of calcium and phosphorus. In hypoparathyroidism the parathyroid glands are atrophied or absent associated with autoantibodies against parathyroid tissue. Pseudohypoparathyroidism is a metabolic disease caused by the disturbance in peripheral action of parathormone, but parathormone level is normal. In general, patients with pseudohypoparathyroidism have short stature, round face, brachydactylia, obesity, mental retardation, cataracts & ectopic calcifications on soft tissues. Dental manifestations are enamel hypoplasia, delayed eruption, blunting of root apex, hypodontia, pulp calcification, thickened lamina dura, excessive caries & malocclusion. In this case, intraoral examination showed enamel hypoplasia on the erupted permanent teeth & hypermobility on the remaining deciduous teeth. From the radiographic view severe dental anomalies were observed on canines and shortening and blunting of root apex was observed on mandibular incisors. Pathologic root resorption was also observed on deciduous teeth.
Keywords: Pseudohypoparathyroidism | Enamel hypoplasia | Blood calcium level | Pathologic root resorption
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