Abstract
The report is a case of 3-year-7-month-old male patient with protracted neonatal Graves' disease which required a long-term treatment over a period of 2 years 6 months.
Growth impediment, early ossification of the skull and carpal bones, and eruptive acceleration of the teeth were not observed. Only a slight mental retardation was recognized.
Facial and oral findings were:
1) C|C were congenitally missing. Numerical and developmental anomalies of the permanent tooth-germs were not observed.
2) ECB|BCE showed anomalies in the size, especially C|C were cone-shaped teeth. They were smaller than average -2SD in the mesio-distal width.
3) E|E/EDC|CDE has a hypoplastic line in the enamel surface, and E|E/E|E had enamel hypoplastic area.
4) The lower right second deciduous molar had three roots. Other teeth did not show anomalies of the roots and pulp chambers.
5) Myopathy face and excessive facial hight were recognized.
6) The palate showed a particular form.
7) Both of the crystalline size and lattice defects of the enamel of |E with hypoplasia were larger than those of the control, normal enamel.
