Clinico-radiological study of fifty cases of fibrous dysplasia in the jaw bones (original) (raw)
The purpose of this study was to report clinical and radioiogical findings of patients with fibrous dysplasia of the jaws. The subjects of this study were 50 patients with 54 lesions reported to have fibrous dysplasia at the faculty of Dentistry, Chulalongkorn University during 1971-1994. The clinical findings were retrospectively collected and the microscopic features were also confirmed. The ratio of men to women was 26:24 and the ratio of mandible to maxilla was 28:26. In 12 of all, swelling with tenderness or mild pain were noted. The most commonage group was from 16 to 25 years. Two lesions (3.7%) were early small lesions with a cyst like appearance. The calcification gradually increased with age : mottled in 14 (25.9%), orange peel in 3 (5.6%), and ground glass in 34 (63%). The characteristics of this disease were painless swelling, a ground glass appearance and thinning or fade down of cortical bone particularly the loss of the lamina dura in 40 lesions (74%) and the inferior border of the mandible in 20 lesions (71.4%). In the maxillary lesions, the maxillary sinus was partially involved in 7 (28.9%), and eompletly involved in 13 (50%). These maxillary lesions confined to only one site. In the mandibular lesions, there were 9 large lesions (32.1%), all of these crossed the symphysis. Mode of the expansions occurred in all directions in 31 lesions (57.4%), bucco-lingually in 13 (24.1%), and buccally in 7 (13%).
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