Bone charactristics in monostotic fibrous dysplasia of the jaw bone.

概要

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This study investigated the histological features of bone tissue in monostotic fibrous dysplasia. The materials were obtained from four cases of fibrous dysplasia of the jaw. Two cases involved the lower jaw and two were maxillary. Tissue sections were prepared and observed by the following methods. Thin, ground, undecalcified sections were viewed by U.V. light microscopy and contact micrography. Sections stained by Cole's H-E were observed by light microscope. The following results were obtained. 1) In two cases, the majority of lesions were composed of lamellated bone and in the other two cases, the majority of the lesions were composed of woven bone. 2) In the cases where lesions were composed of lamellated bone, osteoids and osteoblastic rimming were observed on the margin of the trabeculae. 3) In the cases where lesions were composed of woven bone, osteoids and osteoblastic rimming were found in one case only. These findings suggested that bone maturation lack is not the only factor involved in monostotic fibrous dysplasia of the jaws.
社団法人日本口腔外科学会の論文