Tooth germs of first molars from fourto six-day old mice were transplanted heterotopically into the connective tissue under the dorsal skin of adult syngeneic recipients. The fate of the transplants was studied by histologic staining, vital staining with procion dyes, and autoradiography. Together these methods provided the following picture of the development of the transplant. Extraction of t...

The dentin dysplasias (DD), which may be classified as type I (DD1) or type 2 (DD2), form a group of rare, inherited abnormalities that are clinically distinct from dentinogenesis imperfecta. Studies of affected families may help to distinguish different types of DD and provide further insight into their etiology and clinical management. This report describes a family that showed characteristic...