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Eleven kittens of various ages were used to obtain teeth in situ at differing stages of exfoliation. The teeth were processed by routine techniques for examination by light and transmission electron microscopy. The dental hard tissues were eroded by odontoclasts supported by numerous blood vessels, fibroblasts, and macrophages. No evidence of intracellular(More)
Dentine of 27 permanent human teeth was examined by scanning electron microscopy. The teeth were incisors, canines, premolars and molars, ranging in age from 18 to 54 yr. Intratubular collagen was found in 65% of the dental tubules in inner dentine (closest to the pulp) with 16% of the tubules containing large collagen bundles occupying more than one-fifth(More)
An immunofluorescence technique was applied at the light microscope level to human third molar coronal dentin in order to localize the intracellular components tubulin, vimentin, and actin. Third molars were split immediately upon extraction, and immersed in periodate-lysine-paraformaldehyde fixative. The crowns were demineralized, dehydrated, and(More)
This fine structural study of the suture, its development, structure, and response to rapid expansion has shown that the sutural complex is best described in terms of the functional activity of two cell populations, namely, the osteocytic and fibrocytic series, which have the ability to remodel the tissues which they form. It is suggested that the previous(More)
The fine structure of mantle dentine formation has been studied in the mouse molar. No evidence was found for the presence of collagenous von Korff fibres arising from the dental papilla, passing between odontoblasts and fanning out to form the collagenous matrix of mantle detine. Instead, large collagen fibrils were first demonstrable in the matrix(More)