General and dental pathology with special reference to etiology and pathologic anatomy; a treatise for students and practitioners . Fig. 98.—A field of dentinal tubules. At a, b, and c individual tubules are plainly Fig. 99.—Transverse section of dentin. The dentinal tubules are cut somewhat diagonally. 230 DENTAL PATHOLOGY the odontoblastic layer of the pulp; of a matrix, the dentin matrix, or substance occupying the spaces between the tubules; and of thesheaths of Newman, which may be sheaths of the fibrillae lying inapposition with the tubular wall or a substance more resistingto
General and dental pathology with special reference to etiology and pathologic anatomy; a treatise for students and practitioners . Fig. 98.—A field of dentinal tubules. At a, b, and c individual tubules are plainly Fig. 99.—Transverse section of dentin. The dentinal tubules are cut somewhat diagonally. 230 DENTAL PATHOLOGY the odontoblastic layer of the pulp; of a matrix, the dentin matrix, or substance occupying the spaces between the tubules; and of thesheaths of Newman, which may be sheaths of the fibrillae lying inapposition with the tubular wall or a substance more resistingto acids than the dentin matrix, and located immediately outsidethe tuhuli. The substance which makes up the sheaths of New-man is probably elastin, soluble only in concentrated acids orcaustic alkalies, but digestible by bacterial ferments. Dentin is hard, though elastic, usually of a yellowish whitecolor and of a slight degree of translucency. In the crown por-tion of the dentin the tubuli run a wavy course from the dento-enamel junction to the walls of the pulp chamber, and beingdisposed everywhere in a more or less perpendicular directionto the external surface of the tooth, radiate in various the roo
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpathology, bookyear19
