Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 1012
rinding surface of thetooth ; and there is in suchteeth no continuous layer ofenamel over the crown. This arrangement provides by the unequal icear of these three sub-stances (of which the enamel is the hardest, and the cementum thesoftest) for the constant maintenance of a rough surface, adapted… … Fig. 697.—Vertical section of human molartooth : a, enamel; 6, cementum or crustapetrosa; c, dentine or ivory; osseousexcrescence arising from hypertrophy ofcementum; e, pulp-cavity; /, osseous lacuna-at outer part of dentine. 95° VEETEBEATED AM3IAL3 in the embryonic tooth : and he has further…
Microscopy
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