A text-book of dental histology and embryology, including laboratory directions . The increased appreciation of theextent of disintegration of the enamel before an actualcavity is apparent in a tooth has been one of the mostimportant results of Dr. Blacks study of caries of the enamelin the last ten years. The author has been intimatelyassociated with this work, and has been amazed at the extent PROGRESS OF CARIES 149 and character of the effect of caries upon the structure of theenamel in what may be called the early stages of the of Caries.—A colony of bacteria becomes attac
A text-book of dental histology and embryology, including laboratory directions . The increased appreciation of theextent of disintegration of the enamel before an actualcavity is apparent in a tooth has been one of the mostimportant results of Dr. Blacks study of caries of the enamelin the last ten years. The author has been intimatelyassociated with this work, and has been amazed at the extent PROGRESS OF CARIES 149 and character of the effect of caries upon the structure of theenamel in what may be called the early stages of the of Caries.—A colony of bacteria becomes attachedto the proximal surface of an incisor just to the gingival ofthe contact point, and remains there some time. If thesurface of the tooth can then be examined, a white spot willbe seen at Fig. 115; the area appears white because thecementing substance has been removed from between theenamel rods, as will be seen later, and the air that occupiesthe spaces diffuses the light. If a tooth is split throughsuch a spot and viewed from the surface, the appearance Fig. 115 Fig. 116.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectteeth, bookyear1912
