. The science and practice of dental surgery. KiG. 427.—Diagram showing largo extent of cariousenamel iu smooth-surface cavities. (G. V. Black :Operative Dentistry.) but on its dentinal surface, where it is secondaryto that of the dentine. It is supposed that the acid generated by themicro-organisms penetrates the enamel moreeasilv in the direction of the fibres, since the. Fig. i2H.—ihotograph of a cross-soctiuii of a pre-molar, showing broad whitened areas of caries ofenamel on the approximal surfaces. (G. V. Black :Operative Dentistry.) decalcification is greater under the olderzoogloea for
. The science and practice of dental surgery. KiG. 427.—Diagram showing largo extent of cariousenamel iu smooth-surface cavities. (G. V. Black :Operative Dentistry.) but on its dentinal surface, where it is secondaryto that of the dentine. It is supposed that the acid generated by themicro-organisms penetrates the enamel moreeasilv in the direction of the fibres, since the. Fig. i2H.—ihotograph of a cross-soctiuii of a pre-molar, showing broad whitened areas of caries ofenamel on the approximal surfaces. (G. V. Black :Operative Dentistry.) decalcification is greater under the olderzoogloea formation in the centre of the opacjuespot than under the more recent i^eripheralportion. Owing to the softening of the dentineand to consec|uent secondary caries of enamel, ^iiiiiiiiiiiiiiiiiiiuiijDjjjjg- / ViiiSiJSSiiSilSffllli^Fig. 429.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
