Principles and practice of operative dentistry . Fig. 288.—Transverse section of human dentin, showing pipe-stem appearance of infected dentinaltubules. (Tomes.). Fig. 289.—Transverse section of dentinal tubules. (V. A. Latham.) X The dark tubules show-infection with micro-organisms and the pipe-stem appearance described by Tomes. DENTAL CARIES. 159 while others will seem to be only slightly affected. Walkhoff declares thedentinal tubuli are regularly enlarged, and that the varicosities appearingat irregular intervals are occasioned by the drying of the specimen. Upon further examinatio


Principles and practice of operative dentistry . Fig. 288.—Transverse section of human dentin, showing pipe-stem appearance of infected dentinaltubules. (Tomes.). Fig. 289.—Transverse section of dentinal tubules. (V. A. Latham.) X The dark tubules show-infection with micro-organisms and the pipe-stem appearance described by Tomes. DENTAL CARIES. 159 while others will seem to be only slightly affected. Walkhoff declares thedentinal tubuli are regularly enlarged, and that the varicosities appearingat irregular intervals are occasioned by the drying of the specimen. Upon further examination with higher powers of the microscope it willbe discovered that the tubuli in the superficial, softened, and decalcifieddentin are filled with bacterial forms, cocci, rods, and threads, the coccusforms predominating. Fig. 277 shows a single tubule filled with cocci; Fig. 278, one filled withrods. Fig. 279 shows a mixed infection of cocci, diplococci, short andlong rods, or infection with a pleomorphous bacterium (polymorphous).Fig. 280 shows several tubules in decaying dentin filled with a mixed in-fection of cocci and bacilli, while Fig. 281 shows a lo


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1901