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Extensive and coincident side branching of dentinal tubules

, : Extensive and coincident side branching of dentinal tubules. Anatomischer Anzeiger 152(2): 171-178

Slices of decalcified cat's canine teeth were impregnated with silver nitrate. The stain was taken up by the dentinal tubules. In sections 100 microns thick cut parallel to the long axis of the tooth, dark staining lines were seen running at right angles to the dentinal tubules. Examination at higher power and in thinner sections showed this appearance to be due to the coincident side branching of dentinal tubules. The side branches anastomosed and formed a series of lateral channels in the dentine. These channels may allow for the lateral spread of dentinal caries and of stimuli applied to the peripheral dentine.

Accession: 005432917

PMID: 6186161

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Related references

Mjor, I.A.; Nordahl, I., 1996: The density and branching of dentinal tubules in human teeth. Detailed knowledge of dentine structure, and especially that of the dentinal tubules, is essential in order to understand dentine permeability and to interpret data from investigations on dentine adhesive materials. The aim here was to examine the...

Vasiliadis, L.; Stavrianos, C.; Liolios, E., 1990: Examination of side dentinal tubules by the use of S.E.M. This research was undertaken in order to find information about the number and the fine structure of the side dentinal tubules and their junction area with the main dentinal tubules. Frozen structure dentine specimens from 60 human canines examine...

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Huang, G.F.; Guo, M.K., 1995: Changes of dentinal tubules following fluoride iontophoresis. Fluoride(F) iontophoresis is preferred over topical application to provide long lasting dentin desensitization. The purpose of this study was to evaluate the changes in dentinal tubules following fluoride iontophoresis under SEM observation. Teeth...

Holland, G.R., 1976: An ultrastructural survey of cat dentinal tubules. The extent of the odontoblast process, the distribution of intratubular nerve-like structures, and tubule dimensions, have been measured in cat dentine. The odontoblast process varies in extent throughout the tooth. At most levels it is limited to...

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