A Handbook of Dental Pathology

A Handbook of Dental Pathology

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ...enamel of the teeth. "The different action of acids upon the different tissues of the teeth is explained.by the presence of Variable proportions of organic substances which enter into the composition of the enamel, the dentine, and the cement. "After having established that acids of the most various kinds attack the teeth, it behooves us to inquire what are the acids which take part in the caries of the teeth, and how they get in the mouth. We know that acids are always introduced into the mouth with our food and drink. Acetic acid is associated with great numbers of viands as a condiment; malic, citric and tartaric acids are found in different kinds of fruit, and in the drinks which are made from them; oxalic acid is found in certain plants; lactic acid in sour milk, etc. We have moreover pharmaceutic remedies which contain mineral acids and their acid ethers; then tannin, some salts, alum for instance, are able to attack the wteeth. All these substances may easily bring on caries or contribute to hasten its progress; but we think that the acid formed in the mouth as the result of decomposition, or those which are found in the buccal secretions, play in this manner a much more important part. As far as we know the veritable nature of the acids found in the mouth has not yet been demonstrated by any direct experiment, nevertheless, it is generally thought to be lactic acid, and this opinion has greater probabilities in its favor." The disease may at times appear upon the surface of the cementum, when this is exposed by recession of Leber & Rettenstein. Translated by Thos. H. Chandler, D._M.D. the gum or other causes, but by far the most frequent seat of origin of the carious process is the enamel surface of the crown...
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Product details

  • Paperback | 78 pages
  • 189 x 246 x 4mm | 154g
  • United States
  • English
  • black & white illustrations
  • 1236831411
  • 9781236831415