. Dental materia medica and therapeutics; with special reference to the rational application of remedial measures to dental diseases ... the sterilization of infected root many disadvantages of this treatment prevented its generalacceptance by the profession. As a means of relieving the hyper-sensitiveness of dentin it is much praised by some practitioners,while others claim that it is very uncertain in its action. Theblack discoloration prohibits its use for such purposes on the an- 1 Bethel: Ohio Dental Journal, 1896, No. 9. CAUSTICS. 197 terior teeth. For the cauterization of aph
. Dental materia medica and therapeutics; with special reference to the rational application of remedial measures to dental diseases ... the sterilization of infected root many disadvantages of this treatment prevented its generalacceptance by the profession. As a means of relieving the hyper-sensitiveness of dentin it is much praised by some practitioners,while others claim that it is very uncertain in its action. Theblack discoloration prohibits its use for such purposes on the an- 1 Bethel: Ohio Dental Journal, 1896, No. 9. CAUSTICS. 197 terior teeth. For the cauterization of aphthous growths in theoral cavity, the destruction of hypertrophic gum tissue and smalltumors, and for similar purposes, it is frequently a stimulating astringent and antiseptic, applied in various dilu-tions for the treatment of suppurative processes of the antrumand for so-called dry sockets, it deserves praise. Cravens laudsit as the ideal medicinal application in the treatment of clinical observations have unquestionably proved thatthe thorough impregnation of a carious defect with silver nitrate. Figure of Silver Nitrate on Living Dentin. Cervical cavity. (After Szabo.) checks the further progress of this disease. Preiswerck1 explainsthis phenomenon as follows: The favorable action of argenticnitrate on the course of caries may be explained by the insolublecombinations which it forms with the organic tooth substance,and thus withdrawing the nourishment from the bacteria. Wemay assume that the chemic process consists in the coagulationof the albumin and the formation of the albuminate of silver , since the animal tissues always contain sodiumchlorid, a chemic change occurs, in which the nitric acid of the 1 Preiswerck: Atlas and Text Book of Dentistry, 1906, p. 219. 198 PHARMACO-THERAPEUTICS. argentic nitrate combines with the sodium and the chlorin com-bines with the silver to form the insoluble silver chlorid: AgN03+
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