Notes on materia medica : pharmacology and therapeutics for dental students and practitioners / by Douglas Gabell and Harold Austen.

  • Gabell, Douglas (Douglas Phillimore)
Date:
1909
Catalogue details

Licence: In copyright

Credit: Notes on materia medica : pharmacology and therapeutics for dental students and practitioners / by Douglas Gabell and Harold Austen. Source: Wellcome Collection.

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    '22G Al’l’ENDIX. present, it will cause more or less iiillammation, at times leacliiicr to necrosis of the iaw and loss of the teeth. All these drugs are in part excreted from the mucous membrane, and leatl antimony andlnsmtith produce a blue or bluish-black line on the gums; copper may produce a greenish-blue line. These lines only occur round the teeth, and especially decayed or dirty teeth, and are apparently due to a precipitation of the metal in the tissue. Silver stains all the tissues when administered for a prolonged period. In Addison’s disease a delicate black line may appear on the gum. A lead line must not be mistaken for the tattooing ]3roduced by the use of charcoal as a tooth-powder. The latter always occurs in particularly cleanly mouths and healthy people. In the former, the mouth is very foul and the patient anmmic. A lead line Avill in time disappear—about three months under proper treatment.