Pyorrhoea alveolaris and its relations to general medicine / by John Fitzgerald.

  • Fitz-Gerrald, John.
Date:
[1900?]
Catalogue details

Licence: In copyright

Credit: Pyorrhoea alveolaris and its relations to general medicine / by John Fitzgerald. Source: Wellcome Collection.

    14/100 (page 6)
    Professor Pierce, who in a paper published in the ‘Dental Practitioner ’ in April, 1894, enunciated the theory that pyorrhoea was nearly always a local expression of a constitutional diathesis, and that the mechanism of its causation was some morbid con- stituent of the blood, which exuded and infiltrated the alveolo-cemental membrane, the effect of this being to set up a pericemental irritation commencing at or near the apical extremity of the root; and he considers it proved that this irritating material is of a gouty nature, from the fact that as the result of a series of chemical analyses made by him, the con- cretions which in these cases are found on the I’oots near the apices, were found to consist largely of uric acid and urates. As against his theory it has been argued by Burchard and others, that the deposit could not take place upon the root of the tooth except from the lining membrane of the alveolus, since this is in contact with the tooth and practically attached to it. Talbot also (f Dental Cosmos/ vol. xxxviii, p. 310) undertook a series of experiments, and only found