[Dental Surgery 1896].

Date:
[1896?]
Catalogue details

Licence: Public Domain Mark

Credit: [Dental Surgery 1896]. Source: Wellcome Collection.

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    Toothache may arise from an unhealthy condition of any of the dental tissues, thus we may have :— {a) Of the pulp— (1) —Irritation. (2) —(a) Acute inflammation. • [h) Chronic inflammation. ip) Of the periosteum— (1) —(a) Acute inflammation. (b) Chronic inflammation. (2) —(a) Alveolar abscess. ih) Diffuse cellulitis. (c) Of the cementum— (1) —Irritation. (2) —Exostosis. Irritation of the Dental Pulp.—-The irritation may be either protective or destructive, according to its nature and intensity, resulting in increased calcifi- cation in one case, or inflammation in the other. The susceptibility of the pulp to irritation varies greatly in different individuals, but usually decreases as age advances. It may arise from caries, the pressure of a filling on a floor of softened dentine, thermal changes conducted by a metallic filling, ex- posure of dentine from attrition or erosion, fracture, &c. Protective.—If the irritation be long continued but slight in intensity, a protective formation of secondary dentine may occur. Secondary dentine may be found as :— (a) Nodules or stones; these little bodies are, however, often present in pulps where no history of