Intraoral dental sinus
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Intraoral dental sinus (also termed a parulis and commonly, a gumboil) is an oral lesion characterized by a soft erythematous papule (red spot) that develops on the alveolar process in association with a non-vital tooth and accompanying dental abscess. A parulis is made up of inflamed granulation tissue.
Less commonly, dental infections drain onto the surface of the skin, forming a cutaneous sinus of dental origin.
This condition is often resolved by endodontic treatment and does not have indication for antibiotic use. This is a common mistake among health professionals.
- Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.
- Delgado, António HS; Codorniz, Maria Carolina; Almiro, Matilde; Pinheiro de Melo, Teresa; Caixinha, Mariana (2016). Why You Should Not Prescribe Antibiotics for Dental Sinus Tracts. Journal of Dental Sciences. http://www.rroij.com/open-access/why-you-should-not-prescribe-antibiotics-for-dental-sinus-tracts-a-short-overview-.pdf
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