Citation, DOI, disclosures and article data
Citation:
Knipe H, Pericoronitis. Reference article, Radiopaedia.org (Accessed on 26 Mar 2025) https://doi.org/10.53347/rID-71562
Pericoronitis is the inflammation of the tissues around the crown of a partially erupted tooth.
Pathology
Pericoronitis most commonly occurs around the third mandibular molars. It initially manifests as a localised gingivitis, can extend into the alveolar bone and may progress to a head/neck deep space abscess 1,2.
Radiographic features
CT
- thickening and enhancement of gingival tissues adjacent to a partially erupted tooth
- widened follicular space
- adjacent bone sclerosis
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1. Rafael M. Loureiro, Erica A. Naves, Rafael F. Zanello, Daniel V. Sumi, Regina L. E. Gomes, Mauro M. Daniel. Dental Emergencies: A Practical Guide. (2019) RadioGraphics. 39 (6): 1782-1795. doi:10.1148/rg.2019190019 - Pubmed
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2. Meir H. Scheinfeld, Keivan Shifteh, Laura L. Avery, Harry Dym, R. Joshua Dym. Teeth: What Radiologists Should Know. (2012) RadioGraphics. 32 (7): 1927-44. doi:10.1148/rg.327125717 - Pubmed
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