Pericoronitis (from the Greek peri, `around`, Latin corona `crown` and -itis, `inflammation`) also known as operculitis, is inflammation of the soft tissues surrounding the crown of a partially erupted tooth, including the gingiva (gums) and the dental follicle. The soft tissue covering a partially erupted tooth is known as an operculum, an ...
infection of the tissue overlying a partially erupted tooth. Treatment involves keeping this tissue clean and free of bacteria.
Inflammation of the gingiva surrounding the crown of a tooth. ... (12 Dec 1998) ... 
An inflammation of the gum tissue around the crown of a tooth, usually the third molar.
Type: Term Pronunciation: per′i-kōr′ŏ-nī′tis Definitions: 1. Inflammation around the crown of a tooth, usually one that is incompletely erupted into the oral cavity.