What is pericoronitis?
Pericoronitis is inflammation of the soft tissues surrounding the crown of a partially erupted tooth, most commonly a wisdom tooth. It occurs when bacterial plaque and food debris accumulate beneath the flap of gum covering the partially erupted tooth. Inflammatory edema, often complicated by trauma from the opposing tooth, leads to swelling of the flap, pain, tenderness, and a bad taste caused by pus oozing from beneath the flap. Inability to open the mouth fully can occur. In severe cases, the oral airway can be compromised.
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