What condition is characterized by acute bacterial infection of soft tissues due to a partially erupted tooth?

Pericoronitis is characterized by an acute bacterial infection of the soft tissues surrounding a partially erupted tooth, typically the third molars or wisdom teeth. This condition occurs when there is an accumulation of food debris and bacteria under the flap of gum tissue that can form around the partially erupted tooth, leading to inflammation, swelling, and pain.

The symptoms often include localized pain, swelling, difficulty chewing, and sometimes discharge of pus from the infected area. It is important to address pericoronitis promptly, as recurrent infections can lead to more severe complications.

Other conditions listed do not accurately describe the specific circumstance of an infection related to a partially erupted tooth. For instance, a dental abscess refers to a localized collection of pus in the tooth or surrounding tissues that can arise from various causes, including untreated dental caries or periodontal disease. Periodontitis is a more systemic inflammatory response affecting the supporting structures of the teeth due to plaque accumulation over time, while gingivitis refers to inflammation of the gums primarily due to poor oral hygiene, and is not specifically linked to the eruption or position of teeth.