A patient experiences pain and some
gingival swelling in the anterior segment
of the mandible. The mandibular lateral
incisor has a shallow restoration, is tender
to percussion and gives a positive
response to the electric pulp tester. There
is some mobility. The most likely
diagnosis is

1 explanations

1. 

   oneguy

   A lateral periodontal abscess is a result of rapidly-growing bacteria within a periodontal pocket. Pain characteristics of a lateral periodontal abscess are very similar to those acute periapical periodontitis. The pain is continuous, and well localized and is exacerbated by biting on the affected tooth. The swelling is usually located more coronally than in acute periapical lesions. The tooth is sensitive to percussion and may be mobile and slightly extruded. The tooth pulp is usually vital.

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