Paresthesia can be a rare complication of infections of dental origin. This
article presents a case of anesthesia/paresthesia caused by a periapical i
nfection of the right mandibular second premolar. The sensory disturbance d
isappeared 2 weeks after conventional endodontic treatment associated with
antibiotic therapy. Twelve months later, the tooth was still asymptomatic.
The possible mechanisms responsible for paresthesia associated with periapi
cal infection are discussed.