Acute dentagra. Spontaneously arising attacks of a pain in a tooth, quite often irradiating in an ear or a temple, are bound in an inflammation of a pulp. The constant localized in the field of one tooth a pain, quite often pulsing, amplifying from a touch to a tooth, is bound to an inflammation about apical tissues. The acute dentagra can be caused and illness of a periodontium, which exacerbation are accompanied by formation of periodontal abscesses.