Table 1: Differential diagnosis between pulpal and periodontal pain.
|Acute Irreversible Pulpitis
|Pain is not always localized
||Pain is localized
|Acute pain: piercing, throbbing and intermittent
||Dull continuous pain. Uniform
|Pain sensitive to changes in temperature
||Pain not altered by changes in temperature
|Painful to percussion
||Not painful to percussion
|Altered vitality tests
||Normal vitality tests
Main features indicating final diagnosis of acute irreversible pulpitis and periodontal abscess.