Characteristics of Pain in Toothache

Finding

Common Causes

Pain only after stimulation, no lingering pain

Reversible pulpitis (dentinal pain)

Pain lingers after stimulation (may have unstimulated pain)

Irreversible pulpitis

No pain with stimulation

Pulp necrosis without apical periodontitis or abscess

Continuous pain (worse when chewing or percussed; easily localized)

Apical periodontitis or abscess