Knowledge catalog
ClassificationK04.0dentistry

Acute Pulpitis — Classification

Reversible and irreversible inflammatory conditions of the dental pulp

Classification

Reversible Pulpitis

Mild inflammation; pulp can recover after removal of causative stimulus.

  • Pain only to stimulus (cold, sweet)
  • Pain resolves within seconds of stimulus removal
  • Normal periapical radiographic findings
  • Responds to vitality testing

Irreversible Pulpitis — Symptomatic

Severe inflammation with spontaneous pain; pulp cannot recover.

  • Spontaneous, severe, throbbing pain
  • Pain lingers >30 seconds after stimulus removed
  • Pain disturbs sleep
  • Difficult to localize pain

Irreversible Pulpitis — Asymptomatic

Pulp is irreversibly inflamed without symptomatic pain.

  • No spontaneous pain
  • May have minimal sensitivity
  • Often found incidentally on radiograph
  • Internal resorption may be present