Knowledge catalog
ClassificationK04.0dentistry

Chronic Pulpitis — Classification

Prolonged, low-grade pulp inflammation progressing silently toward irreversibility

Classification

Closed Chronic Pulpitis

No communication with oral cavity; bacteria enter via tubules; commonly asymptomatic

  • Deep caries or large restoration
  • Minimal or no symptoms
  • Positive vitality testing
  • Radiographic calcifications may be present

Open Chronic Pulpitis

Communication with oral environment via carious exposure; polymicrobial infection

  • Visible carious exposure
  • Intermittent mild aching or no pain
  • Odor from tooth
  • Bacterial colonization of pulp

Hyperplastic Pulpitis (Pulp Polyp)

Proliferative variant; granulation tissue fills carious exposure and protrudes

  • Visible pink-red tissue mass in caries
  • Painless on light touch
  • Almost exclusively in children/young adults
  • Exuberant vascular supply required

Chronic Ulcerative Pulpitis

Open exposure with surface ulceration rather than proliferation

  • Surface necrosis of exposed pulp
  • Dull aching on food impaction
  • Gray-brown surface to pulp
  • Intermediate between open and necrotic