Crown-Root Fracture (Complicated): Findings, Treatment & Trauma Assessment Example

Definition: A fracture involving enamel, dentin, cementum, and pulp.

Clinical Findings:

  • Crown fragment attached to the root; visible pulp exposure with possible bleeding.
  • Pain, tenderness on biting, and sensitivity to temperature changes.

Radiograph:

  • Assess fracture extent and proximity to the pulp.
  • Evaluate root involvement and apical health.

Treatment:

  • Remove loose fragments.

Vital pulp (open apex):

  • Perform partial pulpotomy with calcium hydroxide or MTA.
  • Restore with composite or crown after gingival adjustment if necessary.
  • Non-vital pulp (closed apex):
    • Perform root canal therapy.
    • Restore with definitive restoration (e.g., crown).
  • If fracture is subgingival, consider orthodontic extrusion or surgical crown lengthening.

Follow-Up:

  • 6-8 weeks: Monitor for pulp healing and restoration stability.
  • 1 year: Evaluate root health and healing.

Based on IADT guidelines. (Dent Traumatol 2012;28:2-12)

Clinical Note: Dental Trauma Assessment Crown-Root Fracture (Complicated) Example

Chief Complaint: ______________________________

History of Trauma

  • Date and Time: ______________________________
  • Location of Injury: ___________________________
  • Mechanism of Injury: (e.g., fall, sports, accident): ____________________________
  • Initial Care Provided: ________________________

Medical History

  • Allergies: _________________________________
  • Medications: ______________________________
  • Tetanus Status: ___________________________
  • Relevant Medical History: ______________________

Dental History

  • Previous Dental Injuries: ___________________________

Intraoral Findings

Soft Tissues:

  • Lacerations: Minor lacerations noted on the labial gingiva adjacent to tooth #8.
  • Bleeding: Localized gingival bleeding near the fracture site.
  • Swelling: Mild swelling noted around the affected area.

Tooth Findings:

  • Tooth #8:
    • Fracture: Crown-root fracture involving enamel, dentin, cementum, and pulp exposure.
    • Mobility: Coronal fragment showed moderate mobility.
    • Displacement: No significant displacement of the coronal fragment.
    • Percussion: Tender to percussion.
    • Sensitivity Testing (cold, electric pulp test): Negative response.

Radiograph

  • Periapical and CBCT Imaging:
    • Fracture line extending obliquely from the crown into the coronal portion of the root, involving the pulp chamber.
    • No evidence of apical or root fractures beyond the coronal segment.
    • Periodontal ligament space appeared intact apically.

Plan

Immediate Management:

  1. Fragment Management:
    • The mobile coronal fragment was carefully removed to prevent further trauma.
  2. Pulp Therapy:
    • Partial pulpotomy with calcium hydroxide or MTA was performed to preserve pulp vitality in an open apex.
    • For a closed apex, complete pulpectomy/root canal treatment was initiated to address pulp necrosis.
  3. Temporary Restoration:
    • Covered the exposed dentin with a glass ionomer dressing to prevent bacterial contamination and reduce sensitivity.
  4. Definitive Restoration Plan:
    • Planned for crown lengthening or orthodontic extrusion to expose sufficient tooth structure for a definitive restoration.
    • Definitive restoration (e.g., composite crown or porcelain crown) to be placed after sufficient healing and root therapy.
  5. Oral Hygiene:
    • Advised meticulous oral hygiene with gentle brushing to avoid bacterial contamination.
    • Recommended chlorhexidine rinse (0.12%) twice daily for 1 week to aid healing.
  6. Medications:
    • Recommended ibuprofen 400-600 mg every 6-8 hours as needed for pain management.
    • Antibiotics prescribed if signs of infection or significant soft tissue damage are present.

Follow-Up Schedule:

  • 2 Weeks: Reassess soft tissue healing and evaluate pulp therapy progress.
  • 4-6 Weeks: Plan for definitive restoration after root therapy and gingival healing.
  • 3-6 Months: Radiographic and clinical monitoring for resorption or healing complications.
  • 1 Year: Evaluate the stability of the definitive restoration and ensure periodontal health.

Warning About Risks Associated with Dental Trauma

Complicated crown-root fractures involving pulp carry risks such as pulp necrosis, root resorption, and periodontal complications. Regular follow-ups and prompt reporting of symptoms like pain, mobility, or discoloration are critical to ensure successful outcomes.

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