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Related Experiment Videos

Rapidly progressing extracanal invasive resorption

E S Mock1, G K Wolff, D A Galvan

  • 1Hospital Dental Clinic, Fort Leonard Wood, Missouri, USA.

General Dentistry
|January 1, 1997
PubMed
Summary

Extracanal invasive resorption (EIR) is a dental condition originating in the cementum. It arises from periodontal ligament injury, pressure, or unknown causes, requiring specific classification.

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Area of Science:

  • Dentistry
  • Oral Pathology
  • Periodontology

Background:

  • Extracanal invasive resorption (EIR) is a dental condition that has been inconsistently classified.
  • This external resorption initiates in the cementum, adjacent to the periodontal ligament.

Observation:

  • This resorptive process originates in the cementum, adjacent to the periodontal ligament.
  • The lesion is an external resorption, distinct from internal resorption.

Findings:

  • EIR is hypothesized to be a response to injury or irritation of the periodontal ligament.
  • Potential triggers include ectopic eruption, orthodontic forces, intracoronal bleaching, and periodontal treatments.

Implications:

  • Clarifying the etiology of EIR aids in accurate diagnosis and classification.
  • Understanding EIR's origins can inform preventative and therapeutic strategies in dentistry.

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