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Bilateral mandibular canines with type two canals.

S Nandini1, N Velmurugan, D Kandaswamy

  • 1Department of Conservative Dentistry, Meenakshi Ammal Dental College and Hospital, Chennai, Tamilnadu, India. nandini_80@hotmail.com

Indian Journal of Dental Research : Official Publication of Indian Society for Dental Research
|December 24, 2005
PubMed
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Mandibular canines often have two root canals, but this is frequently missed. Dentists should use multiple X-ray angles to detect extra canals during root canal treatments.

Area of Science:

  • Endodontics
  • Dental Anatomy
  • Radiology

Background:

  • The mandibular canine typically presents with a single root canal.
  • Root canal anatomy variations can complicate endodontic treatment.
  • Type II canal patterns involve a single canal leaving the pulp chamber, then dividing into two separate canals before exiting the apex.

Observation:

  • A significant percentage (approximately 15%) of mandibular canines exhibit a Type II canal pattern, meaning they possess two distinct root canals.
  • Despite this relatively high incidence, routine use of multiple angled diagnostic radiographs is not standard practice in many dental settings.
  • This anatomical variation necessitates careful radiographic interpretation to ensure complete diagnosis.

Findings:

  • The study emphasizes the critical role of multiple angled radiographs in accurately diagnosing root canal anatomy.

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  • Failure to identify the dual canal system can lead to incomplete root canal treatment and potential treatment failure.
  • A proactive diagnostic approach is essential for endodontic success.

    • Implications:

    • Dentists should adopt a higher index of suspicion for accessory canals in all root canal cases, particularly in mandibular canines.
    • Implementing routine multi-angled radiography protocols can improve diagnostic accuracy and treatment outcomes.
    • Enhanced understanding of root canal morphology is crucial for effective endodontic therapy.