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Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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Coronectomy: Partial Odontectomy or Intentional Root Retention.

M Anthony Pogrel1

  • 1Department of Oral and Maxillofacial Surgery, University of California San Francisco, Box 0440, Room C522, 521 Parnassus Avenue, San Francisco, CA 94143-0440, USA.

Oral and Maxillofacial Surgery Clinics of North America
|June 22, 2015
PubMed
Summary

Coronectomy, a dental procedure, is increasingly used for impacted lower third molars when close to the inferior alveolar nerve. Its short-term success is excellent, though long-term data is pending.

Keywords:
CoronectomyInferior alveolar nerveIntentional root retentionPartial odontectomyThird molarsWisdom teeth

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Imaging

Background:

  • Coronectomy is a surgical option for impacted lower third molars.
  • Risk of inferior alveolar nerve damage necessitates alternative techniques.

Purpose of the Study:

  • To evaluate the indications, methods, and outcomes of coronectomy.
  • To assess the role of cone-beam computed tomography in surgical planning.

Main Methods:

  • Review of coronectomy cases in patients with impacted lower third molars.
  • Utilizing cone-beam computed tomography to assess root proximity to the inferior alveolar nerve.
  • Analysis of short- to medium-term success rates.

Main Results:

  • Coronectomy is indicated in patients over 25 with high-risk molars, or younger patients at risk of nerve damage.
  • Cone-beam computed tomography aids in decision-making.
  • Excellent short- to medium-term success rates were observed.

Conclusions:

  • Coronectomy is a viable, increasingly accepted procedure for high-risk impacted lower third molars.
  • Further long-term studies are needed.
  • Standardization of indications and techniques is ongoing globally.