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Related Experiment Video

Updated: Jun 17, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

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Surgical approach to impacted mandibular third molars--operative classification.

Imad Abu-El Naaj1, Refael Braun, Yoav Leiser

  • 1Department of Oral and Maxillofacial Surgery, Rambam Medical Center, Haifa, Israel.

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
|December 25, 2009
PubMed
Summary

A new Third Molar Classification (TMC) system aids in planning impacted mandibular third molar extractions. This classification helps surgeons choose the best approach, reducing risks and improving outcomes for difficult cases.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Implantology
  • Surgical Anatomy

Background:

  • Impacted mandibular third molars pose significant surgical challenges.
  • Accurate classification is crucial for safe and effective extraction.
  • Existing classification systems may not fully address positional complexities relative to the mandibular canal.

Purpose of the Study:

  • To introduce a novel classification system, the Third Molar Classification (TMC), for impacted mandibular third molars.
  • To correlate specific TMC types with appropriate surgical approaches for extraction.
  • To provide a convenient and applicable method for surgical management of impacted mandibular teeth.

Main Methods:

  • Development of the Third Molar Classification (TMC) system with 3 major types and 1 subtype.

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Last Updated: Jun 17, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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Published on: August 15, 2025

  • Application of the TMC system to 9 high-risk impacted mandibular third molar cases.
  • Surgical extraction using sagittal split osteotomy for TMC IIb and extraoral approach for TMC III.

    • Main Results:

    • Successful implementation of the TMC system in managing deeply impacted mandibular third molars.
    • Minor, transient hypoesthesia occurred in 33% of cases using the extraoral approach, resolving spontaneously.
    • The classification effectively guided surgical approach selection.

    Conclusions:

    • The TMC system offers a valuable tool for treatment planning in mandibular third molar extractions.
    • This classification can assist oral and maxillofacial surgeons in decision-making.
    • Utilizing the TMC system may help mitigate risks associated with impacted third molar surgery.