PDF: Orthodontic vs. Surgical Extraction in High-Risk Impacted Third Molars: Minimizing Inferior Alveolar Nerve Injury Risk



In oral and maxillofacial surgery, the extraction of deeply impacted mandibular third molars presenting close anatomical proximity to the Inferior Alveolar Nerve (IAN) remains one of the most critical challenges in clinical practice.

Direct neurovascular contact significantly escalates the risk of intraoperative mechanical compression, traction neuropathy, or permanent sensory loss, making preoperative risk stratification essential.


While traditional surgical extraction relying on extensive ostectomy and odontosection is the conventional approach, forced orthodontic extrusion has emerged as a conservative, two-stage alternative designed to migrate root apices away from the mandibular canal prior to removal.

Evaluating the true clinical efficacy of these contrasting strategies requires robust, prospective methodology.

This post examines a landmark randomized controlled trial designed to directly compare the incidence and recovery patterns of nerve injury following orthodontic versus traditional extraction of impacted lower third molars adjacent to the mandibular canal.


Furthermore, the study delivers an in-depth analysis of key prognostic variables—including patient age, gender, underlying systemic diseases, molar position, arch side, and radiographic impaction classification—providing evidence-based parameters to optimize surgical decision-making and patient safety.

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