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Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Published on: May 5, 2022

An experience of displaced third molar roots removed using computer-assisted navigation system.

Tomoki Kato¹, Takuma Watanabe¹, Kazumasa Nakao¹

¹Department of Oral and Maxillofacial Surgery, Graduate School of Medicine, Kyoto University, 54, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan.

Journal of Stomatology, Oral and Maxillofacial Surgery

|March 18, 2023

Summary

Displaced third molar root fractures can be surgically managed using computer-assisted navigation systems. This technology enhances safety and prevents complications like lingual nerve palsy during oral surgery.

Keywords:

Computer-assisted navigation system Extraction Floor of the mouth Third molar

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Last Updated: Aug 6, 2025

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

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Published on: May 5, 2022

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Published on: October 18, 2021

Area of Science:

Oral and Maxillofacial Surgery
Surgical Technology

Background:

Displacement of a third molar root is a rare surgical complication.
Computer-assisted navigation (CAN) systems offer advanced visualization for complex procedures.

Observation:

A 56-year-old male presented with a fractured mandibular third molar root displaced into the floor of the mouth.
Minimally invasive extraction of the displaced root was performed under general anesthesia using a CAN system.

Findings:

The computer-assisted navigation system enabled precise localization and safe removal of the displaced third molar root.
The procedure was completed without complications, including no lingual nerve exposure or postoperative sensory abnormalities.

Implications:

Computer-assisted navigation systems are valuable tools for enhancing safety and precision in oral and maxillofacial surgery.
This technology can effectively manage rare complications such as displaced third molar root fractures, minimizing patient risk.