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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

Real-time 3-dimensional Dynamic Navigation System in Endodontic Microsurgery: A Cadaver Study.

Sara A Aldahmash¹, Jeffery B Price², Behzad Mostoufi³

¹Division of Endodontics, Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, MD; College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia.

Journal of Endodontics

|April 30, 2022

Summary

This summary is machine-generated.

The 3-dimensional dynamic navigation system (3D-DNS) improves accuracy and efficiency in endodontic microsurgery (EMS) for minimally invasive osteotomy and root end resection. This advanced navigation allows for precise root end cavity preparation and filling, reducing procedure times.

Keywords:

Dynamic navigation system endodontic microsurgery image guided root-end surgery technology

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Published on: October 18, 2021

Area of Science:

Dental Microsurgery
Surgical Navigation Technologies

Background:

Endodontic microsurgery (EMS) traditionally involves freehand techniques.
Minimally invasive osteotomy (MIO) and root end resection (RER) are key components of EMS.
Evaluating new technologies for improved accuracy and efficiency in EMS is crucial.

Purpose of the Study:

To assess the accuracy and efficiency of a 3-dimensional dynamic navigation system (3D-DNS) for MIO and RER in EMS.
To investigate the feasibility of root end cavity preparation (RECP) and root end fill (REF) using 3D-DNS guidance during MIO.

Main Methods:

A comparative study involving 48 cadaveric tooth roots, divided into 3D-DNS and freehand groups (n=24 each).
Pre- and post-operative cone-beam computed tomographic scans were utilized for analysis.
Outcome measures included virtual deviations, angular deflection, osteotomy dimensions, resection accuracy, RECP/REF viability, and procedural time.

Main Results:

The 3D-DNS group demonstrated significantly lower virtual deviations and angular deflection compared to the freehand group.
3D-DNS resulted in reduced osteotomy size and volume, and a lower resection angle.
RECP and REF were successfully completed in all cases, with REF depth averaging ~3 mm. Procedural times were significantly shortened with 3D-DNS.

Conclusions:

The 3D-DNS facilitates accurate and efficient EMS, particularly for MIO and RER procedures.
3D-DNS enables successful RECP and adequate REF within the context of MIO.
This technology shows promise for enhancing precision and reducing operative time in endodontic microsurgery.