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Related Experiment Video

Updated: Dec 12, 2025

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

Dynamically Navigated versus Freehand Access Cavity Preparation: A Comparative Study on Substance Loss Using

Sameer D Jain¹, Madison W Saunders¹, Caroline K Carrico²

¹Department of Endodontics, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia.

Journal of Endodontics

|August 16, 2020

Summary

Dynamically navigated access preparations for root canals are faster and more precise, resulting in less tooth structure loss compared to traditional freehand methods in simulated calcified canals.

Keywords:

Access cavity Navident calcified canals dynamic navigation guided endodontics segmentation

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Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

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Related Experiment Videos

Last Updated: Dec 12, 2025

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

Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

Published on: May 24, 2022

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

Published on: July 21, 2014

Area of Science:

Endodontics
Dental Technology
Minimally Invasive Dentistry

Background:

Root canal access preparation is crucial for endodontic treatment success.
Calcified root canals present a significant challenge in locating the canal orifice.
Traditional freehand techniques may lead to increased tooth structure removal and procedural errors.

Purpose of the Study:

To compare the speed, precision, and tooth structure loss between freehand and dynamically navigated access preparation techniques.
To evaluate these techniques in simulated calcified root canals using 3D-printed teeth.

Main Methods:

Forty 3D-printed central incisors with simulated calcified canals were used.
Access preparations were performed using freehand and dynamically navigated techniques.
Postoperative cone-beam computed tomographic scans assessed qualitative precision and quantitative tooth structure loss.

Main Results:

Dynamically navigated accesses showed significantly less mean substance loss (27.2 vs 40.7 mm³).
Optimal precision was higher with dynamic navigation (75% vs 45%).
Dynamically navigated accesses were prepared significantly faster (2.2 vs 7.06 minutes).

Conclusions:

Dynamically navigated access preparations offer significant advantages over freehand techniques for locating simulated anterior calcified root canals.
This technique leads to reduced tooth structure loss and improved efficiency.
The findings suggest potential for enhanced precision and conservation in endodontic access preparations.