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Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities
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Novel method for augmented reality guided endodontics: An in vitro study.

Marco Farronato1, Andres Torres2, Mariano S Pedano3

  • 1Department of Biomedical, Surgical and Dental Sciences, School of Dentistry, University of Milan, 20100 Italy.

Journal of Dentistry
|March 11, 2023
PubMed
Summary
This summary is machine-generated.

This study shows augmented reality (AR) can accurately guide endodontic access cavity preparation in 3D-printed jaws. AR demonstrated promising results for guided drilling, suggesting potential clinical applications.

Keywords:
Augmented realityCone-beam computed tomographyGuided endodonticsMinimal invasive endodonticsVisual-inertial odometry

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Area of Science:

  • Dentistry
  • Medical Technology
  • Augmented Reality Applications

Background:

  • Accurate endodontic access cavity preparation is crucial for successful treatment.
  • Traditional methods can be limited by operator skill and visualization.
  • Novel technologies like augmented reality (AR) offer potential for improved guidance.

Purpose of the Study:

  • To evaluate the accuracy of a new markerless AR system for guided endodontic access cavity preparation.
  • To assess the system's performance across different tooth types (anterior, premolar, molar).

Main Methods:

  • Two operators performed AR-guided access cavities on 3D-printed jaw models.
  • Pre- and post-operative cone-beam computed tomography (CBCT) scans were used for analysis.
  • Deviations in entry points, angular accuracy, and surface overlap were compared to virtual plans.

Main Results:

  • Mean entry point deviation was 0.51 mm (anterior/premolars) and 0.63 mm (molars).
  • Mean angular deviation was 8.5° for anterior/premolars.
  • Surface overlap averaged 57% (anterior/premolars) and 82% (molars).

Conclusions:

  • The markerless AR system shows promising accuracy for guided endodontic access cavity preparation.
  • Results suggest potential for clinical integration, pending further research and in vivo validation.