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Updated: Jun 24, 2025

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System
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Does dynamic navigation system preserve more dentine? - A systematic review.

Akshayraj Langaliya1, Selvakumar Kritika2, Aarshvi Shah1

  • 1Department of Conservative Dentistry and Endodontics, AMC Dental College and Hospital, Ahmedabad, Gujarat, India.

BMC Oral Health
|June 10, 2024
PubMed
Summary

The dynamic navigation system (DNS) aids in preserving tooth structure during endodontic access cavity preparation. This systematic review suggests DNS offers superior precision and efficiency compared to freehand techniques, minimizing dentin removal.

Keywords:
Access cavity preparationAccuracyDentin preservationDynamic navigation systemFree handStatic guided endodontics

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Area of Science:

  • Endodontics
  • Dental Technology
  • Minimally Invasive Dentistry

Background:

  • Endodontic access cavity preparation aims to locate root canals while preserving tooth structure.
  • Traditional freehand techniques and static guided endodontics present challenges in precision and dentin conservation.

Purpose of the Study:

  • To conduct a systematic review comparing dentin removal during endodontic access cavity preparation using freehand, static guided, and dynamic navigation systems (DNS).

Main Methods:

  • A systematic review following PRISMA 2020 guidelines was performed.
  • Searched PubMed, Scopus, and Embase databases for studies comparing DNS with freehand and static guided endodontics.
  • Assessed risk of bias using a modified Joanne Briggs Institute checklist; quantitative meta-analysis was not feasible due to data heterogeneity.

Main Results:

  • Five articles qualified for full-text analysis after initial screening of 174 retrieved articles.
  • Risk of bias analysis indicated only two studies met criteria for evaluating dentin preservation.
  • These studies demonstrated that DNS significantly enhanced precision, accuracy, and efficiency in locating canals, leading to maximal tooth structure preservation compared to freehand methods.

Conclusions:

  • Limited evidence suggests dynamic navigation systems (DNS) maximize dentin preservation during endodontic access cavity preparation.
  • Further in vitro and in vivo studies are necessary to validate DNS efficacy for clinical application.