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Related Experiment Video

Updated: Apr 21, 2026

Dynamic Navigation for Dental Implant Placement
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Implant Deviation Assessment in Static and Dynamic Guidance: An In Vitro Study.

Charbel Kachouh1, Stephanie Mrad1, Ronald Younes1

  • 1Department of Oral Surgery, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, LBN.

Cureus
|April 20, 2026
PubMed
Summary
This summary is machine-generated.

This in vitro study found dynamic guidance showed higher coronal and vertical deviations than static guidance for dental implant placement accuracy. Overall accuracy remained comparable, but clinical validation is needed.

Keywords:
accuracycomputer-assisted surgerydental implantsurgical navigation systemsthree-dimensional printing

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Area of Science:

  • Dental Implantology
  • Surgical Navigation Technologies
  • Biomedical Engineering

Background:

  • Accurate dental implant placement is crucial for successful outcomes.
  • Static and dynamic guidance systems offer different approaches to improve surgical precision.
  • Evaluating the comparative accuracy of these guidance methods is essential for clinical decision-making.

Purpose of the Study:

  • To compare the implant placement positioning accuracy between static and dynamic guidance systems.
  • To quantify 3D, 2D, and volumetric deviations of placed implants against a planned reference position.
  • To assess the clinical applicability of static versus dynamic guidance in simulated single-tooth edentulism.

Main Methods:

  • An in vitro study using 20 resin models with simulated single-tooth edentulism.
  • Implant planning performed using cone-beam computed tomography (CBCT) and specialized software.
  • Random assignment of models to static guidance (PMMA templates) or dynamic guidance (X-Guide navigation system).
  • Post-placement deviation analysis using surface scans and specialized software (Geomagic Control X, Blender).

Main Results:

  • Dynamic guidance exhibited statistically significant higher 3D coronal, coronal linear, coronal vertical, and apical vertical deviations compared to static guidance.
  • No statistically significant differences were found in 3D apical deviation, apical linear deviation, angular deviation, or overall accuracy percentage.
  • Both static and dynamic guidance demonstrated comparable global implant deviation and accuracy percentages.

Conclusions:

  • Static guidance demonstrated superior accuracy in coronal and vertical positioning compared to dynamic guidance in this in vitro setting.
  • While specific deviations were higher with dynamic guidance, overall accuracy was similar between the two methods.
  • Limitations include the absence of bone density and gingival tissue simulation, necessitating further clinical studies for broader applicability.