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Related Experiment Video

Updated: Oct 10, 2025

A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
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A novel computer-aided method for direct measurements and visualization of gingival margin changes.

Marko Kuralt1,2, Aleš Fidler1,3

  • 1Department of Restorative Dentistry and Endodontics, University Medical Centre Ljubljana, Ljubljana, Slovenia.

Journal of Clinical Periodontology
|December 8, 2021
PubMed
Summary

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A new computer-aided method precisely measures gingival margin (GM) changes using digital models. This validated technique offers simple, non-invasive tracking of GM alterations for periodontal disease and root coverage procedures.

Area of Science:

  • Periodontology
  • Digital Dentistry
  • Biomedical Engineering

Background:

  • Gingival margin (GM) changes are critical indicators in periodontal health and treatment outcomes.
  • Accurate and objective measurement of GM changes is essential for effective clinical assessment.
  • Existing methods for GM measurement can be invasive or lack precision.

Purpose of the Study:

  • To introduce and validate a novel computer-aided method for direct measurement and visualization of gingival margin (GM) changes.
  • To assess the precision of the developed method through repeatability and reproducibility analyses.

Main Methods:

  • Digital model acquisition and superimposition.
  • Computer-aided detection of the gingival margin (GM).
  • Calculation of distances between GM curves and visualization of changes, evaluated with intra- and inter-operator variability and scan-rescan processes.
Keywords:
curvaturegingival margingingival recessionperiodontal diseaseprecisionsuperimposition

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Main Results:

  • The computer-aided GM detection demonstrated excellent repeatability with 0.00 mm variability for both intra- and inter-operator assessments.
  • Reproducibility of the GM detection on scan-rescan models was found to be 0.10 mm.
  • The method was successfully demonstrated on patients undergoing root coverage and periodontal disease treatment.

Conclusions:

  • The presented computer-aided method provides a simple, precise, and comprehensive approach for evaluating GM changes.
  • Non-invasive acquisition and superimposition of digital models facilitate accurate GM change assessment.
  • This validated method holds significant potential for clinical applications in periodontology.