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Updated: May 7, 2026

A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
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Laser gingival retraction: a quantitative assessment.

Vamsi Krishna Ch1, Nidhi Gupta, K Mahendranadh Reddy

  • 1Senior Lecturer, Department of Dental, Sri Sai College of Vikarabad - 501101, India .

Journal of Clinical and Diagnostic Research : JCDR
|October 3, 2013
PubMed
Summary

Diode lasers effectively achieve significant gingival retraction, averaging over 399 micrometers. This laser-assisted method provides optimal results for dental crown and bridge procedures with subgingival finish lines.

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Area of Science:

  • Dental materials science
  • Laser dentistry

Background:

  • Proper gingival retraction is crucial for the success of crowns and bridges with subgingival finish lines.
  • Lasers offer a method to achieve effective gingival retraction with positive clinical outcomes.

Purpose of the Study:

  • To quantitatively assess the lateral gingival retraction achieved using diode lasers.
  • To evaluate the efficacy of diode lasers in preparing teeth for restorative procedures.

Main Methods:

  • The study involved 20 patients requiring crowns after root canal treatment.
  • Gingival retraction was performed on 20 teeth using diode lasers, followed by elastomeric impressions.
  • Models were sectioned, and lateral gingival retraction was measured in microns using a tool maker's microscope.
Keywords:
Finish LineGingival RetractionLasers

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Main Results:

  • Mean lateral gingival retraction values were recorded as 399.5 μm (mid buccal), 445.5 μm (mesio buccal), and 422.5 μm (disto buccal).
  • These measurements indicate substantial and consistent retraction across different regions of the tooth.

Conclusions:

  • Diode laser application resulted in gingival retraction values close to the thickness of the sulcular epithelium.
  • The achieved retraction exceeded the minimum requirement of 200 μm, demonstrating the clinical effectiveness of diode lasers for this purpose.