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Published on: January 12, 2019
In vivo caries-like lesion prevention with argon laser: pilot study.
R J Blankenau1, G Powell, R W Ellis
1Creighton University, Omaha, Nebraska, USA.
Journal of Clinical Laser Medicine & Surgery
|January 22, 2002
Summary
Argon laser irradiation effectively reduced tooth demineralization in a clinical pilot study. This dental laser treatment showed a significant reduction in enamel demineralization, offering a promising new approach for tooth structure preservation.
Area of Science:
- Dental science
- Biophotonics
- Materials science
Background:
- Previous in vitro studies indicated argon laser irradiation's potential to mitigate demineralization.
- Understanding the in vivo efficacy of this photonic intervention is crucial for clinical application.
Purpose of the Study:
- To evaluate the in vivo effectiveness of argon laser irradiation in preventing tooth demineralization.
- To assess the clinical impact of laser treatment on preserving tooth structure.
Main Methods:
- A pilot clinical study utilized the Ogaard model to induce demineralization.
- Experimental teeth received argon laser irradiation (250 mW, ~12 J/cm2) before orthodontic banding.
- Demineralization was quantified using polarized light microscopy on sectioned, extracted teeth.
Main Results:
- A statistically significant 29.1% reduction in demineralization was observed in laser-treated teeth compared to controls.
- The findings support the hypothesis that argon laser irradiation can protect against demineralization in vivo.
Conclusions:
- Low-power argon laser irradiation demonstrates significant clinical efficacy in reducing tooth demineralization.
- This laser-based approach represents a viable method for enhancing tooth structure resistance to demineralization.

