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In vivo caries-like lesion prevention with argon laser: pilot study
R J Blankenau1, G Powell, R W Ellis
1Creighton University, Omaha, Nebraska, USA.
Objective:
This clinical pilot study was conducted to investigate the effectiveness of argon laser irradiation to reduce demineralization or loss of tooth structure in vivo.
Summary Background Data:
In vitro research previously demonstrated the ability of argon laser irradiation to reduce demineralization or loss of tooth structure.
Methods:
Using the Ogaard model of producing demineralization, the experimental teeth were irradiated with argon laser of 250 mW (producing approximately 12 J/cm2) prior to banding. Polarized light evaluation of the sectioned, extracted teeth was used to determine the amount of demineralization.
Results:
Results showed a 29.1% reduction in demineralization in the experimental teeth as compared to the bilateral control teeth.
Conclusion:
Low-power argon laser irradiation significantly reduced demineralization clinically.
