Abstract
This clinical pilot study was conducted to investigate the effectiveness of argon laser irradiation to reduce demineralization or loss of tooth structure in vivo. In vitro research previously demonstrated the ability of argon laser irradiation to reduce demineralization or loss of tooth structure. 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 showed a 29.1% reduction in demineralization in the experimental teeth as compared to the bilateral control teeth. Low-power argon laser irradiation significantly reduced demineralization clinically.
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