Photographs data for Clinical performance of light-cured orthodontic adhesives for bonding brackets – an in-vitro study.
Scaled digital pictures of each bracket base were photographed using Canon DSLR 1500 D camera with a 100mm macro lens to take high-resolution photos needed to score ARI . Standardized images of the bases were taken at a distance of 30 cm and an angle perpendicular bracket base, with particular attention to ensuring that each image depicts the whole bracket base and any residual adhesive. The photos were loaded onto the computer and given arbitrary numbers before being saved as digital photographs in the JPEG file format; following this, the base of the brackets with residual adhesive was scanned. An automated count of the number of pixels was performed to compute the ARI percentages using Photoshop software (Adobe Systems inc, Mountain View, calif). This software program automatically calculated the bracket base's adhesive residual surface area percentage.
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Based on this surface area percentage of residual adhesive, the teeth were assigned a score with Artun, and Bergland assessed the ARI on a 4-point scale. The ARI scale states that a score of 0 on the ARI index signifies the absence of adhesive on the enamel. A score of 1 indicates less than 50% of the adhesive remains, and a score of 2 indicates that more than 50% stays on the enamel. Meanwhile, a score of 3 on the ARI index is given when the entire adhesive remains on the enamel.