Comparison of enamel surface roughness and color alteration
This split-mouth randomized clinical trial aimed to compare the enamel surface roughness (SR) and color alteration after bracket debonding and polishing using 2 systems.

After removal of excess adhesive using a 12-blade tungsten carbide bur on a low-speed handpiece, a randomized polishing procedure using Sof-Lex discs was applied on 1 side and Sof-Lex Spiral Wheels on the contralateral side. Dental replicas were obtained with epoxy resin before bracket bonding and after tooth polishing. The SR was evaluated using a profilometer. The color was assessed using an Easyshade spectrophotometer before bracket bonding, immediately after tooth polishing, and 30 days after polishing.

The SR of enamel showed similar results between the polishing systems and between moments (before bracket bonding and after tooth polishing). The color change was also similar between the polishing systems.

The Sof-Lex discs and Sof-Lex Spiral Wheel polishing systems used after removal of excess adhesive using a 12-blade tungsten carbide bur on a low-speed handpiece did not appear to significantly damage the enamel surface, and the color change was similar between them.

American Journal of Orthodontics & Dentofacial Orthopedics
Source: https://doi.org/10.1016/j.ajodo.2020.06.039
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