Research Article
In Vitro Comparison of Fluoride, Magnesium, and Calcium Phosphate Materials on Prevention of White Spot Lesions around Orthodontic Brackets
Table 1
Visual examination criteria used in the selection and assessment of teeth [
25].
| Score | Visual assessment criterion |
| 1 | No, or slight, change in enamel translucency after air-drying for 5 seconds | 2 | Opacity or discoloration hardly visible on the wet surface but visible after air-drying | 3 | Visible opacity or discoloration without air-drying | 4 | Localised enamel breakdown with opacity or greyish discoloration from the underlying dentin | 5 | Cavitation in opaque or discolored enamel exposing the dentin |
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