Disclosing tablets

Disclosing tablets are chewable tablets used to make dental plaque visible.

Unicolor plaque disclosing tablet
Tricolor plaque disclosing gel - before and after

The tablets, sold over the counter in many countries, contain a dye (typically a vegetable dye, such as Phloxine B) that stains plaque a bright color (typically red or blue). After brushing, one chews a tablet and rinses. Colored stains on the teeth indicate areas where plaque remains after brushing, providing feedback to improve brushing technique. For self-examination, a dental mirror may be needed. More sophisticated varieties contain several dyes, which selectively stain plaque of different ages. With the most common variety, immature plaque stains red, mature purple, and pathological acidic plaque blue. This is owing to the blue dye washing off immature plaque, and acid degrading the red dye. This is commonly used by those undergoing orthodontic treatments to prevent plaque build up in areas which are harder to brush. [1][2]

An example of a dye with a patented use as a "Dental Plaque Disclosing Agent" is Erythrosine.[3]

References
  1. "WebMD". Retrieved August 19, 2010.
  2. "Plaque disclosing tablets". Retrieved August 19, 2010.
  3. CA 953624
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