Updated: Dec 18, 2018
Activated charcoal is porous and absorbent which makes it soak up substances. The activated charcoal toothpastes are thought to soak up stains on teeth leaving them whiter. However, frequent use may damage teeth -- leading to erosion of tooth enamel.
Activated charcoal is believed to absorb stains since it has been used in emergency rooms to absorb toxins in cases of poisoning/overdosing.
There are no long-term studies that provide proof for the benefits of activated charcoal in whitening the teeth and removing bad breath.
Dentists recommend that people who wish to try activated charcoal toothpaste start sparingly and with lots of caution.
If you do decide to use activated charcoal toothpaste, dentists agree that you should do so cautiously and sparingly. Brush with it no more than once every other week, and not for an extended period of time, even if your teeth feel normal.
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For further information or advice contact College Street Dental Centre in Petersfield, Hampshire on 01730 263180