MILK

Sugar content: approx 3 tsps (12g) natural lactose per 250ml Acidity level: Neutral (pH 6)

THERE was no change to the appearance of the tooth. Milk is a low to no-risk product for oral health, says Dr Atkins, because of its neutral pH level.

‘Most of us know that milk is good for our teeth and this experiment proves that fact,’ he says.

Decay potential 0/10