And it states that eating acidic foods, such as some fruits and juices, is also a tooth risk and can wear off the enamel.

BBC: Dental threat of snacking

The Sensodyne spot informed viewers that fruit acids can wear away at tooth enamel.

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It can be extremely painful, especially if it is extensive enough to wear through the enamel and expose the dentine and tooth pulp underneath.

BBC: Tea 'good for teeth'