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Sealant foods like cheese prevent food being trapped and changed to acid between teeth and inside grooves on chewing surfaces after every meal or snack.

See Barium sulphate in the X-rays below shwing how sealnt foods and block grooves and prevent food being trapped.

Almost all cavities occur where food is trapped between teeth and inside pits and fissures in grooves on chewing surfaces where the brush and saliva cannot reach after every meal or snack.

Chew fibre like Celery after eating to help saliva remove food, neutralise acid and repair all demineralised tooth surfaces particularly inside grooves you see below.

Regards yndk@ndk.biz