The main cause of tooth decay is reaction/interaction between bacteria of mouth and–

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(b) Starch or Carbohydrate rich food substance — The main cause of tooth decay is reaction/interaction between bacteria of mouth and starch/carbohydrate rich food substance. Tooth decay causes enamel and dentine to gradually weaken. It begins when acids are formed by bacteria acting on sugars that soften or de-mineralize the enamel. Bacteria in the mouth create acids after eating, through the oxidation of sugar and food particles in the mouth.

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(A) Proteinecious Substances

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(C) Fatty substances of food

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(D) Edible portion of Salad

The main cause of tooth decay is reaction/interaction between bacteria of mouth and–

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