Q8 of 28 Page 187

To protect tooth decay, we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is ______ in nature.

basic

Tooth decay occurs in the condition when the environment of our mouth becomes acidic or more precisely when the pH of our mouth falls below 5.5. The acidic conditions are suitable for the microorganisms to act on our enamel and corrode them leading to tooth decay. Hence, in order to protect our mouth from tooth decay we use toothpastes which are basic nature so that they help in neutralizing the excess acid present in our mouth and prevent tooth decay.


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