Dentists recommend to brush twice a day . Here's the reason .
Animals lick their wounds to get immunity against bacteria . Even our saliva has the power to fight against bacteria . But why do we get cavities in the teeth ? Why our saliva is not capable of killing the bacteria causing tooth decay ?
It's true . Our saliva fights against these bacteria in the beginning . But we go on eating . So there will be a creation of layer over the tooth .
This layer made of sugary coatings , helps in building up of bacteria over the tooth . But formation of layer don't allow our saliva to fight and kill those harmful bacteria . Thus cavities on teeth form .
It is advised to clean this layer or plaque for every 12 hours . Brushing the teeth twice a day is an easier way to get off this plaque . That's why we must brush twice a day .
Animals lick their wounds to get immunity against bacteria . Even our saliva has the power to fight against bacteria . But why do we get cavities in the teeth ? Why our saliva is not capable of killing the bacteria causing tooth decay ?
It's true . Our saliva fights against these bacteria in the beginning . But we go on eating . So there will be a creation of layer over the tooth .
This layer made of sugary coatings , helps in building up of bacteria over the tooth . But formation of layer don't allow our saliva to fight and kill those harmful bacteria . Thus cavities on teeth form .
It is advised to clean this layer or plaque for every 12 hours . Brushing the teeth twice a day is an easier way to get off this plaque . That's why we must brush twice a day .
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