Question

tooth decay and prevention

Answer 1

tooth decay causes when Ph value is less than 5.5

tooth enamel is made up calcium phosphate
it is the hardest substance as it won't dissolve in water.

bacteria present in the mouth produces free acids due to degradation of sugar and food .
then the Ph value falls down.

then the tooth decay cause .




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Answer 2

prevention :

Visit a dentist regularly for cleanings and an examination. During the visit the dentist or hygienist will:

Remove dental plaqueCheck for any areas of early tooth decayShow you and your child how to thoroughly clean the teethApply a fluoride gel or varnish, if necessarySchedule your next regular check-up