This is known as sensitivity of the teeth and can happen due to a variety of reasons, right from just sensitivity due to open roots to sensitivity due to a cavity.
Please visit a dentist to evaluate the cause and he will be able to guide you towards the right treatment.
Next Steps
Visit a dentist
Health Tips
The earlier it's diagnosed you might get away with lesser work needed to correct it
Answered2017-04-19 16:49:12
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