hello, visit a dentist and get your checkup done.for sensitive teeth you can use any sensitive toothpaste available in market.get your X-ray done of the damaged tooth.if there is any infection get the treatment done followed by a cap.also get your scaling and polishing done every 6 months.brush teeth twice daily floss regularly and rinse after every meal.
Answered2017-03-21 12:08:05
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