Kindly consult a dentist
in person for further suggestion. We need more investigations to decide upon treatment. You may need deep cleaning along with whitening
procedures or artificial enamel filling or root canal treatment
. You may consult me in person too. Gargle your mouth thoroughly after every meal. Scrub gently to clean your tongue with a tongue cleaner. Floss all your teeth inter dentally & brush twice daily, morning & night, up & down short vertical strokes, with ultra-soft bristles, indicator brush.