If your teeth are damaged - they need repairing.
If your enamel is thin - then you need flouride treatment or try regenerate serum
If you clench your teeth at night Bruxism ( only can be diagnosed by a dentist) this can cause pain too.
If you are near the m11 or central line gantshill then look up dentists in Longwood house dental. Experts in diagnosing bruxism and treating this .