Your teeth absolutely can repair themselves, and are in fact constantly doing so using much the same resorption-remineralization processes that your bones use.
Many things can tip the scales in favor of the remineralzation side. Diet, cleaning, and increasing saliva circulation appear to be the main ones.
Many things can tip the scales in favor of the remineralzation side. Diet, cleaning, and increasing saliva circulation appear to be the main ones.