Is it good to brush your teeth? Sure! is it good to floss? Of course! is it good to whiten your teeth.
...?!?!? We live in the world where any magazine you pick u see all those gorgeous tall blond celebrities with nice white- glow- in-the-dark teeth....Million dollar smiles... So you say: i cannot be taller, skinnier, more famous ... But i can get my teeth whiter and try to pose for pictures.