The teeth become lighter and brighter due to dehydration. This is why you select the shade before the procedures begins when you the tooth is hydrated and your eyes are rested.
You can make your teeth appear whiter by using at-home treatments like whitening gels or strips available at most retail stores. Brushing your teeth at least twice a day helps keep your teeth white, and some chewing gums have been proven to help keep your teeth white. If you have fair-colored skin, tanning could increase the contrast of your skin to your teeth, making them appear whiter.
to make yr teeth appear whiter
It will not make your teeth whiter.
The rules for whiter teeth are to avoid coffee, tea and cigarettes because these stain your teeth. Brush them after every meal.
No.
Brush your teeth.
crest does
brush them with a toothbrush.
Yes.
people bleech their teeth so they can have whiter teeth and make their teeth attarctive
Yes.
if you ask me red is the best color to make your teeth look whiter but it's better to pick a color that suites you