User:Aso1995/sandbox

Tooth Whitening:

Tooth staining & discoloration:

-Grinding (Extrinsic): Usually is caused due to stress, grinding of the teeth can lead to more micro-cracking in the teeth, this can result the edges of the teeth to darken.

http://www.yourdentistryguide.com/teeth-whitening/

-Age(intrinsic): Over time your tooth enamel weakens due to brushing, which causes the soft yellowish layer in the enamel called dentin to show through

http://www.mouthhealthy.org/en/az-topics/w/whitening

Teenagers are more likely to experience faster results

By the twenties, when a yellow cast begins to form, tooth whitening will require more effort

. By the forties, more whitening maintenance may be required due to the yellow casts starts to form a more brownish tint

. By the fifties and older, this is most difficult stage due to the fact that the teeth have absorbed a lot more stubborn stains that are harder to remove

http://www.yourdentistryguide.com/teeth-whitening/

Cost:

In-office teeth whitening cost: $650 per visit (on average) nationwide.

Take-home teeth whitening kit cost: $100 to $400

Over-the-counter teeth whitening cost: $20 to $100

http://www.yourdentistryguide.com/teeth-whitening/

After teeth whitening:

chew gum

use sensitive toothpaste

http://www.colgate.com/en/us/oc/oral-health/cosmetic-dentistry/teeth-whitening/article/tooth-whitening

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