Out of curiosity, have you ever asked the question why teeth get dark? Or have you even pondered on the possible answers to this simple query?
Tooth discoloration should not be taken lightly though the case should really lighten to brighten up a smile.
There are many reasons why teeth get stained. The most typical reasons vary from factors written below:
1. heredity
2. consumption of staining substances (such as tea, coffee, and colas)
3. excessive fluoride and use of abrasives (which only expose dentin and causes severe discoloration)*
4. tetracycline (antibiotic) staining
5. old fillings
6. aging
Toothpastes that have whitening agents can minimize the stain that is on the surface of the teeth. The case is also coined by dentists as extrinsic staining. However, professional dental cleanings and whitening toothpastes will not change the intrinsic staining of the teeth, if used appropriately. This is the main reason why tooth bleaching or tooth whitening is so popular.
Normally, teeth whitening remedies are categorized into two:
1. Professional whitening systems
This is usually performed by...
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