Good evening sir.
The natural color of the teeth is yellow because the second layer of your teeth is yellow hence it's just showing through enamel which is first layer.The regualr cleaning with your dentist should be enough to get rid of normal staining.
If you have got this problem like from few months back means you got to change your brushing techniques . Use soft or ultra soft brush. Change once the bristles get flare-up. If you want your teeth color to be back then go for teeth whitening.
Answered2018-03-21 14:38:49
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