How to whiten a single dark tooth

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some people may notice that they had a

single tooth that's darker than all the

others there can be several reasons for

this so you might have had some trauma

to a tooth

perhaps the nerve is dead or they needs

root canal treatment so you need to see

your dentist to find out what the cause

of business the other thing that it

could be is that you've got a large

restoration that's discolored and large

filling in the tooth or a cavity in the

tooth you may or may not have

sensitivity but certainly this is

something that you should get

investigated before you start to your

tooth whitening journey say if you go to

your dentist and you decide the

procedure that you need is internal or

single tooth whitening this is quite

different to the normal whitening that