If the discoloration is by external deposits it can be removed by scaling and polishing but if it is inside the enamel or dentine the solution is either lamination or bleaching.
Hello dear
Please be aware
See black land can be due calculus or stains.it needs to be cleaned by oral prophylaxis and then maintained .for further details you can consult me
Thanks
Hard black bony / teeth like growth in bottom gums at the end right hand side it is painless and black in
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