Does frequent scaling and polishing cause teeth to wear down?

I would recommend going back to your dentist and having it repolished.  Bondings do stain with tea/coffee etc. Your dentist should be able to remove the stain for you and polish the bonding. 

Thank you for your inquiry and time in submitting your photo. Although external whitening may be a valiant effort, you'll likely get the best results from doing internal bleaching. The discoloration of your tooth is not uncommon after anterior teeth are root canaled, but internal bleaching can...

Dear SmilesIreland,Thank you for posting your question on RealSelf.  I will do my best to provide an answer with the information provided.Both systems offer a reliable whitening system.  Both brands have in office and at home options.  I prefer the at home bleaching options as they are more su...