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Can Methylene Blue Stain Crowns and Fillings?

Posted by Hope (Miami, FL) on 05/08/2022

Does Methylene Blue cause any long-term effects of discoloring crowns and fillings in the mouth? I am concerned as I have a few crowns and fillings. Thank you

Replied by Theresa
Ontario
06/19/2022

I have been using Methylene Blue almost daily for a month at 12 and 25 drops in a small amount of water. I have not seen any long term staining. I use a straw and take vitamin c along with it to help it not turn anything blue. It still makes my urine blue a little but doesn't last.