![Does anyone know what this brown stain could be? It seems to have appeared overnight. The only thing I have changed to my routine is daily mouthwash (it contains fluoride), could this Does anyone know what this brown stain could be? It seems to have appeared overnight. The only thing I have changed to my routine is daily mouthwash (it contains fluoride), could this](https://i.redd.it/o5n8u2pcy5r91.jpg)
Does anyone know what this brown stain could be? It seems to have appeared overnight. The only thing I have changed to my routine is daily mouthwash (it contains fluoride), could this
🪄We have the ability to identify disease at its earliest stages- how cool is that!!! , , Here are the facts you need to know about Stannous Fluoride. Save this post- you'll want to review it again! ...
Post-prophylaxis gingivitis prevention with two-step stannous fluoride dentifrice plus whitening gel sequence or chlorhexidine
![Randomized in situ clinical trial evaluating erosion protection efficacy of a 0.454% stannous fluoride dentifrice - West - 2019 - International Journal of Dental Hygiene - Wiley Online Library Randomized in situ clinical trial evaluating erosion protection efficacy of a 0.454% stannous fluoride dentifrice - West - 2019 - International Journal of Dental Hygiene - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/ebf3122a-2535-43b4-89a2-00c6bcb3d2bf/idh12379-fig-0004-m.jpg)