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Brushing teeth three times a day could reduce risk of heart failure, study claims | The Independent | The Independent
![So I brush my teeth 2-3 times every day. Does anyone know what this is and if it can be fixed? The dark lines on my bottom teeth. I just noticed it So I brush my teeth 2-3 times every day. Does anyone know what this is and if it can be fixed? The dark lines on my bottom teeth. I just noticed it](https://i.redd.it/so-i-brush-my-teeth-2-3-times-every-day-does-anyone-know-v0-ll59yn95btla1.jpg?width=3024&format=pjpg&auto=webp&s=655ecbecc309ecb453ced6217b39e0dab5db6030)
So I brush my teeth 2-3 times every day. Does anyone know what this is and if it can be fixed? The dark lines on my bottom teeth. I just noticed it
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