And the yellow tint to my teeth will not for the life of me go away. I've been brushing all over the place, front, back, everywhere in my mouth. I still have a slight yellow tint when I examine after each attempt. The middle looks slightly better but the sides definitely have a more yellow tint to them.
Is this normal? I'm trying to take better care of myself and I have no intention of visiting the damn dentist. Should I just keep brushing until it gets better?
EDIT: UPDATE: I wont ever brush for half an hour again like you guys said. I'll only brush twice a day for five minutes every day. And I'll have a small glass of water after having acidic food/drinks.
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Yes it's normal, it's just what happens to teeth as you get older/eat food/drink liquids. If you have poor tooth enamel I think that makes it look a bit worse but I'm not sure. Just brush regularly with toothpaste and it should improve, you could also look into whitening pastes if you want but it's not really worth the bother unless your teeth are daffodil yellow.