I just noticed this today and it's really worrying me.
It can't be worrying you that much if you'd rather ask on a japanese childrens cartoon image board than a doctor
>>18418553
I think you should clarify that it is the advice section of said image board though.
>>18418551
Jesus Christ OP. Start eating healthy. Dem teef! Also, some fucking whitening toothpaste, a dental pick and some floss wouldnt hurt
>>18418551
Looks like a fairly big mouth ulcer.
Washing my mouth with chlorhexidine until a few days after the pain dies down usually helps when I get these.
What causes them isn't really clear. Lack of vitamin C might be related.
>>18418986
>whitening toothpaste
Daily reminder that natural color of teeth is yellowish.
>>18419041
This op. Adopt some mouth water after brushing your teeth.
>>18419080
Ye but what about that black looking shit in the front?
>>18418956
But a japanese childrens cartoon image board nonetheless. (not the same anon btw)
>>18419080
you will die
>>18419080
nope. the natural color is white until introduced to coffee, red sauce, food dye, etc.
>>18418551
>what is hygiene