Re: Very bad teeth at a young age
You didn't mention, but it's important to floss as well.
Bacteria consume starch and sugars that are trapped in between teeth, and toothbrushes cannot reach this area. Over the period of a few years, you get cavities in this area and weakened teeth.
It is also worth it to get a high-quality electric toothbrush like a Sonicare. They used to be $100 or more, but now you can get a basic Sonicare for $40 or less that works just as well as the more expensive ones. These types of toothbrushes will very effectively remove plaque and food stuck to your teeth. When filling a cavity costs hundreds, and a root canal thousands, a toothbrush for $40 that prevents both of these is a good investment.
Rinsing with a mouthwash like Listerine that reduces bacteria is also good.