Buying brush heads that are too big: If a brush head is too big, it makes it harder to reach all parts of your mouth. Also, since it is electric and moving at high speeds, a big head could end up making your gums feel uncomfortable and a little sore, depending on the softness of the bristles.
Forgetting to buy replacement brush heads: Regular toothbrushes should be replaced every three months. This doesn’t change with an electric toothbrush. You will still need to switch to a different brush head every three months.
Using hard bristles on sensitive gums: Speaking of bristles, you should always be sure you’re buying the right softness rating on your brush head for you mouth. If you bleed easily, go with a softer bristle, but if your mouth can take some punishment and you like feeling ultra-clean, a harder bristle style could get the job done.
Overspending on features: If you think you’re enough of an adult to make it to 2-minute for every brush cycle, you probably don’t need something like Bluetooth to keep track of your brushing cycle or post it to Facebook. That said, Bluetooth is still helpful for anyone trying to cement better routines, so even though it is a bit of an “extra” buy, it’s still worth a look if you’re struggling to hit the mark.
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