It sounds like it's too good to be true, but then again it does cost $300 and only lasts about a year, and that buys a lot of toothbrushes, toothpaste and floss.

It's made with 3D printing technology, and according to

To tailor the brush to a person's mouth, dentists take a digital scan of the teeth and the scan is then used to determine the optimal placement of the bristles by simulating biting and chewing movements.

Would you try one?