Oral B Interspace I was first recommended this toothbrush by the dentist. I still have some wisdom teeth right at the back of my mouth that are slightly out of place. A normal sized toothbrush doesn't quite reach right up the back of the mouth, so this little brush is a much better size and does a slightly better job. It is a thin small headed brush, with graduated bristles that eventually form a tip in the centre. I find the shaped sharp tip quite useful as it helps to reach in between the small spaces. However, being so small, I do also find it less effective in some way, the brustles seem quite soft, so at times I do feel as if the brush ...  Read the complete review