Rebuilt - it was an attempt!

As so often: There are original and there is Rebuilt. Rebuilt course provided with a substantial price advantage. From a qualitative approach there is in the place "of the pudding is in the eating". This I did and I can say that I had after the now third change of toothbrush brush enough and I turn bought the originals.
So I'm sure it just does not come up due to production not only at one or two brushes at the quality of the orignal.
What happens: you could tell when placing the brush heads that this is very simple with little pressure. This I knew from the originals differently. During cleaning process, you realize that there are irregularities in the transfer of vibration from the hand wand to brush. Declining vibration is then noticeably and the fluctuations are permanently felt. The cleaning result is also felt later by friction with the tongue that part can not be compared with the "feeling of smoothness" that I know of the use of the original brush heads.
A use of a brush head is in my opinion not endure - I've not tried. Due to the dissatisfaction I have also changed this much earlier. But not anymore, and the originals are reappointed.