Replaceable silicon micro bristles 3D sonic vibration toothbrushPatent No 10-1236956 Design No 30-0015202 [vibration toothbrush body+ micro bristles + gums massage bristles]
Features
The dual effect by silicon bristles and micro bristles.
In the buffering action by external silicon bristles , it prevents stimulating gums which is a matter of previous ones , and periodontal disease which is from the stimulation.
Economical independent bristles.
It is economical and comfortable ratio of this bristls replacement type to the common type and vibraion type.
3D vibration...