Patent ID: 8887339

Claim:
A toothbrush comprising: a) a handle; b) a head comprising: (i) a head base; and (ii) at least three bristles sets: two outer bristles sets and a middle bristles set located therebetween; c) a moving mechanism which connects to the two outer bristles sets for rotating the outer bristles sets in respect to a main axis, between at least two optional positions: a first opened position and a second closed position in respect to a main axis of the toothbrush, wherein in the second position the bristles of all bristles sets are more dense than in the first position thereby allowing a user to change hardness level of the toothbrush by changing the position of said outer bristles sets, wherein said moving mechanism comprises at least two axles, each axle being configured for attaching to bristles of a different outer bristles set, each said axle is rotatable for changing position of bristles of each of said outer bristles set between the first position and the second position.