Interdental cleaner

1. An interdental cleaner comprising a rod-shaped support which is made of plastics material and a rear end region of which has a handle part and an opposite front end region of which supports a coating made of a soft-elastic plastics material, at least one radially protruding finger which is integrally connected to the coating being arranged on an outside of the coating, wherein a recess is formed in an outer surface of the coating, and a radially inner foot region of the finger is arranged in the recess and is connected to the coating at a bottom of the recess.

2. The interdental cleaner according to claim 1 , wherein the foot region of the finger transitions continuously and in an edge-free manner into the coating.

3. The interdental cleaner according to claim 2 , wherein the foot region of the finger is surrounded by a completely circumferential annular groove.

4. The interdental cleaner according to claim 2 , wherein the foot region of the finger is surrounded by a plurality of annular groove portions each extending over a portion of a circumference of the finger.

5. The interdental cleaner according to claim 2 , wherein the foot region of the finger is surrounded by a plurality of annular groove portions each extending over a portion of a circumference of the finger.

6. The interdental cleaner according to claim 2 , wherein at least one connecting portion arranged within the recess is provided which connects the foot region of the finger to a side wall of the recess.

7. The interdental cleaner according to claim 2 , wherein the finger has a length to foot diameter ratio in a range of from 2 to 10.

8. The interdental cleaner according to claim 1 , wherein the foot region of the finger is surrounded by a completely circumferential annular groove.

9. The interdental cleaner according to claim 8 , wherein at least one connecting portion arranged within the recess is provided which connects the foot region of the finger to a side wall of the recess.

10. The interdental cleaner according to claim 1 , wherein the foot region of the finger is surrounded by a plurality of annular groove portions each extending over a portion of a circumference of the finger.

11. The interdental cleaner according to claim 10 , wherein at least one connecting portion arranged within the recess is provided which connects the foot region of the finger to a side wall of the recess.

12. The interdental cleaner according to claim 1 , wherein at least one connecting portion arranged within the recess is provided which connects the foot region of the finger to a side wall of the recess.

13. The interdental cleaner according to claim 12 , wherein the connecting portion extends at an angle α to a longitudinal axis of the interdental cleaner, α being in the range of from 30° to 90°.

14. The interdental cleaner according to claim 12 , wherein the at least one connecting portion is at least two connecting portions, the at least two connecting portions being arranged on opposite sides of the finger.

15. The interdental cleaner according to claim 14 , wherein the at least two connecting portions comprise three or four connecting portions arranged so as to be distributed over a circumference of the finger.

16. The interdental cleaner according to claim 1 , wherein the finger has a length to foot diameter ratio in a range of from 2 to 10.

17. The interdental cleaner according to claim 1 , wherein the finger has a length to foot diameter ratio in a range of from 4.0 to 6.0.

18. The interdental cleaner according to claim 1 , wherein a depth of the recess is in a range of from 0.02 mm to 0.20 mm.

19. The interdental cleaner according to claim 18 , wherein the depth of the recess is in the range of from 0.04 mm to 0.08 mm.

20. The interdental cleaner according to claim 1 , wherein the recess is circular and has a diameter in a range of from 0.20 mm to 0.60 mm.