| 摘要 |
The present invention is related to a dental concave and convex rake whose combination of parts allows to replace the horizontal motion of the traditional dental brushes by an anatomical vertical motion, thus achieving a complete and effective cleaning of the inner and outer faces of the teeth and molars in human beings, as well as a massage of the gums, tongue, palate and inner face of the checks. The dental rake consists of a handle to hold the rake, which includes at least on one of its ends, a female connection, where a rake head is inserted and, at least a concave and/or convex rake head interconnected to a stem which, on its lower end, includes a male connection, which is inserted under pressure in the female connection of said handle.
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