| 摘要 |
The invention relates to an electric toothbrush for simultaneous cleaning of different sides of a tooth or molar, comprising a first and second brush, a drive connected to the brushes for setting the brushes into motion, wherein the first brush is oriented in a first direction for the purpose of cleaning one of the front and rear side of the tooth or molar, and wherein the second brush is oriented in a second direction for the purpose of cleaning the upper side or the other of the front and rear side of the tooth or molar, wherein at least the first brush comprises a roller which is rotatable around its longitudinal axis and wherein the roller of the first brush moves during use over the respective front or rear side in a direction toward the upper side of the tooth or molar. |
