Electric toothbrush with reversible rotating spherical-cylindrical cleaning surfaces

摘要: This electrical toothbrush has the particular feature of working by means of a reversible rotating spherical-cylindrical cleaning surface, with reversibility causing the cleaning surface to run from gum top the tooth so as avoid food residues sticking between the gum and neck tooth. The is preferably made bristles a spherical-cylindrical shape removable in order be substituted similar brushes fitted a shape suitable for function.