Electric tooth brushes, small tooth brushes, or water pics can be used to reach difficult areas.
(Electric tooth brushes, small tooth brushes, or water pics; can be used; to reach difficult areas) (Electric tooth brushes, small tooth brushes, or water pics; to reach; difficult areas)
Electric tooth brushes, small tooth brushes, or water pics Electric tooth brushes, small tooth brushes, or water pics
can be used to reach
to reach difficult areas
difficult areas