Oral-B is the world’s no 1 brand used by dentists worldwide which brings to you and your family revolutionary brushing solutions with best in class technology to ensure you and your family get healthier and cleaner mouth. Oral-B cavity defense 123 helps remove bacteria and avoid cavities with its superior cleaning action vs ordinary brushes. Oral-B cavity defense 123 has unique end rounded bristles to ensure they are soft on the gums. The unique comfort grip is specially designed for your needs. The brush has a tongue cleaner for fresher breath. plaque bacteria.