The Oral-B Allrounder Black manual toothbrush is designed for comprehensive oral hygiene. Its ergonomic shape and unique bristle design allow for effective cleaning of teeth and gum care. Oral-B Allrounder Black Toothbrush – How Does It Work?The fibers arranged in a hemispherical shape thoroughly clean the spaces between the teeth and the area along the gum line.Gentle on the gums, the rounded-end fibers minimize the risk of irritation.The tongue cleaner helps freshen breath and remove odor-causing bacteria.The ergonomic handle ensures a secure and comfortable grip while brushing. Oral-B Allrounder Black supports daily oral hygiene, caring for both teeth and gums.