"Gentle on sensitive gums: Provides an additional gentle cleaning effect for sensitive gums compared to a regular manual toothbrush. Gently clean along the gums. "Cleaner Better: Round brush head inspired by dental professional tools, cleans teeth with specially designed bristles "," Tested and Trusted :Oral-B Sensitive Gum Care Replacement brush head receives American Dental Association (ADA) Acceptance Seal ", "Toothbrush brand recommended by dentists worldwide." , "5 authentic Oral-B Sensitive Gum Care electric toothbrush replacement heads compatible with all Oral-B rechargeable toothbrush handle series except Oral-B iO and Sonic Toothbrush"