INDICATOR BRISTLES: Brush heads should be replaced every 3 months. The brush head has blue indicator bristles that fade with use to indicate when the brush head needs to be replaced. APPLICABLE PEOPLE: It can be applied to daily cleaning for most people. It is perfect for people with receding gums or other periodontal diseases in daily cleaning. SMALL SIZE - The round brush head flexibly cleans all areas of the mouth, brushing morning and night, effectively removing plaque. MODERATELY FIRM BRISTLES - This brush head has a mix of soft and firm bristles with rounded ends, with the harder bristles in the center of the head and the softer bristles to clean the gum line. Cleans well without being too hard on gums. COMPATIBLE MODELS: Compatible with Oral B the handle, except Pulsonic and iO, highly compatible with the original equipment, maintains gum health.

Best Sellers Rank: See Top 100 in Health & Household. Item Firmness Description: Soft, Firm. Age Range (Description): Adult. Size: 16pcs. Color: Blue. Brand: YanBan. : B09YD9S1ZQ. Manufacturer: YanBan. Date First Available: April 20, 2022. Package Dimensions: 6.85 x 4.17 x 2.09 inches; 4.16 Ounces.