Discover the Oral-B Sensi Ultrathin toothbrush brought by Oral-B, a toothbrushed by dentists worldwide. The shape of a flower petal is designed with dentists. Soft, super-thin bristles spare the gums while its normal bristles are effectively treated with plaque. Sensi Ultrathin removes up to 100%more plaque and 100%reduces gum inflammation compared to Oral-B manual toothbrushes. The Sensi Ultrathin toothbrush with a special combination of rounded and super-thin bristles is ideal for those with sensitive teeth and dentures, and those who want to experience gentle but thorough brushing. Oral-B Genius 8000 and 9000, Oral-B Smart 4000, 49000, 5000, 6000, 6500 and 7000, Oral-B Pro 600, 650, 1000, 2000, 2500 and 30000, all Oral-B Vitality and Vitality Plus. Each package contains 4 pieces, the Oral-B sensitive ultrathin.