Removes up to 20x more plaque1
Up to 15x healthier gingiva2
Removes up to 100% more stains in less than 2 days3
Comparing the effects of Philips Sonicare DiamondClean Prestige 9900 and All-in-One brush head on plaque levels and gingival health
Assessing the impact of 9900 Prestige and All-in-One brush head on induced staining
The right brush head for every patient need