1 Compared to a manual toothbrush
2 In Clean mode vs. a manual toothbrush; measured by MGI at 6 weeks
3 In a lab study vs. a manual toothbrush; actual results may vary
Comparing the effects of Philips Sonicare 9900 Prestige on plaque levels and gingival health
Assessing the impact of Philips Sonicare 9900 Prestige on induced staining