In side‑by‑side tests, Oral‑B’s Genius Pro 8000 delivered 30 % more brushing mode variety and AI‑driven coaching (CNET), which translated to a 15 % improvement in plaque reduction over the Sonicare 6100 (Consumer Reports). However, the Sonicare ProtectiveClean 6100 costs roughly $50 less (Wirecutter) and still meets the ADA’s recommended cleaning standards, making it a solid choice for cost‑sen...