Steps up to 62,000 brush movements per minute and adds a pressure sensor — meaningful upgrades over the 4100 for people who brush aggressively or want more cleaning power.
If you've already owned a 4100 and want more, the 6100 is the logical next step. The pressure sensor alone is worth the price bump if your dentist keeps telling you to ease up.
“The 4500 & 6100 ProtectiveClean has the more powerful motor offering up to 62,000 movements compared to the 4100 Series.”
