Similar to every electric toothbrush, I suspect there's no significant distinction between settings besides the intensity of the vibrations, however the 7100 offers you plenty of options to tune the brush to your liking.
Beulahhiggin
https://sites.google.com/view/tao-clean-d06d8a96/tao-clean-vs-traditional-cleaning-methods
Louis McKean is a Gastroenterology nurse from Grand Rapids
Louis McKean is a Gastroenterology nurse from Grand Rapids
The brush head blasts your teeth with 62,000 vibrations per minute, sending out a soft, shrill humming audio as it goes.