1.4-3.2 mm a week, for life. The system only works if wear matches growth.
Pro
This lesson comes with Dr. Hopps Pro
Dental Health is part of the full Masterclass — 4 lessons, 9 minutes of reading and 4 cited sources in this one alone. Pro opens all ten modules, and comes with the food scanner, the droppings tracker and unlimited questions to Dr. Hopps. Module 1 stays free forever, no card needed.
Rather look around first? Start with the free module.