Cutting toothpaste might not be too terrible a thing. Consumer Reports concluded years ago that it doesn’t really do anything.
Consumer Reports
Q. Which Toothpaste Should You Use?
A. Any toothpaste that has fluoride should do the trick. That’s the most important ingredient because it prevents cavities and helps you avoid tooth decay by strengthening the enamel. Fluoride is so important that the ADA doesn’t provide its Seal of Acceptance to fluoride-free toothpastes.