"tooth powder" is a perfectly fine and correct way of referencing a type of dental product in written English.
You could use it in a sentence such as: "My dentist recommended that I use tooth powder to clean my teeth as an alternative to toothpaste."
Caswell-Massey Revelation Tooth Powder, $5; www.caswellmassey.com.com
You write that he got up, picked up tooth powder, rinsed his teeth... Hm..
The resourceful Americans created a cottage industry to manufacture a counterfeit sulfa drug (tooth powder, pulverized rice grains and water) that they sold at a high price.
She applies tooth powder to her teeth after each meal, and rinses it with a watery liquid that she buys in a bottle.
But there at the top are some things that need to be picked up at the drugstore: blades, tooth powder, plastic bag, Anacin.
The directions, on the back of the package, are easy to follow (although cautionary notes warn not to set the mandoline on fire, polish it with tooth powder or wash it with gasoline).
Homemade remineralizing tooth powders are similar to their toothpaste counterparts, but the consistency differs.
Recently, taking note of the fact that the constituents of teeth are similar to those of bones, methods that use teeth powder block treated through certain processes have come to the fore.
It's not a new idea – Checked Baggage by Christien Meindertsma does much the same with items retained by security after 9/11 – but it is an intriguing book that will make you wonder at the ingenuity of those who illegally import ostrich eggs and cow manure tooth-powder, as well as those who smuggle fake Louis Vuitton bags.
Eight milligrams of tooth enamel powder were dissolved in 0.50 mL of twice-distilled 5 M HNO3.
There they found that samples contained substances from teeth whitening powder to steroids to household products.
