Most Buddhist monks could easily get under the "15 things" limit-- the standard list of possessions is: three robes, an alms bowl, a cloth belt, a needle and thread, a razor for shaving the head, and a water filter.
toothpaste and toothbrush are definitely medical then, as a dentist definitely is in the field of medicine, and if you don't use them your teeth rot and fall out. oral-B is definitely a medical brand. "warding off disease" simply and clearly covers this, then. Thanks for the informative link.
Actually, according to the Buddhist monastic code they aren't allowed to have money. I know a very large number (probably the majority) of monks these days do accept money but I know of and have lived with those that don't. In the communities that respect the Vinaya[1] there are 227 rules that fully ordained monks are supposed to follow. Novices have ten rules[2] and one of them is not to handle money.
