<<Disclaimer: Verify this information before applying it to your situation.>> Our son has a dental appointment next week so thought I'd better check things out. I searched the archives but didn't find anything specific on Oral-B Prophy Paste (the gritty stuff they use to clean/polish teeth). There were several posts over the last few months from folks who had no problems with any of the products their dentists use. And I will ask for powder-free gloves which was suggested in one posting. So I just got off the phone with Oral-B (800-446-7252). They do not add gluten to their Prophy Paste products but it contains a processing aid comprised of ingredients acquired from outside vendors so they cannot state that it's GF. I've had no luck tracking down the ingredients of Fluoride Foam (not Oral-B brand) which they also plan to use on my son. Any comments from anyone on that product? Thanks much. Tami Berget Northern Calif.