Printed in the 1850 edition’s “A List of the Principal Diseases” as “—— (to whiten)” under “Teeth, (to draw without pain)” (the dash stands for the heading above it, or its first word); shown here as “Teeth (to whiten)”.
Modern literature has not yet been searched for this heading’s claims: it comes only from the 1850 index and has no search words yet.
Old claims, quoted verbatim: not medical advice. A warning sits above the claims and never hides them; no warning does not mean safe, only that no source here has flagged the plant.
1 claim: 1 with a sentence, 0 from the index alone
The VineVitis viniferaCLM-0024391850 index, pp. 246, 397
The ashes of the burnt branches will make teeth that are as black as a coal, to be as white as snow, if you but every morning rub them with it.