14% HP strip vs 9.5% HP gel in tray
Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)
It is very uncertain whether 14% HP strip changes tooth whitening - assessed by the dentist compared with 9.5% HP gel in tray (very low certainty).
1 finding from 1 review
- Home‐based chemically‐induced whitening (bleaching) of teeth in adults 2018 · Cochrane All outcomes22 daysMD -1.40 [-2.35, -0.45]1 study · 29 participantsVery low