KöR Teeth Whitening vs. Zoom vs. Opalescence: Which Is Actually Worth It?
By Dr. Nicole M. Berger, DDS · South Florida Smile Spa, Pompano Beach, FL · June 2, 2026 Quick Answer — KöR vs. Zoom vs. Opalescence whitening: Which Is Best? KöR Whitening is the strongest professional system available and the gold standard for resistant staining, tetracycline discoloration, and patients who want maximum, permanent results. Zoom…


