Most KöR patients report little to no sensitivity. The gel is refrigerated from the day it's made, so it doesn't need the harsh acid stabilizers that cause zingers, and every kit includes a desensitizer you apply after each session.

A typical case is about two weeks of at-home whitening in your custom trays, followed by a finishing visit in our Irvine office. Deeper stains may take a little longer.

No. With occasional at-home touch-ups in your trays, KöR results are designed to last, and you can keep enjoying your favorite foods and drinks.

Independent studies haven't shown that bleaching lights improve results, and the heat can increase sensitivity and dehydrate teeth, which makes them look temporarily whiter. KöR relies on chemistry and fit instead.

Often, yes. KöR is one of the few systems known for treating stubborn tetracycline and grey staining, using an extended protocol.

Pricing depends on the protocol your smile needs. We'll give you a clear, itemized quote at your consultation, and financing is available.