Kelsey asked: “How long and how many applications of the KöR whitening system do you use for tetracycline patients?” Hi Kelsey, When using the KöR Ultra-T whitening system, which was designed specifically to treat tetracycline staining, the patient starts with a...
Stuart asked: So why do so many other whitening brands with loose-fitting trays still work just fine in a lot of patients even in the presence of their peroxidase? Hi Stuart, There are a huge number of variables. Also, differences in results expected by the dentist...
