Dr. K, “…why do so many other whitening brands with loose-fitting trays still work…”
Stuart asked: So why do so many other whitening brands with loose-fitting trays still work just fine in a lot…
Dr. K, “how long and how many applications of the KöR® whitening system do you use for tetracycline patients?”
Kelsey asked: “How long and how many applications of the KöR® whitening system do you use for tetracycline patients?” Hi…