About Hygienist: Great hygienist. The only problem we had was with their manager who never returned our calls to schedule us back and dr. kae didn't seem to care about that, he only cared about me hurting his manager's feelings and doesn't seem to want to hold his manager accountable for not returning his customer's phone calls to schedule them back in. Never even bothered to ask about my concern or acknowledge my apology. His letter to me seemed like a "Screw you" letter - seemed personal and unprofessional.