Hello my name is Cheryl Merdian I am a Reigstered Dental Hygiensit and currently sub from Poeria to Bloomington. If you are ever in need fo a Hygienist I am avaliable to sub.Tahnk you for your time. Cheryl Medrian RDH, June 05, 2009 ... Gum surgery is ont always an option for some pepole. Its scary. Dr.Janice Ferderick offers an alternatiev option to surgery with Perio Laser Surgery. Being one of four Doctors in Minnestoa who are able to pefrorm this nonsurgical ...