Meet the Doctors

Peter R. Then, D.M.D., Dr. Med. Dent.

Dr. Then has been in private practice limited to periodontics and dental implants since 1995. He is a Diplomate of the American Board of Periodontology and a member of several dental societies, including the American Academy of Periodontology and the International Team of Oral Implantology. Dr. Then's primary interest in private practice focuses on minimally invasive surgery and interdisciplinary treatment concepts to achieve optimal treatment results in the area of perio-prosthetics and implantology.

Dr. Then graduated from the University of Frankfurt School of Medicine, and Boston University School of Dental Medicine. He received his Certificate for Graduate Training in Periodontology at Tufts University School of Dental Medicine, and received his doctorate degree from the University of Frankfurt School of Medicine. In 2003, Dr. Then founded the Casco Bay Study Club, an affiliate of the Seattle Study Club.

John B. Corey, D.M.D.

Dr. Corey has specialized in periodontics and implantology in private practice since 1974. He is a Diplomate of the American Board of Periodontology and a member of the American Academy of Periodontology, American Dental Society, Casco Bay Study Club and several other dental societies. Dr. Corey's private practice focuses on minimally invasive surgery and interdisciplinary treatment concepts to achieve the best treatment results in the area of dental implants and perio-prosthetics.

Dr. Corey graduated from the University of Maine at Orono and Tufts University School of Dental Medicine, where he received his doctorate degree and Certificate for Graduate Training in Periodontology. Dr. Corey has lectured extensively all over New England and the Northeast.