About Us

Welcome to Periodontal Specialists of Hawaii! We’re an established periodontal treatment practice in Honolulu. Our team of trained periodontal dentists and assistants are here to help you with your treatment. Let us help you with periodontal treatment, dental implants, or soft and hard tissue grafts. We’re here to make your smile feel whole again!

Meet the Doctors

Ryan H. Yim, DDS

Dr. Yim was born and raised in Honolulu, Hawaii. He grew up in a family of health care professionals and found his passion for dentistry through annual dental check-ups with his uncle, who is a pediatric dentist. After attending Iolani School, Dr. Yim moved to Omaha, Nebraska, where he received a Bachelor of Science in Biology from Crieghton University.

Meet the Doctors

Allison P. Tran, DDS

Dr. Allison P. Tran received a B.S. in Biology from the University of Kansas, and then earned her Doctor of Dental Surgery degree in 2004 from University of Missouri-Kansas City School of Dentistry. She taught general dentistry at the school and went into private practice for two years before entering a periodontic residency program at the same institution and graduating in 2008 with her Certificate in Periodontics.

Meet the Doctors

Edmund A. Cassella, DMD

Having just commemorated the 25th anniversary in his Ala Moana office on Nov. 12, 2019, Dr. Edmund Cassella has more than 35 years of experience treating patients with periodontal (gum) issues. Although dental implants are part of his practice, his primary focus continues to be helping patients keep their teeth & maintain health through the treatment of periodontal diseases and the repair of bone and loss and gum recession.

Video Testimonials

Why
Choose Us

At Periodontal Specialists of Hawaii, our team is dedicated to your comprehensive dental care. We look forward to seeing you and your smile. Dr. Yim, Dr. Cassella and Dr. Tran are Board Certified Specialists in Periodontics. All three doctors are Diplomates of the American Board of Periodontology. They are all active members of the Hawaii Dental Association, the Honolulu County Dental Society, the American Dental Association (ADA), and the American Academy of Periodontology.

Want to schedule an appointment?