About Us

At Periodontal Specialists of Hawaii, we are committed to providing expert periodontal care in the heart of Honolulu. Our highly skilled team, led by Dr. Ryan H. Yim, DDS, Dr. Allison P. Tran, DDS, and Dr. Edmund A. Cassella, DMD, specializes in advanced periodontal treatments, dental implants, and soft and hard tissue grafts. Whether you're in Ala Moana, Kaka'ako, McCully-Moiliili, or Makiki, we're here to help you restore the health and beauty of your smile. Experience exceptional care tailored to your individual needs.

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 practice is built on a foundation of expertise, compassion, and a commitment to your overall dental health. Here's why we stand out:

  • Board-Certified Specialists: Dr. Yim, Dr. Tran, and Dr. Cassella are all Board Certified in Periodontics and Diplomates of the American Board of Periodontology, ensuring you receive the highest standard of care.
  • Comprehensive Care: From treating gum disease to performing state-of-the-art dental implants, our team offers a wide range of advanced periodontal services to help you achieve optimal oral health.
  • Trusted Experience: As active members of the Hawaii Dental Association, Honolulu County Dental Society, American Dental Association (ADA), and American Academy of Periodontology, our doctors stay at the forefront of the latest techniques and advancements in periodontics.

We look forward to welcoming you to our practice and helping you achieve a healthy, confident smile that lasts a lifetime.

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