About Leominster Endodontics

If you need an expert root canal specialist in the Central New England area, look no further than Dr. John Miller at Leominster Endodontics. Located in Leominster, MA, and serving surrounding communities, our office strives to provide you with prompt and effective endodontic treatments and additional dental services. We are a referral-based practice, so speak with your dentist today to schedule an appointment with our office!

Explore Our FAQ

Access Patient Forms

Meet Our Endodontists

Dr. Miller, Lemominster Endodontics, Endodontist in Leominster, MA

Dr. John Miller, DDS

Dr. John Miller is an Endodontist (a root canal specialist) originally from Bozeman, Montana.

In 2005 Dr. Miller received his Doctoral Degree in Dental Surgery from the University of the Pacific in San Francisco. Dr. Miller then pursued an additional two years of advanced study at Boston University, where he completed his specialty training in the field of Endodontics in 2007.

Dr. Miller is skilled at diagnosing and treating symptoms of pain originating from the teeth and jaws. He routinely performs complex root canal treatments and root canal surgeries, allowing patients to save teeth that might otherwise require extraction.

Dr. Howard Yoon, DDS

We are excited to introduce our new Endodontist Dr.Howard Yoon

Dr. Howard Yoon is a proud member of the team at Leominster Endodontics. He earned his Doctor of Dental Medicine (DMD) degree from McGill University and completed his specialty training in Endodontics, along with a Master of Medical Sciences (MMSc), at the Harvard School of Dental Medicine, graduating in 2022.

Since that time, Dr. Yoon has been dedicated to providing endodontic care with precision, compassion, and excellence. He also serves as the endodontist for the Boston Celtics, delivering dental care at the highest level of athletic performance.

What Dr. Yoon values most about endodontics is the opportunity to help patients find relief from pain while preserving their natural teeth. He is passionate about creating a calm and reassuring environment where patients feel informed and cared for throughout their treatment.

Outside of his professional work, Dr. Yoon is an avid fan of European football and enjoys following both the Premier League and the Champions League.

He looks forward to welcoming patients and providing exceptional care to support their oral health and comfort.