Our Office

We are a caring and highly trained team of Worthington dentists focused on delivering the highest quality treatment and service. Our mission is to provide all of our patients with consistent, high-quality care in a comfortable and pleasant environment. We do this by maximizing the three main facets of our practice: team, facility, and education. Our staff has committed to our mission with cutting-edge technology and with expanding our knowledge through continuing education. Our doctors have had extensive training, teaching experience, been published in numerous publications, and manage one of the longest standing continuing education study clubs in the greater Columbus area, Spectrum Dental Society.

About Bradley Purcell, DDS, MS

Dr. Bradley Purcell received his dental degree from Marquette University School of Dentistry in 2002 and received his Specialty in Prosthodonticscertificate and Masters of Science degree from The Ohio State University School of Dentistry in 2005. He graduated with honors from both universities and is a member of three academic honor societies. Dr. Purcell maintains a private practice limited to Prosthodontics at Spectrum Dental & Prosthodontics. As a private practitioner, Dr. Purcell has been repeatedly selected by his peers to 'Columbus Best Dentists' and 'America’s Best Dentists.' Dr. Purcell’s practice focuses on providing a high level of care in a warm and caring environment. Dr. Purcell and his team are dedicated to providing their patient’s an optimal experience from the moment they call the office.

Dr. Purcell continues to publish articles in peer-reviewed journals in the area of dental implants and is an editor for the 'International Journal of Oral and Maxillofacial Implants,' the world’s foremost dental implant scientific journal and the official journal of the Academy of Osseointegration. Dr. Purcell teaches at The Ohio State University School of Dentistry and lectures nationally in the area of dental implants and dental prosthodontics. Dr. Purcell also runs Spectrum Dental Society, a continuing education AGD Certified study club dedicated to providing high-level education to area dentistsand has a lecture facility attached to and affiliated with Spectrum Dental & Prosthodontics.

About Kim Laurell, DDS, MS

Dr. Laurell received his Doctor of Dental Science degree in 1976 and his Master of Science degree in Prosthodontics in 1986 from the Ohio State University. He has maintained a private practice specializing in aesthetic dentistry, full mouth reconstruction, Temporomandibular Joint disorders and implant dentistry since 1976, and has authored over 30 research publications in dental journals. He was also a faculty member at the Ohio State University for over 20 years and has been very involved in continuing education seminars, giving many national and international presentations on a variety of topics. He is a member of many dental organizations and is a Fellow of the Midwest Implant Institute.

About Ryan Mizumoto, DMD, MS

Dr. Mizumoto was born and raised in Seattle, Washington and attended the University of California-San Diego on a soccer scholarship. He received his dental degree from Case Western in 2009 and completed a 1-year Hospital-Based General Practice Residency at Illinois Masonic Medical Center in Chicago in 2010. Dr. Mizumoto practiced as a general dentist for five years in Cleveland before pursuing his passion and returning to school for formal training in Prosthodontics.

Dr. Mizumoto is a graduate of the Advanced Prosthodontic Program at The Ohio State University, where he served as Chief Resident his final year. As a resident, he published three research manuscripts and was the recipient of the 2019 Tylman Research Award through the American Academy of Fixed Prosthodontics. Dr. Mizumoto is actively pursuing board certification through the American Board of Prosthodontics and is a member of the American Academy of Fixed Prosthodontics, the American College of Prosthodontists, American Academy of Cosmetic Dentistry, and the SFUMATO chapter of the Seattle Study Club. He currently serves as the Treasurer for the Boucher Conference. He has lectured locally, nationally, and internationally on various topics in Prosthodontics.

Dr. Mizumoto lives in Dublin with his wife and three daughters. His hobbies include traveling, golf, photography, and spending time with his family.

What Our Patients Say


When your dental problems can't be solved by a general dentist this is where you need to be. I am a referring dentist and love the results my patients get. Drs Laurell and Purcell are the best at what they do they are down to earth!

- Jim Pawlecki

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Welcome to Spectrum Dental and Prosthodontics

Spectrum Dental and Prosthodontics

55 Caren Ave, Suite 270

Worthington, OH USA

55 Caren Ave, Suite 270
Worthington, OH 43085
(614) 885-7721

(614) 885-7721
  • Monday08:00AM - 05:00PM
  • Tuesday08:00AM - 05:00PM
  • Wednesday08:00AM - 05:00PM
  • Thursday08:00AM - 05:00PM
  • Friday08:00AM - 02:00PM
  • SaturdayCLOSED
  • SundayCLOSED


The American Society of Implant & Reconstructive Dentistry (ASIRD) is a nationwide not-for-profit association dedicated to educating consumers on the value of dental implants and the importance of choosing an experienced surgeon and dentist team recognized for having a collaborative relationship to ensure optimal results. These teams work together throughout the process and are committed to providing customized, patient-specific, long-term solutions for your dental implant needs.