About Our Dental Care Service in Tonawanda

Our vision is that we are known for providing compassionate dental care for Tonawanda and Buffalo residents and guiding and educating our patients along a path of optimal oral health. We always provide honest advice that will inspire trust and confidence with our patients. We provide accessible insurance and financing options to allow our patients to improve and maintain the best possible oral health. Our focus is oral and systemic health, cosmetic dentistry, and functional dentistry. We expect every day, as a team of motivated professionals to earn the loyalty and trust of our patients.

Bison Dentistry is a Tonawanda based family dental care practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using advanced dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, crowns, veneers, and more.


We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dental care team serving Tonawanda and the Buffalo area, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. Kosar and our team invite you to schedule an appointment by calling 716-696-1951 and experience why our patients think Bison Dentistry is the best dental care service in Tonawanda.

Dr. K

Dr. Kosar is passionate about bringing the best dental technology and care to the people of Buffalo. He believes that modern dentistry is all about personalization and choice. Dr. Kosar’s entire team shares this passion which is why Bison Dentistry has such an innovative, welcoming, and empowering atmosphere.

A Buffalo native, Dr. Kosar lives locally with his wife, son and yellow lab, Daisy. He received his doctorate degree from LECOM and completed his residency back home at ECMC.

Dr. B

Dr. Balderman views her patients as neighbors and is passionate about giving you the best care modern technology can offer. She is known for providing less invasive, less costly, and higher quality treatment plans.

After receiving her doctorate degree from University of Buffalo and completing her residency at The Ohio State University, Dr. Balderman returned home to Buffalo to practice. She lives in North Buffalo with her husband and two daughters, and feels privileged to be able to provide quality dental care to the WNY community.

Loves to cook, and experiments with elevating vegetarian flavors

Dr. R

Dr. Rog is passionate about treating her patients comprehensively and enjoys making connections with and building rapport with her patients during the treatment process.

Before moving to Buffalo, she worked in Seattle, Washington primarily in private practice, but also held a faculty position at Swedish’s Oral Surgery Clinic, where she enjoyed teaching dental residents and serving the low-income and under-insured community.

Outside of dentistry, Dr. Rog enjoys triathlon, skiing, traveling, and spending time with her husband and two golden retrievers.


Office Manager

Loves learning about astrology and has two cats named Castle and Zuko


Treatment Coordinator

She loves to travel and likes to parasail on vacation


Lead Dental Hygienist

Loves to travel, and her favorite place is Santorini



Loves to run, and reads around 40 books a month


Lead Dental Assistant

If she could play any professional sport she would play Pickleball


Dental Assistant

Has an orange tabby cat named George and loves to bake. Her favorite dessert to make is fruit tarts for her family, friends, and coworkers

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