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. 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.

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.

Jess
Office Manager
Loves learning about astrology and has two cats named Castle and Zuko

Suleima
Treatment Coordinator
She loves to travel and likes to parasail on vacation

Ally
Lead Dental Hygienist
Loves to travel, and her favorite place is Santorini

Melissa
Hygienist
Loves to run, and reads around 40 books a month

Brittany
Lead Dental Assistant
If she could play any professional sport she would play Pickleball

Zoya
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