Meet Our Doctor

TEL.  903-892-0593

Meet Our Doctor

Get to Know Dr. Dave Firmage: Your Trusted Local Dentist

Our dental practice has served the residents and communities of Grayson County and the Texoma area for over 40 years. Dr. Firmage has led the team since 2019 and continues to strive for excellence in all aspects of our business.
Meet Our Doctor

Dr. David Firmage, DMD

Doctor David Firmage (“Dr. Dave”), completed his undergraduate degree at Utah State University and received a Doctorate of Dental Medicine at Roseman University of Health Sciences. While in dental school, Dr. Firmage was received the following:

  • Distinguished Clinician Award and Scholarship
  • Distinguished Leadership Award and Scholarship
  • Lifelong Colleague Award
  • Health Professions Scholarship (United States Air Force)

After graduating from dental school, Dr. Firmage completed a 3-year commitment in the United States Air Force, including a 1-year Advanced Education in General Dentistry (AEGD) residency and two subsequent years of active-duty service. His advanced training and experience include dental implants, complex restorations, CAD-CAM crowns, periodontal surgeries, root canal surgeries, third molar (wisdom tooth) surgeries and IV sedation.

Dr. Firmage cares deeply about his patients’ comfort and strives to provide an exceptional level of dental care in a calm, understanding environment. He enjoys spending time with patients to explain treatment options, answer questions and discuss concerns. Dr. Firmage is also an active member of the Academy of General Dentistry (AGD) and the American Dental Association (ADA).

Personal Time

Meet Our Doctor
Outside of dentistry, Dr. Firmage loves spending time with his family and being active in his faith and community. He enjoys the outdoors and playing sports including soccer, golf, pickleball, cycling and fishing. He and his wife have been married for over 17 years and are the proud parents of five children. Dr. Firmage is an Eagle Scout recipient and is also fluent in Spanish.
Meet Our Doctor

About

Gray Oak Family Dental offers a wide range of dental services. When you visit our  office, your smile and comfort is our top priority. We are committed to serving patients with the care they deserve.

Services

General Dentistry
Comprehensive Exam & Cleaning
Simple or Complex Fillings
Root Canals
Tooth Extraction
Dentures
Emergency Services
Dental Implants 

Stabili-teeth™

Implant Bridges

Same Day Smile

 

Teeth Whitening

Spark Aligners

Dental Veneers

Smile Makeover

Crowns

Dental Surgery

Surgical Extraction

PRF

Bone Grafting

Full Mouth Restoration

Sedation Services

Office

Call or Text Us
2112 Monte Cristo Dr,
Sherman, TX 75092
Monday – Thursday
8:00am- 5:00pm
Copyright © 2025 Gray Oak Family Dental