At Gray Oak Family Dental, we take pride in being a family-owned, family-centered practice, dedicated to serving patients of all ages. Our caring team is passionate about educating both children and adults on the importance of oral health, helping you build lasting habits for a lifetime of healthy smiles. We focus on creating a welcoming and comfortable atmosphere where every visit is a positive experience, ensuring that you leave our office with a radiant smile.
Our Mission.
Our mission is to deliver superior, quality dental care with honesty, integrity, and compassion. Our commitment to providing a positive dental experience through attentive and individualized care is why we stand out in the community. We believe that our knowledge and professionalism used in patient education and treatment are the foundation of building life-long relationships.
Our team prioritizes patient safety and well-being above all else. We are available to help and answer any questions you may have throughout your treatment.

Dr. David Firmage, DMD
Dentist Sherman
Favorite Food: Fish tacos
Favorite Vacation: Disneyland
Favorite Ice Cream: Mint chocolate chip
Favorite Sport: All sports! To Play: soccer, golf, and baseball. To watch: football, tennis, and anything during the Olympics.
In My Spare Time: Spend time with family. Train for a sprint triathlon.
Jenna – Dental Hygienist
Dentist Sherman
Favorite Vacation: Anywhere in the mountains
Favorite Holiday: Christmas 100%
Favorite Food Chips & queso
In My Spare Time: (When not chasing kids around) I love volunteering with local organizations
Fun Fact: I grew up in Sherman!


Sumer – Dental Hygienist
Dentist Sherman
Favorite Food: Chips, salsa, and queso
Favorite Holiday: Independence Day! July 4th
Favorite Sport: Whatever my kiddo is currently into – baseball today; bottle flip tomorrow!
Bucket List Item: Climb the Manitou Incline
Advice to Self: Don’t sweat the small stuff.
Melia – Dental Assistant
Dentist Sherman
Favorite Ice Cream: Caramel
Favorite Season: Summer
Dream Vacation: Bahamas or Hawaii
Favorite Sport: Pickleball
Advice to Self: Have fun every day!


Chelsea – Dental Assistant
Dentist Sherman
Favorite Place: Colorado
Favorite Sport: Softball
Dream Vacation: Jamaican Islands
Bucket List Item: Skydiving
In My Spare Time: Spend time at the lake with my husband and dogs.
Lara – Office Manager
Dentist Sherman
Favorite Holiday: Thanksgiving
Dream Vacation: Maldives
Family Tradition: Christmas tree ornaments from our travel places.
Favorite Ice Cream: Doesn’t matter! I love it!
Fun Fact: I used to take flying trapeze classes.


Raquel – Business Team
Dentist Sherman
Favorite Season: Autumn
Hobbies: Singing. Painting. Piano. Guitar.
Family Tradition: Yearly Bible convention.
Dream Vacation: A Couples trip to Italy and Greece.
Advice to Self: Find joy in the little things.
Jenni – Business Team
Dentist Sherman
Favorite Place: US Virgin Islands
Favorite Activity/Hobby: Running/Walking and anything active and outdoors
Favorite Holiday: Halloween
In my spare time, I like to be adventurous and try new things with my family. I also love any kind of crafting!




