Meet Our Cosmetic Dental Office Team

Who We Are

We would love to show you why we are among the best dentists in Irving, TX and provide you with important information about our practice. With our convenient location in Valley Ranch, our practice has provided quality dental care to children, adolescents, and adults in a friendly, caring environment for over 15 years. Our focus is on delivering the best and most advanced dental care available in North Texas. We hope this website will be helpful to you in learning more about our practice, dental treatments, and more.

Our team is a caring group of individuals dedicated to making you feel comfortable while making every effort to ensure successful and effective treatments. Rest assured, we are all certified dental professionals and have over 50 years of combined dental experience.

Should you have any questions once you have browsed through our website or would like to schedule your no cost consultation with dental insurance-Call 972-402-ULTRA (8587).

Our Team

Marissa Y. Garcia (DePalma)


Dr. Garcia received her B.A. in Biology from the University of Texas at Austin. In 1996 she earned her doctorate from the prestigious Baylor College of Dentistry in Dallas, Texas. She gladly returned to BCD when she accepted the position of part-time Assistant Clinical Professor in 1999. For two and a half years she enjoyed instructing and interacting with the senior dental students. Dr. Garcia is highly committed to continuing education and attends numerous courses throughout the year. Her goals are to obtain a Fellowship from the Academy of General Dentistry and become accredited by the American Academy of Cosmetic Dentistry. Already, she has completed hundreds of hours of continuing education with concentration on cosmetic and restorative dentistry. Dr. Garcia is a certified Lumineer and Clear Correct dentist. She has restored a multitude of dental implant systems and loves treating pediatric patients. Membership in dental organizations include: American Academy of Cosmetic Dentistry, American Dental Association, Texas Dental Association, Academy of General Dentistry, Irving Dental Study Club, and Dallas County Dental Society, where she has served as a Session Host for The Southwest Dental Conference. In addition, she has served as a Mentor for the high school students of Irving ISD.

Dr. Garcia is married to Dr. Tim DePalma and enjoys traveling, visiting family and friends across the U.S., and spoiling her American Bulldogs.

Timothy J. DePalma


Dr. Tim DePalma earned his B.A in biology from the University of North Texas at Denton. After a seven year career in pediatric cardiac sonography, he earned his doctorate from Baylor College of Dentistry in 2008, graduating with honors. He has been taking care of Ultra Smiles patients since 2009. Dr. DePalma is dedicated to furthering his knowledge in dentistry by attending numerous continuing education courses throughout the year and is working to obtain his fellowship in the Academy of General Dentistry. He has completed hundreds hours of education focusing on implant therapy, bone grafting, soft tissue grafting, endodontics, laser dentistry, as well as cosmetic and restorative dentistry. He finds it essential to foster a personal relationship with his patients and loves working with children. Memberships include: American Dental Association, Academy of General Dentistry, American Academy of Implant Dentistry (associate Fellow), American Academy of Cosmetic Dentistry, Texas Dental Association and the Dallas County Dental Society. Dr. DePalma is married to Dr. Marissa Garcia and enjoys spending time with his family and traveling.


Appointment Coordinator


Registered Dental Hygienist


Financial Coordinator


Registered Dental Assistant


Treatment Coordinator


Registered Dental Hygienist


Registered Dental Assistant