Meet The Doctor

Peter Guirguis, DDS

Peter Guirguis, DDS

Doctor of Dental Surgery

Dr. Guirguis was raised in Kansas City and graduated from the University of Missouri – Kansas City School of Dentistry. He moved to Dallas in 2013 with his wife and has called Texas home ever since. Dr. Guirguis belongs to the American Dental Association, Texas Dental Association, and Dallas County Dental Society. Continuing education is a priority in his career, as he has completed advanced training in dental implants and general dentistry.

In his spare time, Dr. Guirguis and his wife enjoy traveling around the country, hiking and snowboarding. He can often be found working in his garage under the car or in the backyard grilling. In 2006 he earned his Black Belt in Taekwondo, and has spent some time instructing children in the art. He has also been involved in Big Brothers Big Sisters since 2007.

About Definitive Dental: Peter Guirguis DDS

Definitive Dental: Peter Guirguis DDS

Definitive Dental: Peter Guirguis DDS is a Grand Prairie based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using state-of-the-art 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 dentist, 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. Peter Guirguis and our staff invite you to schedule an appointment by calling 972-534-6000 and experience why our patients think Definitive Dental: Peter Guirguis DDS is the best dentist in Grand Prairie.

Meet Our Team


Administrative Assistant

Jennifer has been a part of the team since 1979 and knows every patient by name. Before becoming our financial expert, she was trained as an assistant. While she can still be found chair-side occasionally, she spends most of her time as the voice of the practice, answering your calls and questions. Call her today to set up your appointment!