Meet Our Team

Meet Our Amazing Staff!

Assisting the exceptional work from Dr. Peter Guirguis is the amazing and dedicated Definitive Dental team! Each of our staff truly cares about the individuals & families that walk through our doors and we make it a point to consistently provide complete care that exceeds your expectations!

Take a moment to learn about our staff and contact us if you would like to schedule an appointment! We can’t wait to take your smile to new heights!


April - Dental Assistant

I am very passionate about providing patients with quality and gentle care. My favorite part of dentistry is building a relationship with patients so they trust and feel comfortable in a place many experience anxiety. I have worked in the dental field for the last ten years. It warms my heart to help restore someone’s confidence in their smile and take their life back. Away from the office I enjoy spending time with my son, working out, serving the community and going to church.

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Lesli - Dental Assistant

My name is Lesli and I am a Registered Dental Assistant. I love my job because I am able to help patients restore confidence in their smile. I always try and go the extra mile to make sure my patients are as comfortable as possible. In my free time I love to spend time with my three kids and my husband. We love exploring outdoors and trying new things!

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Laura - Receptionist

Hello! I’m Laura, the Receptionist at Definitive Dental. I was born in Fort Worth Texas and love the Dallas Cowboys. I have been married to my husband for 24 years and have 3 children. I enjoy swimming and playing tennis when I am not at work. I enjoy meeting and building relationships with the patients of Definitive Dental.


Brittany - Scheduler

My name is Brittany and I will help schedule your appointments! I’ve been in dentistry for several years now and have a beautiful four year old daughter I am very proud of. I enjoy getting to know our patients and look forward to speaking with you!
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Sharon - Office Manager

I’m Sharon, the Operations Manager. Originally from Monroe, Louisiana, I’m a graduate of Grambling State University with a degree in Accounting and Management. I have one son who is the joy of my life and recently engaged to my awesome fiance. I love family and the outdoors. I am a die hard Saints fan. Whodat!!! I love re-doing furniture and making it new and I love fashion. I am excited about my next journey in life and the direction that Definitive Dental is going.

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Haidi - Hygienist

My name is Haidi. I have been a hygienist for over 26 years. My ultimate goal is helping my patients achieve optimal dental health and keeping their teeth for life. My philosophy is to treat my patients as they’re my own family. In my spare time I love spending time with my wonderful husband and our 3 beautiful children. I can’t wait to meet each and every one of you in person!


Liz- Office Manager

My name is Liz and I am the office manager at Definitive Dental. My goal is to make sure every single one of our patients is given the best quality of care while trusting us with their dental needs. I am also a registered dental assistant. I have been with Dr. Guirguis for about a year and half. I really enjoy what I do, as this will be my 9th year in the field. I’m a Grand Prairie native, Go Gophers! I enjoy spending time with my loved ones when not in the office. I am happily married and a mother to 3 wonderful children who have the same passion for traveling, movies, music, sports, and baking. We also enjoy exploring the world together. Come in and meet our team, I promise you will love us!

Sondra - RDA

My name is Sondra. I’ve been in the dental field for 9 years. Helping patients is one of my most favorite things to do. My passion is dentistry and my family. I’m born and raised in Dallas. I’m married to an Army veteran of 27 years that I am very proud of. I love spending time with my family and friends, decorating my home and planting.

Darinka - Receptionist

Welcome to our office! My name is Darinka and I am excited to meet you. I have been in the dental field providing excellent customer service for the last four years. I have a handsome two-year-old son. I enjoy spending time with him, shopping and meeting new people. Come see us, you will not be disappointed. See you soon!

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Katrina - Financial Coordinator

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