Gregory S. Holbrook, DMD

Dr. Greg Holbrook

Dr. Holbook is a husband of 28 years and a father of six kids. He is a leader in his faith and a humanitarian who has shared his dental expertise around the world. He loves his profession as a dentist because he loves helping people. He also loves it because he is an artist and a technician.  Because he is detail-oriented and demands perfection from himself.  But mostly because his hero was his grandfather – who he watched his whole life – take care of people as a dentist. 

Dr. Holbrook decided to be a dentist when he was 12 years old, and never veered from that path.  He knows that your dental health makes a difference in your life whether you’ve realized it or not. He wants to deliver the best results to you his patient, and he is always concerned about your comfort.  He is constantly exploring new options to create a better experience for you.  He has overhead TV’s in each room and earphones available so you can relax and escape while he does his job. He offers conscious and IV sedation, and other options to help you relax.

He will always be honest with you. He will tell you what you need – and first and foremost – he will always opt to preserve your natural teeth.  Because it’s not only healthier for you, it will give you results that last longer. He has 22 years of experience, in which time he learned 1) his relationship with you as a patient is valuable to him 2) confidence in your smile is a life changer for everyone 3) comfort is possible even when going to the dentist. He graduated from Oregon Health Sciences University in 1996 with a Doctorate of Dental Medicine.  After graduating, he practiced in Idaho for 21 years before moving to Texas.

The Dental Team at Prairie Creek Dental Lewisville, TX

Gaby Renenquez – Registered Dental Assistant

Who doesn’t love Gaby?  We haven’t met one person yet.  She’s sweet, she’s kind, smart, energetic and helpful.  She was born and raised in Carrolton, Texas and is the youngest of three kids.  She’s is a cute mom to a sweet one-year-old boy who is the light of her life. She loves dental assisting because she loves interacting with people.  She also loves the challenge and growth. She hopes to one day become a dental hygienist. We are so happy she is part of our team!

Julie Costly, RDH, BS – Registered Dental Hygienist

She is our resident health and fitness expert.  She is passionate about dental hygiene and has been practicing for 16 years. She loves overall fitness as well, and practices fine-tuning the body and mind by teaching Hatha yoga when she’s not with us.  She is a native Texan who graduated from TWU. She is fun. She is energetic. She has an infectious laugh. In her free time, she loves being in the kitchen with her husband, as well as watching football and movies.  We are so happy she is part of our team!

Connie Crittendon – Health Relationship Coordinator

She is our professional multi-tasker who can tell you anything you need to know.  Originally from Alabama, she’ll bet on the “Crimson Tide” any day. She has adapted to Texas over the last 22 years while she has been working in the dental field.  She is a wife of 33 years and calls herself blessed to be the mother of one son, David, and his wife Jennifer. She has a heart of gold and loves to find ways to give back to the community.  When she is not with us, she loves to craft and bargain shop. She has mastered the art of CVS discount shopping and constantly amazes us all at the deals she finds. Her love of crafting has turned into her own “gift box” business on the side.  Ask her about it sometime. She makes some amazing things. We are so happy she is part of our team!

Karleen Sirrine – Office Manager

She’s a mom to four kids.  They keep her busy. And she is a wife of 16 years.  But when she’s with us, she’s an amazing office manager who keeps our team happy and working together efficiently.  She is one of the most caring people you’ll meet, and she LOVES people. She has a vast amount of experience, but most importantly, she knows how to help you so you can get the kind of treatment you need.  Often, she will be explaining your treatment plans to you and helping you make financial decisions. So keep in mind, in the middle of all that, she wants what is best for you!! She is the youngest of eight children and grew up in Arizona and New Jersey, but recently moved to Texas.  She is an outdoor adventurist and can’t wait to explore Texas! We are so happy she is part of our team!

Your Smile.  Your Health.  Our Passion.