Meet Our Dental Team


Sandra, Registered Dental Assistant

Sandra has nearly twenty years of dental experience, and has been helping to make nervous patients feel calm and comfortable at Maxwell Creek Family Dentistry since 2008. In addition to being a registered dental assistant, Sandra has certifications in nitrous oxide and radiography. She also taught assisting at Dental Careers for three years. Sandra enjoys helping people who are embarrassed by their teeth finally enjoy a sparkling smile and the renewed self-confidence they’ve always wanted.

Happily married, Sandra has 3 daughters. Her oldest is at The University of North Texas, and her 2 youngest are at Wylie East. She enjoys watching her girls play volleyball, and spending time with family and friends.

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Olivia, Registered Dental Assistant

Olivia works alongside Dr. Guardiola as one of his Registered Dental Assistants. Olivia is certified in both nitrous oxide and radiology. She continually keeps herself up to date with the latest dental advancements through The Spear Institute.

Olivia is a Wylie native and a Wylie East High School alum. In fact, she was a spirited member of the WEHS Cheerleaders. You may spot Olivia around town as our designated tooth fairy. She enjoys representing our office while interacting with the kids in our community. In her free time, Olivia loves being outdoors, travel, and spending time with friends and family.

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Sarah, Dental Hygienist

Sarah has worked with our dental team since 2007, and has worked hard to establish meaningful relationships based on trust and respect with patients and coworkers alike. Her greatest passion is changing patients’ outlooks from avoiding oral health care to understanding what a difference regular dental visits make in their lives. Sarah has a bachelor of science in dental hygiene from Baylor College of Dentistry, and is certified in CPR, nitrous oxide monitoring, and is an OSHA safety coordinator.

Happily married for 14 years, Sarah and her husband have little boys! They love spend there free time attending their kids sporting events, gathering with family and friends, attending Church Eleven32 here in Wylie. A country girl at heart, Sarah loves to fish and be outdoors!

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Lisa, Dental Hygienist

Lisa has worked in the dental field since 2011, and is dedicated to building relationships and helping patients improve their oral and overall health. With a Bachelor of Science in Dental Hygiene from Baylor College of Dentistry, Lisa has been with our practice since 2011. Lisa loves building relationships with her patients and loves that the practice makes it a priority to truly know each patient that comes through the doors. She enjoys helping every patient on their path to improve their overall oral health. She is certified in CPR and nitrous oxide monitoring, and is a member of the Dallas Dental Hygienists' Society.

A native of Garland, TX, Lisa married her high school sweetheart in 2012. She enjoys spending time with her family, attending The Village Church, participating in mission trips, and especially raising awareness about organ donation. As the recipient of a liver transplant, Lisa is passionate about speaking about the selflessness of organ donation and her gratitude for her donor.

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Penney, Patient Care Coordinator

Our patient coordinator Penney has over 20 years of experience in dentistry. A graduate of the University of North Texas and the Baylor College of Dentistry, Penney is a registered dental assistant and also holds special certification in radiography, nitrous oxide, and Invisalign. Penney is passionate about helping people achieve the very best in dental care. There’s nothing Penney loves more than watching fearful patients transform into happy, confident patients, just like she did!

When she’s not busy making sure things run smoothly at our office, Penney enjoys spending time with her family, gardening, photography, and attending church at Community Life Church in Forney.


Rooted and built up in Him, strengthened in the faith as you were taught, and overflowing with thankfulness.

Colossians 2:7