About Us

Dr. Mark Lantzy

Dr. Mark C. Lantzy is a graduate of Texas Tech University . He received his dental degree in 2002 from the University of Texas, Houston Dental Branch and then in 2005 completed two years of postgraduate residency training in pediatric dentist ry at the University of Rochester, Eastman Dental Center in Rochester, N.Y. In 2008, Dr. Lantzy completed his certification exam requirements and is now a Diplomate of the American Board of Pediatric Dentistry . Mark and his wife Keltie are the proud parents of three children: son Brennan, daughter Kylie, and son Westin.

Keltie, Marketing Coordinator

Keltie is a graduate of Texas Tech University. She has degrees in Political Science, English and Culinary Arts and was a school teacher for 10 years. She has been married to Dr. Mark Lantzy since 1995 and they have three children: Brennan, Kylie and Westin. Keltie started the “Sparkles the Tooth Fairy” program and has been actively involved in educating children concerning good oral health since Lantzy Children’s Dentistry opened in 2005. She currently represents our office through the Northwest Education Foundation, Northwest Metroport Chamber of Commerce and other various community and school activities to promote dental health.

Rebecca, Office Manager

Rebecca completed the RDA program at North Texas School of Dental Assisting in May 2009 and has been working for Lantzy Children’s Dentistry since March 2010. She served as a back office dental assistant, lead assistant and back office manager before promoting to Office Manager in March 2015. When Becca is not busy working, she enjoys spending time staying active and working out at the gym, watching and playing sports and especially spending time with her husband, kids, family and friends.

Michelle, Financial Coordinator

Michelle completed the RDA program from Weatherford College in 2019 and specializes in Insurance and Finance for Lantzy Children’s Dentistry. Prior to her dental career, Michelle graduated from the Police Academy at Tarrant County College in 2003 and was in Law Enforcement for 15 years before retiring in 2018. In May of 2018, she was married to her husband Brandon and when she is not working, Michelle enjoys spending time with her friends and family.

Denise, Treatment/IV Coordinator

Denise completed the RDA program at Kaplan College in 2010 and has worked solely in pediatric dentistry as both a chairside assistant and front office. She loves working with kids of all ages. Denise has four children; Javier, Miekael, Adelise and Lydia with her middle school sweetheart, Alberto. Her weekends are spent at the baseball fields, sitting in the stands, and cheering for her boys! She also enjoys crafting, hiking, reading, spending time with family or simply sitting on the couch with a giant bowl of ice cream enjoying Netflix!

Danielle, Hygiene Coordinator

Danielle has been with Lantzy Children’s Dentistry since August 2019. She is one of the first smiles you’ll see upon walking in. She has always had a passion towards working with children and loves to make sure they have pleasant experiences at their dental visits. She holds a RDA license and also has experience working chair side with kiddos. Danielle has been spoiled rotten by her sweet husband since September 2013. Some of her favorite snacks include Haribo gummy bears, Takis (fuego) and freshly baked chocolate chip cookies (Pillsbury). In her spare time she enjoys crafting, fishing, and spending time with her family.

Yvette, Dental Assistant

Yvette graduated from the RDA program at Kaplan College in 2010 and has been in the dental field since. She especially loves working with kids! Yvette and her husband Luis have three kids of their own; son, Julien, daughter, Audrey and their newest addition, son, Zeke. She enjoys spending time with family and friends and watching her kids play baseball and softball.

Kendra, Dental Assistant

Kendra completed the RDA program from Fort Worth Dental Assistant School in June 2020 and immediately joined the Lantzy Children's Dentistry team. Prior to her dental career, she graduated from Tarleton State University and had a career in Event Management. When she is not working, she loves volunteering at the church, playing with her dogs, and traveling anywhere she can.

Lauren, Hygienist

Lauren received her dental hygiene degree from Tarrant County College in 2011 and has been a part of the Lantzy Children’s Dentistry team since shortly after her graduation. She enjoys working with kids and seeing all the joy, energy and laughter they bring into the office. Lauren and her husband, Clint, were blessed to welcome their daughter, Kennedy and son, Easton into their family and they love watching them grow every day. In her spare time, Lauren enjoys spending time with her family, being outdoors, crafting and traveling.

Stephanie, Hygienist

Stephanie graduated from The University of Oklahoma in 1996 with a Bachelor of Science degree in Dental Hygiene. She and her husband, Ron, were married in 1997 and have two amazing daughters, Brighton and Macy. They moved to Keller in 2003 with plans of staying in Texas only one year, but it quickly became home. Stephanie and her family love to serve with their church and in their community. In 2008, Stephanie began serving on the Board of Directors for Fortress Youth Development Center, a non-profit serving at-risk children in the Ft. Worth area. Stephanie loves to travel with her family and support her girls in their endeavors - whether it’s in the dance studio or at the tennis courts. Returning to work after a ‘parenting hiatus’ has been a huge blessing. She is extremely thankful for Lantzy Children’s Dentistry and their amazing staff.

Rachel, Hygienist

Rachel graduated from Tarrant County College in 2015 with her degree in Dental Hygiene. She then started working as a pediatric dental hygienist in 2017. Before becoming a Hygienist, she coached club volleyball and is happy to continue her passion of working with kids. Rachel loves the rewarding feeling of teaching the kids about their oral health while making them feel comfortable. When not at work, she enjoys crafting, traveling whenever possible and volleyball. Most Friday nights you can find her at a sporting event with her boyfriend, Ryan, who coaches at Denton High School.