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Our Doctors
Get to know the friendly faces of the Kids Tooth Team!
We're Here For You
At Kids Tooth Team, we’ve created an environment where children love to visit, our doctors love to practice, and our team members love to work. “Team” is in our name for a reason - we all work together to create an exceptional, kid-friendly dental experience.
When you visit Kids Tooth Team, you have access to a team of exceptional doctors who collaborate and review cases to ensure the highest care standards are always maintained.
We are dedicated to providing individualized, expert care and are committed to going above and beyond to accommodate your needs. It is our goal to ensure you and your little one feel confident and informed every step of the way.
If you ever have any questions or if there is anything we can do to make your experience more enjoyable, we're here for you!
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Our Story
Why Dr. Alex Otto Founded Kids Tooth Team
As both a board-certified pediatric dentist and a mom of two young kids, Dr. Alexandra Otto understands that families deserve more than just a “dental office”—they deserve a true partner in their children’s health. When she founded Kids Tooth Team, her vision was to create a pediatric dental practice unlike any other: one centered on compassion, honesty, and empowering parents to make the best choices for their child.
During her early career, Dr. Alex experienced many of the challenges families often face in traditional dental settings and saw firsthand how dental care was becoming more about the doctor or the insurance company than about the child. She hated seeing parents wait endlessly, only to be rushed through an appointment or told there was “only one way” to do things. She cringed at confusing sales pitches, unnecessary treatment recommendations, and insurance conversations so complicated they left parents looking lost.
Dr. Alex believed families deserved better. At Kids Tooth Team, every decision is guided by a simple philosophy: every recommendation we make is proactive, backed by science, and always in the best interest of your child—never more than they need. That means taking the time to explain options clearly and honestly, respecting parents’ instincts while guiding them with expert knowledge, and ensuring that care is preventive, evidence-based, and never excessive.
As one of the top pediatric dentists in the country, Dr. Alex has built a team of doctors who share her dedication to incredible patient care.
As one of the top pediatric dentists in the country, Dr. Alex has built a team of doctors who share her dedication to incredible patient care.
Today, Kids Tooth Team is proud to be a group practice that Dr. Alex leads and directs—meaning your child’s care doesn’t just rely on one provider’s opinion. Instead, your family has access to some of the top minds in pediatric dentistry, with multiple specialists and doctors collaborating and reviewing cases to ensure the highest standard of care.
Kids Tooth Team has grown into a nationally recognized model of patient-centered pediatric dentistry, but Dr. Alex still sees every smile through the eyes of a mom. Whether it’s placing a zirconia crown, calming a nervous child with nitrous, or simply helping a parent understand their insurance, her mission is the same: to serve families with honesty, safety, and heart.
Nationally-Recognized Expertise
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University of Florida — B.S. in Food Science & Nutrition
Dr. Alex grew up in Naples, Florida and is a proud graduate of the University of Florida, where she earned her bachelor’s degree in Food Science & Nutrition and minored in Leadership.
Doctor of Dental Surgery — Virginia Commonwealth University
Dr. Alex received her Doctor of Dental Surgery degree from Virginia Commonwealth University in Richmond, VA. While at VCU, she was elected National Vice President of the American Student Dental Association and served as Vice President of her dental school class. She was the only senior dental student to receive the International College of Dentists Leadership Award and served on the Virginia Dental Association’s Board of Directors as a student member.
General Practice Residency — Denver Health Medical Center
Following dental school, Dr. Alex completed a one year surgical and hospital-based General Practice Residency at Denver Health Medical Center, a level-one trauma center in Denver, CO. Her training included advanced experience in oral surgery, trauma dentistry, pediatric dentistry, special healthcare needs, and comprehensive hospital dentistry.
Pediatric Dental Residency — NYU Langone Health, Anchorage, Alaska
Dr. Alex completed her pediatric dental residency with the nationally recognized NYU Langone Health program in Anchorage, Alaska. Based at the Alaska Native Medical Center, she cared for Alaska Native children—who face some of the highest rates of dental disease in the country—gaining unparalleled experience in complex pediatric dentistry.
During her two years of advanced training, Dr. Alex developed expertise in surgical dentistry, trauma management, and IV sedation. She completed the hospital’s first full-mouth zirconia crown case and led research evaluating oral sedation safety and efficacy—work that continues to guide her patient-centered approach today.
Texas Children’s Hospital — North Austin Campus
Dr. Alex proudly leads the Pediatric Dental Department at Texas Children’s Hospital North Austin. She also serves as the pediatric dentist on the hospital’s multidisciplinary Cleft Palate Team, providing compassionate care to some of the community’s most medically complex and vulnerable children.
President — Texas Academy of Pediatric Dentistry
Dr. Alex currently serves as President of the Texas Academy of Pediatric Dentistry, where she advocates for access, innovation, and quality in children’s oral healthcare. She has testified before the Texas Legislature multiple times and helped pass SB 527 (2025), which now requires insurance companies to cover medically necessary dental care for children who require anesthesia to complete their treatment.
National Private Practice Safety Expert — American Academy of Pediatric Dentistry
Safety is Kids Tooth Team’s number-one core value. In recognition of her expertise, Dr. Alex was selected by the American Academy of Pediatric Dentistry as the national private-practice safety expert consultant, guiding pediatric dental teams nationwide in delivering the highest standards of patient safety and care.
Council on Advocacy for Access & Prevention — American Dental Association
Dr. Alex represents the state of Texas on the ADA’s Council on Advocacy for Access and Prevention, where she advocates at the national level to ensure all children receive timely, high-quality dental care. This work directly aligns with Kids Tooth Team’s mission that every child deserves safe, exceptional dentistry.
Chair — Texas Dental Association Council on Professions & Trends
As Chair of the Texas Dental Association’s Council on Professions and Trends, Dr. Alex leads statewide initiatives focused on improving the dental profession’s future—supporting high standards, ethical care, innovation, and the evolving needs of patients, families, and dental teams.
International Clinical Instructor — Sprig Zirconia Crowns
Recognized as one of the nation’s leading experts in Sprig zirconia (white) crowns for children, Dr. Alex travels internationally to train pediatric dentists in esthetic, durable, and biocompatible restorative techniques. She is also a founding member of Sprig’s Scientific Advisory Board, helping shape the future of advanced tooth-colored crown materials. Dr. Alex believes every child deserves restorations that are safe, healthy, long-lasting, and beautiful—and she is proud to bring that standard of care to our community.
National Speaker — American Dental Association, American Academy of Pediatric Dentistry, Academy of General Dentistry
Dr. Alex volunteers her time as a national lecturer for the ADA, AAPD, and AGD- teaching dental students and dentists across the country about AI in dentistry, patient-centered communication, and minimally invasive pediatric dentistry.
American Dental Association Institute for Diversity in Leadership
Dr. Alex was selected as one of only 25 dentists nationwide for the ADA’s Institute for Diversity in Leadership. During this program, she presented her project Kids Tooth Team Outreach nonprofit, which has since provider over $800,000 in free dental care to underserved children in Central Texas.
ADA “10 Under 10” Award
Dr. Alex was honored by the American Dental Association as one of the nation’s “10 Under 10,” recognizing exceptional dentists within their first ten years of practice. She was nominated for her leadership, clinical excellence, and her and her husband Tim’s work providing more than $800,000 in free dental care through Kids Tooth Team Outreach.
Incisal Edge “40 Under 40” Award
Dr. Alex was selected as one of the nation’s top young dentists by Incisal Edge magazine’s “40 Under 40,” highlighting her innovation, patient-safety leadership, and commitment to expanding access to high-quality pediatric dental care.
Fellow — Academy of General Dentistry
Dr. Alex is a Fellow of the Academy of General Dentistry, a distinction earned by fewer than 6% of general dentists nationwide—and even fewer pediatric dentists. Fellowship requires over 500 continuing education hours and passing a rigorous comprehensive exam.
Fellow — American College of Dentists
Dr. Alex is a Fellow of the American College of Dentists, the oldest and one of the most prestigious honorary dental organizations in the country. Fewer than 3.5% of dentists receive this lifetime honor, awarded for exemplary leadership, ethics, and service.
Fellow — Pierre Fauchard Academy
Dr. Alex is a Fellow of the Pierre Fauchard Academy, an international honor society that recognizes dentists who have made significant contributions to the profession, the scientific literature, and their communities.
Fellow — International College of Dentists
Dr. Alex has been inducted as a Fellow of the International College of Dentists, the world’s oldest and largest honor society for dentists. Fellowship is extended only to those who demonstrate the highest levels of leadership, integrity, and commitment to advancing the profession.
Get to Know
Dr. Eduardo Rappaccioli, DMD, MS
Pediatric Dentist
Dr. Eduardo was born in Prague and moved shortly afterward to Nicaragua, where he was raised. Inspired by his grandfather, who was a dentist, he developed a passion for dentistry early on. His goal is to help children of all ages feel as comfortable as possible and enjoy their experience in the dental office. After earning his undergraduate degree in Managua, Nicaragua, in 2015, he completed an advanced specialty program in pediatric dentistry in Loma Linda, California, where he also met his wife, Brittany (also a dentist!).
Dr. Eduardo practiced pediatric dentistry in California and served as a university faculty professor before relocating to Austin in 2019. Since then, he and his family have made Austin their home, enjoying time on the lake as much as possible.
Dr. Eduardo spends his free time exercising, practicing jiu-jitsu, playing video games, traveling, enjoying good food, and relaxing at home with his three dogs: Luca, Austin, and Sora.
Get to Know
Dr. Kaitlin Gillham, DDS
Board-Eligible Pediatric Dentist
Dr. Kaitlin is originally from California, where she earned her Doctor of Dental Surgery degree from UCLA School of Dentistry. After dental school, Dr. Gillham then moved to the great state of Texas and completed her residency training in pediatric dentistry at Texas A&M University in Dallas.
Dr. Kaitlin is a compassionate and dedicated oral health care provider who loves working with children! She is committed to educating patients and delivering high-quality patient care. She enjoys working with children of all ages and hopes to bring a smile to every child she sees.
Outside of the office, Dr. Kaitlin enjoys traveling, trying new restaurants and coffee shops, reading, and staying active.
Get to Know
Dr. Britta Machuca
Board-Certified Pediatric Dentist
Dr. Britta Machuca was born and raised in San Antonio and also attended dental school at UT Health San Antonio. She’s a big Spurs fan! After practicing as a general dentist in Brownsville, TX she went on to pursue her 2 year training in pediatric dentistry at UT Health San Antonio at the Laredo Campus.
Dr. Britta is dedicated to building healthy foundations for your child’s oral health. She enjoys creating a safe and comfortable space during your child’s dental visit.
Outside of the office, she loves going to local coffee shops with her husband, Michael, riding her bike around Lady Bird Lake, watching Spurs games, and cross stitching.
Get to Know
Dr. Elizabeth Scott, DDS
Board-Certified Pediatric Dentist
Dr. Elizabeth grew up in San Antonio, became an Aggie at Texas A&M, and became a dentist at the UT School of Dentistry in Houston. She then traveled to South Carolina for pediatric dentistry residency, and since completing her training, she has been practicing in the Central Texas area.
As a board certified pediatric dentist, Dr. Elizabeth knows how to keep each child safe and comfortable, while making every dental visit a positive one. She teaches her patients how they can have a healthy smile for a lifetime! She enjoys every fun moment, unexpected question, and enthusiastic high-five her young patients bring. Dr. Elizabeth’s favorite things to do are spending time with her husband and their two boys, finding a new coffee shop (especially one with a playground or board games), and solving puzzles of any kind. She loves watching and singing along to Disney movies, even if her kids aren’t around.
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4 Locations Across Central Texas
With offices in Buda, Kyle, South Austin, and Pflugerville, expert pediatric dental care is never far from home! Each location is staffed by our friendly team and offers the same kid-centered approach, advanced technology, and welcoming atmosphere your family deserves.
