Morristown Pediatric Dentistry

Why Choose Us

OUR DENTIST is the heart of our practice. Dr. Helderman loves being a dentist and working with children. She aims to please and wants every experience to be amazing!

OUR FACILITY is designed for children, not adults. Most dental offices look like…dental offices. When you come through our front door, you will know right away that this is not your typical dental office. This is a place kids want to come to because it’s a fun place to visit! Our waiting area has a fun and interactive play area for little ones, along with video games for the bigger kids. Check out our facility.

OUR COMMITMENT to you is to provide your child with the highest quality dental care. We trust you will find the atmosphere child-oriented, the staff friendly, and our service exceptional.

OUR TEAM is amazing! We specifically choose each of our staff members for their friendliness and ability to build relationships with children. Not every person was born to interact with children all day – but we were!

Dr. Aleighia Helderman

Dr. Helderman has been a resident of Morristown since 2012 when she bought Morristown Pediatric Dentistry and started her journey providing care for the children in the Lakeway area. She was born and raised in Oxford, North Carolina. Dr. Helderman graduated from NC State University in 2002 with a degree in Biology, then attended the University of Louisville where she completed her Doctor of Dental Medicine Degree in 2008. In 2010 Dr. Helderman completed her Pediatric Dental Residency certificate and a Master’s degree at the University of Kentucky.

Dr. Helderman is a member of the American Dental Association and American Academy of Pediatric Dentistry which ensures that she stays up-to-date on the best techniques and materials to serve our community.


She and her husband Jared have a daughter, Bellamy and three labradoodle furbabies Lexi, Lily, and Layla. When she’s not educating patients and parents on having a healthy smile, she’s spending time with her daughter. You may also see Dr. Helderman out in the community at the Morristown Area Chamber events, at Helping Young Professionals Excel (HYPE) events, and Hamblen County Foundation for Educational Excellence and Achievement (HC*EXCELL) events.

We would love to meet you and your children and look forward to welcoming you to our family!

Get to Know Dr. Mallard

Dr. Mallard was born and raised in Dyersburg, Tennessee, where he discovered at a young age that he wanted to become a dentist. He graduated from the University of Tennessee at Knoxville in 2009 with a degree in Biochemistry and Molecular Biology. Prior to dental school, Dr. Mallard participated in a dental mission trip to the Dominican Republic where his love for dentistry, helping people, and sharing the Gospel grew. After completing his Doctor of Dental Surgery degree at UTHSC in Memphis in 2014, he went on to work at Arkansas Children’s Hospital in Little Rock. While on staff, Dr. Mallard primarily treated medically complex children and adults with special healthcare needs. It was there that he realized his passion for treating children, and he went on to pursue a two-year residency program at Texas A&M Baylor College of Dentistry in Dallas to specialize in the treatment of pediatric and special needs patients.


Dr. Mallard is an active member of the American Dental Association and the American Academy of Pediatric Dentistry, allowing him to stay up-to-date in the most relevant evidence-based practice techniques. Dr. Mallard has obtained a specialty license to treat children in Tennessee and is currently completing his requirement to become a board-certified pediatric dentist.

He and his wife, Alaina, have one son, Hayes, a daughter Emmalyn and a golden retriever, Beckham. He enjoys all sports and outdoor activities and is excited to root on the Vols this upcoming season. While at the dental office, Dr. Mallard strives to provide a fun, upbeat environment while treating everyone like family. Dr. Mallard is thankful for the opportunity to move back to East Tennessee to do what he loves and to call it “home” once again.

Get to Know Dr. Moore

Dr. Mary Helen Moore is married to Dr. Rick Moore who is an endodontist in Farragut. They have two children, Joseph and Ashley Kate. We couldn’t be happier to have Dr. Mary Helen join our team beginning in April 2015! Your child may get to meet Dr. Mary Helen during their 6-month hygiene appointment or restorative appointment on days that Dr. Helderman has to be out of the office for hospital cases, continuing education days, vacations, etc.

With Dr. Moore as part of our team, it is our hope to ensure your child continues to receive timely and uninterrupted care throughout the year. We are so pleased for Dr. Moore to be a part of our practice and to help us provide the best possible continued care for your children!

Get to Know Dr. Stone

Dr. Stone received his undergraduate degree from Northwestern University in 1979 and his medical degree from the Medical College of Ohio (University of Toledo) in 1982. He completed his residency in anesthesia at the University of Florida in 1985, where he received advanced training in pediatric anesthesia. He was initially certified by the American Board of Anesthesiology in 1987 and has twice recertified. He was certified in pediatric anesthesiology in 2015.

Dr. Stone has been a long-time ambulatory surgery center director (16 years) with extensive experience in the care of children. Dr. Stone has been involved in dental office anesthesia since 2003. In addition, he was the director of anesthesia education for the MAHEC dental general practice residency.

Dr. Stone has published several articles on techniques and safety in anesthesia. He has also published a book chapter on intravenous access.

Prior to joining PDAA Dr. Stone practice in Asheville, NC for over 25 years.