Hardin Valley Pediatric Dentistry!

Welcome!  We are so excited to announce the opening of Hardin Valley Pediatric Dentistry coming in Summer 2023!  We are thankful to call Knoxville home and cannot wait to join the amazing community of Hardin Valley.  We are ecstatic about meeting you and welcoming all patients into our practice in the near future.


Hey everyone! My name is William "Drew" Mallard, and I am thrilled to be caring for the families in Hardin Valley! I am a west Tennessee native but fell in love with east Tennessee as a young boy.  I attended UT Knoxville for college where I met my lovely wife, Alaina.  We then headed to Memphis where I attended UTHSC Dental School. Following graduation, I realized my passion for treating children and those with special needs while working at Arkansas Childrens' Hospital in Little Rock.  This led me to continue my education specializing in Pediatrics at Texas A&M College of Dentistry before heading back to Knoxville!

We have two lovely children, Hayes and Emmalyn, and one rambunctious golden retriever named Beckham.  We love being outdoors and enjoying family movie nights as we watch Disney classics.  While at the office, you may even get to hear me sing my favorite Disney songs!


Hi! My name is Aleighia Helderman, and I am so excited to care for the families of east Tennessee! I was born and raised in Oxford, North Carolina, attended J.F. Webb High School and later graduated from St. Mary’s High School in Raleigh, North Carolina. I graduated from NC State University in 2002 and graduated from University of Louisville School of Dentistry in 2008. Following dental school I moved to Lexington, KY to complete an additional 2 years of specialty training in pediatric dentistry in order to provide the best possible treatment for my patients. After working for 2 years in private practice in Kentucky, we moved to east Tennessee and decided to make it our HOME!! In 2012, I married the love of my life, Jared, from Mt. Sterling, Kentucky. We welcomed our sweet baby girl, Belamy, in 2018. We aso have three labradoodle fur babies, Layla, Lily and Lexi.


As a board certified Pediatric Dentist, we are specialized to treat children young and old.  From infants to high schoolers, we offer a wide range of dental services including:

  • Preventive (Cleanings, Xrays, Exams, Sealants, etc.)
  • Restorative (White fillings, White and Silver crowns, etc.)
  • Orthodontics (Space Maintence, Phase 1 Orthodontics)
  • Airway and Tethered Oral Tissue 
  • Laser Dentistry (Lip and tongue tie releases)
  • Sedation and Hospital Dentistry
  • Oral Surgery and more!

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Email: info@hardinvalleypediatricdentistry.com


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