255 Laboratory Rd
Oak Ridge, TN 37830
CALL 865.482.1445

Welcome to Our Practice

Team memberHeidi Blair, Dental Hygienist, RDH

Heidi moved to East Tennessee in 1980 with training as a DA from the San Diego College for Medical and Dental Assistants. She started working with Doctors Lee and Barton in 1992 after graduating from Roane State Community College. She holds an Associates degree in Applied Science in Radiology and is a certified Hygienist.

She has received training in:

  • Administration and Monitoring of Nitrous Oxide
  • OSHA
  • CPR
  • Chemical Dependency
Heidi has two daughters, Cheryl and Chrystie, both UT graduates, and when not at work she loves spoiling her grandchildren.

Team MemberMelissa pyatt- Rdh

After practicing as a Dental Assistant for seven years, Melissa enhanced her training and completed the Associates of Applied Science degree program in Dental Hygiene from Roane State Community College in 2006. She has been an RDH for Lee & Barton, DDS, for over 2 years now and prides herself in taking "thorough, gentle, and individual care of her patients."

In addition to her course work, Melissa holds certifications in:

  • Nitrous Oxide Monitoring
  • Administration of Local Anesthesia

She has also completed continuing education courses in:

  • OSHA
  • CPR
  • Chemical Dependency

When not at work, Melissa finds great reward in spending time with her husband Jeremy and keeping up with their three boys: Mason, Evan, and Isaac as they participate in various church and sports activities.

Melissa believes that a quality hygienist should have a "professional, yet personal touch," and she strives to treat patients like family.

Team memberLeticia Maberry- RdA

Leticia is a Registered Dental Assistant and has been with doctors Lee and Barton for over 13 years and has proven to be a valuable member of the team.

Leticia has received training and certification in:

  • Coronal Polishing
  • Dental Radiology
  • Sealant Technique
  • Nitrous Oxide Monitoring

Leticia also attends the Hinman Dental Conference each year. In addition to her career training and vast experience, Leticia also stays on top of her game by attending 50-75 hours of continuing education classes. Through continuing education, she has received additional training in:

  • OSHA
  • Chemical Dependency
  • CPR
  • Dental Implants

Leticia is a mother of two, Tabitha, 22 years old, and Joshua, 21. When she is not working, she likes to run, swim, workout, play soccer and basketball, and she also enjoys mountain climbing and rafting. She also volunteers at the Anderson County Dental Clinic and enjoys reading.

Team memberAmy Moffette, RDA, Financial Coordinator

Amy received her degree in Dental Assistance from the Tennessee Technology Center of Knoxville in 2005 and has been with Lee & Barton, DDS, for over a decade. She is a certified Dental Assistant and Radiologist.

Amy has also earned certification credits in:

  • OSHA
  • Chemical Dependency
  • CPR

Amy and her husband Jimmy have two beautiful daughters, Chelsey and Caley, and one son, Cayden. As a family, they enjoy church activities, outdoor sports, and Tennessee Volunteers Football.

Team memberLisa Mortl, RDA, OSHA Compliance Officer

Lisa received her degree from Tennessee Technology Center in 2004 and has over ten years of experience working with doctors Lee and Barton.

She is certified in:

  • Nitrous Oxide Administration
  • Coronal Polishing
  • Radiology
  • OSHA Compliance

Lisa participates in annual training for:

  • OSHA Compliance
  • CPR
  • Chemical Dependence
Lisa is married to her husband, Robert, and they have two children, Christian and Stefan. An avid Green Bay Packers fan, Lisa enjoys camping, boating, and attending her sons' sporting events. A volunteer at the Anderson County Health Council, her interests include history and dance.

Team memberMary Ann Byrne, Scheduling Coordinator, RDA

Mary Ann holds a degree in Dental Assistance from Anderson County Dental and has been with Lee & Barton, DDS for over three years. She has been in dentistry for 21 years and is a certified Dental Assistant and Radiologist.

Mary Ann has also completed training in:

  • OSHA
  • Chemical Dependency
  • CPR

Mary Ann is married to her husband, Thomas, and they have two lovely children, Megan and James.