After graduation from dental school, Dr. Johnson worked with a national Health Maintenance Organization, or HMO, developing their first dental group practice. That experience prompted him to pursue a Master’s degree in health care administration with an emphasis in the use of computers as a management tool.
After graduate school, Dr. Johnson took a position with the Chattanooga-Hamilton County Health Department managing a large dental care program serving low income clients in Southeast Tennessee but returned to private practice for several years before becoming the program director for dental education at Chattanooga State Community College. At Chattanooga State, he developed online education courses for dental assistant and dental hygienist students and, using the skills developed in his master’s program, he created Dent ED Online to offer courses to licensed professionals as well.
Although retired, Dr. Johnson is still involved in all aspects of Dent ED Online including course development and management, software maintenance, quality control and community outreach. His goal is to provide the best possible learning experience for all dental professionals wishing to improve their patient treatment skills.

Jessica began her dental career as a dental assistant in Georgia. She fell in love with dentistry and pursued her dental hygiene degree, graduating in 2005 from Georgia Perimeter College. Her clinical career provided her with experience in general, pediatric, and periodontal offices.Jessica moved to the Chattanooga area in 2013. She began her career in dental education in 2016, working her way up to an Assocaite Professor of Dental Hygiene. In 2020 she graduated from Western Governors University with a Master of Health Leadership degree. She loves working with Dent ED Online and helping others further their knowledge and skills in dentistry.In her free time, Jessica enjoys traveling with her husband and 2 dogs. If she is not working, you can find her on a local hiking trail or driving across the country on an adventure.

Dr. Isbell was born in Kansas City, Missouri, and moved with her family to Marietta,
Georgia, in 1995. She graduated from Sprayberry High School before earning dual degreesin Biology and Chemistry from the University of West Georgia, where she graduated Summa Cum Laude as a Presidential Honors Scholar.
She went on to earn her Doctor of Dental Medicine (DMD) from the Medical College of Georgia, College of Dental Medicine. Dr. Isbell is committed to continuing education and has completed numerous advanced courses in complex restorative dentistry, implant dentistry, clear aligner therapy, Botox and TMJ treatment, and cosmetic dentistry. Most recently, she completed a 300-hour Implant Mastery course, further expanding her expertise in dental implantology. Teaching the upcoming dental generation is one of her many passions and she loves to cultivate a fun and informative learning environment for her students.
Dr. Isbell has been practicing general dentistry in Georgia for the past 12 years. She spent the first 11 years as a partner in a dental practice in Acworth before returning to her hometown of Marietta to join her new work family at Reilly Dental.
A proud U.S. Army Reserve veteran, Dr. Isbell served for 8 years, during which time she met her husband. They now have two energetic boys and two sweet little girls. Outside of dentistry, Dr. Isbell is a passionate Georgia Bulldogs fan who enjoys taking cooking classes and getting lost in a good book.

Kelly is one of the original instructors with Dent ED Online. She has been teaching Sealant Application and Coronal Polishing for over 14 years. She is a highly knowledgeable dental hygienist and educator. She demonstrates professionalism and efficiency when she teaches and when she is clinically working. Kelly has practiced dental hygiene for over 41 years, both in periodontal and general practice. She is still going strong working clinically 4 days a week and teaching.
Kelly is highly active within her local and state dental hygiene organizations. She has served as the State’s Speaker of the House, Vice President and ADHA Delegate. She currently is serving as Knox Area’s President.When she is not clinically working or teaching, Kelly takes time for her family. She has been happily married for 24 years to her husband Mark. They have one daughter, Jaden who is attending WKU and will hopefully be entering Occupational Therapy School in 2025. When Kelly finds time, she enjoys traveling, kayaking, and reading.

Dentistry is in Diana’s blood; her grandfather, father, and brother were all in dentistry. She was destined to enter dentistry. Diana has been a dental hygienist for over 40 years, and she has loved every minute of it. She graduated from Lexington Technical Institute with an associate’s degree in dental hygiene and then received a bachelor’s degree in dental hygiene from East Tennessee State University. She is passionate about guiding her patients and colleagues in skills that will improve their dental care practices.
Diana is an instructor for Dent ED Online, a clinical hygienist for a general dentist, a professional educator on behalf of WaterPik, Inc., and a lifestyle coach. She is an active member of her dental hygiene organization and dedicated to learning the latest advancements in dentistry through ongoing education and professional development. When Diana is not working, you can find her enjoying the outdoors, cooking, and spending time with her family and friends.

Mollie is an enthusiastic, compassionate, and diligent dental hygienist who enjoys teaching. She received her undergraduate degree in elementary education in 2007. She graduated from Chattanooga State Community College in ‘21 with an associate degree and certificate in Dental Assisting. In ‘23 she graduated summa cum laude with her associates in dental hygiene. While at Chatt State, she served as class president for both dental assisting and dental hygiene classes. She received the Leadership Award and the Sigma Phi Alpha National Dental Hygiene Honor Society Award. Mollie is serving as her local dental hygiene association's president this year. She is currently practicing dental hygiene in Chattanooga. She is very excited to be a part of the Dent ED faculty to help her fellow dental professionals grow in their hands-on skills.Outside of working in the dental community, Mollie is a wife of 16 years to Jonathan and mother of Bennett (14), Aubrie (13), and Everett (8). She lives on breakfast food and good BBQ, loves to sing in her church choir, and has quotes from The Office at the ready for any occasion.

Dr. Ta grew up in a small college town called Davis in California. He spent a lot of this youth volunteering in the community. He wrestled in high school and raised pigs in the FFA. Dentistry was not his first career choice. He wanted to be a field biologist and research bacteria. His love for the micro world led him to pursue a bachelor's in microbiology and later work for a biotech company researching diatoms as an alternative energy source. After two years, Dr. Ta's desire to make an impact and serve the community inspired a career change and move to Cleveland, OH where he earned his Doctorate degree. His love for education did not stop there; he pursued additional training in General Practice Residency gaining skills in specialty fields such as oral surgery, endodontics, implantology, and pediatric dentistry. He is able to perform a full scope of dental procedures.Besides his love for dentistry, Dr. Ta enjoys time in the outdoors. He loves to fish, hunt, rock climb, and kayak. He likes to search for rocks and make jewelry from them. He enjoys traveling and has been to more than 25 countries. He has a lot of interesting stories and loves to share them. His passion for helping other people inspired him to volunteer with Remote Area Medical doing dentistry all over the state of Tennessee. Additionally, Dr. Ta is passionate about helping others achieve their fullest potential. In dental school, he was a life coach for his peers. Dr. Ta believes that we all could achieve greatness if we want to. He is happy to call Cleveland, TN home.

From a young age, Monse had a clear sense of her identity and aspirations. By the time she was just six years old, she already dreamed of becoming a dental hygienist. She graduated from Chattanooga State Community College summa cum laude in 2024 with an associate degree in Dental Hygiene. She also received the Golden Scaler Award. Monse is currently practicing dental hygiene in Georgia.
As a competitive athlete, she has always embraced the value of discipline, hard work, and resilience. This drive for excellence is what led her to pursue her career. In both sports and dentistry, the importance of preventative care cannot be overstated. Additionally, her time as an athlete has taught her the value of communication. She is a strong advocate when it comes to patient education no matter who you are. She strives to form bridges over the barriers. Latinos are a large patient population. Being a Latina hygienist allows her to educate patients more effectively and empowers them. Monse will always be ready to crack a joke. She strives to build trust and reduce anxiety, allowing her to create a welcoming environment for all patients. Monse enjoys spending her time in bed watching feel-good movies and playing soccer.