Dr. Jaynes' commitment to excellence has been evident throughout her studies and distinguished dental career. After earning her Bachelor of Science degree from the University of Mississippi in 1988, she obtained her Doctor of Dental Surgery degree from the University of Tennessee Medical Center, graduating in the top 10 percent of her class in 1992. She also received the Oral Medicine Award during her dental education.

In 1995, she graduated from Baylor College of Dentistry's Periodontics program, simultaneously earning her graduate certificate in periodontics and a Master of Science degree.

Dr. Jaynes is a Board Certified Periodontist and a Diplomate of the American Academy of Periodontology. Throughout her career, she has completed an average of 30 hours of continuing education annually, with a strong emphasis on implantology and cosmetic dentistry.

She serves as an associate professor in the hygiene department at Collin College and has been an active leader in organized dentistry. Dr. Jaynes is highly involved with the Dallas County Dental Society, where she received the Young Dentist Award early in her career. She also served as Co-Chair of the 2025 TDA Meeting, helping lead one of the association's premier educational and networking events.