Our Staff


Five experienced, patient-friendly staff members in Dr. Tibbetts’ Arlington Periodontics office are ready to welcome and assist you with your specific treatment concerns. We are a primary care office, who will diagnose your overall dental health problems, and offer explanations and treatment of your dental needs. Our staff consists of the Office Manager, Melissa, the Periodontal Assistant, Joanne, Accounts Payable/Payroll Manager, Mary Jane Tibbetts, and Hygienists, Sally and Jill. The staff has a collective total of 122 years of service with Dr. Tibbetts.

The goal of the entire office is to create a knowledgeable climate of warmth, understanding, attention and friendly non-confrontational communication for our patients and their referring dentists.


Melissa began her career in dentistry in a small, one person office in Austin, Texas and soon knew that dentistry was the perfect fit for her. She brings over 30 years of experience in all aspects of dentistry. She has worn many hats in dentistry from dental assistant, practice manager and consultant. Melissa's patience and attention to detail make her a welcome addition to our practice. "I enjoy being among experts in my field and love getting to know our patients to ensure they have the highest quality of care on all levels."

Melissa and her husband Eddie have 7 grown children and 5 grandchildren. Now that they are empty nesters they enjoy traveling, being on the lake and spoiling their two miniature dachshunds.

Periodontal Assistant

Joanne has been a Certified Registered Dental Assistant for 20 years, since completing a one year dental assisting school, followed by an internship in a dental office. During that time, Joanne gained a great deal of experience with all types of dental practices and dentists. She loves meeting new people, particularly in the dental office, and helping them to feel better about themselves through the art and practice of dentistry. She has been a valuable member of our office team for the past three years.
Joanne is the mother of two teenage sons. Her greatest pleasure outside of the office is spending time with her sons, family and friends. Born in Myrtle Beach, South Carolina, she moved to Arlington as a young child, and has made Arlington her home ever since.

Registered Dental Hygienists

Sally, an Arlington resident since the sixth grade, has worked with Dr. Tibbetts since 1975. A relatively new employee in the office for the past forty-three years, Sally was initially Dr. Tibbetts' periodontal assistant before returning to school to become a dental hygienist. She worked part-time for Dr. Tibbetts while attending hygiene school, graduating from Tarrant County College in 1979, as an RHD and returned to work full time. Sally and her wonderful husband, Jody, who works for Rocket Software, have been married for thirty-six years. They have three grown children, Jared, Adam and Sarah who are all married. They love being empty nesters, and are the proud grandparents of Hannah, (3) and Brother Caleb (2).

Sally, an extrovert, loves people. Her hobbies include walking with her husband, dancing, and watching various sporting events, when not on her way to visit her grandbabies!

Sally says that she would like to work with Dr. Tibbetts for another forty-three years.

Jill graduated from Tarrant County College in 1984, as a Registered Dental Hygienist (RDH). She, too, is a relatively new employee, who has worked for Dr. Tibbetts for thirty-four years. and says that she feels as though the office staff and Dr. Tibbetts are her second family.

Jill's husband, Jim, is a wonderful man. They have been married for thirty-one years. Jim is a mechanical engineer with Lockheed Martin. They are blessed with four wonderful adult children, Josh, Jace, Jessica and Jenna. Jim and Jill now have 1 grandson, Asher and are anxiously awaiting the arrival of 2 more this year.

Jill's hobbies include watching college football, working in her yard and flower beds and reading good books.


Mary Jane Tibbetts has been a part-time accounts payable/payroll manager for forty-four years. as she is a detailed person. Mary Jane has been both a former elementary school teacher and an employee of Exxon Production Research Company. When she and Dr. Tibbetts met, he was a freshman dental student and she worked for Exxon. Mary Jane and Dr. Tibbetts celebrated their fifty-second wedding anniversary in November, 2015. She has an elementary education degree from Texas A & I University, with three years of teaching experience, prior to completing business and secretarial skills courses at Texas South Most University.

The mother of two successful sons, Todd, and Seth, and five grandchildren, Brendan, Jake. Austin, Caroline and Clara. Mary Jane's leisure time is most enjoyed watching her sons' accomplishments, adoring her grandkids, reading and traveling.