AboutJohn J. Killeen, DDS

John J. Killeen, DDS is a Slidell based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using advanced dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, veneers and more.

We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. Killeen and our team invite you to schedule an appointment by calling 985-570-9103 and experience why our patients think John J. Killeen, DDS is the best dentist in Slidell.

Dr. Killeen

Dr. Killeen

Dr. Killeen graduated from Louisiana State University School of Dentistry in 1975. He has been a practicing Slidell dentist since 1977. He is very active in continuing his education especially in the area of dental implants, crowns and dentures, cosmetic restorations, veneers and whitening your teeth for a lighter and brighter smile. Dr. Killeen is highly trained in full assessment and treatment of your dental problems and works with a team of doctors to assure you that you are receiving the highest quality care available using this multi-disciplinary or "circle of care" approach.


Patient Care and Education Coordinator

Lana retired from teaching to assist Dr. Killeen with patient care. She is highly trained as our patient care and education coordinator. She will explain your treatment in detail, answering any questions you may have and will coordinate your appointments within our office and with specialists. She will guide you through, step-by-step, your customized treatment plan. Lana has been a dental professional since 1986.

Watching the transformation of the patient to a healthy, smiling individual is so gratifying. It makes us feel good when we light up your smile!" - Lana



Sue heads our hygiene department. She will clean your teeth and provide the services needed every 2-6 months to keep your teeth in tip-top shape. Sue has been practicing for 31 years. She has been trained to recognize signs of oral disease which can be connected to heart disease, diabetes and respiratory problems. She will guide you through the educational process to enable you to keep your teeth for a lifetime.

"Dentistry is awesome! Helping my patients maintain a healthy, beautiful smile is so rewarding. I enjoy teaming up with Dr. Killeen and bringing smiles to our patients' faces." - Sue