Elite Dental Care TN | Our Dentistry Team - Elite Dental Care - Oak Ridge Dentistry
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Elite Dental Care TN

Meet Our Elite Dental Team

Our goal is to provide for the patient’s needs in a caring, sensitive manner generating comfort and satisfaction for our patients and the dental team. We believe that value is best delivered by a excellent staff using the best quality materials in an efficient manner, and, that the ultimate benefit to the patient is to have attractive teeth that will be beautiful, functional and comfortable for a lifetime.

Meet Dr. Lenihan

I arise every day looking forward to assisting my patients in achieving their optimal oral health. The Beautiful Smiles we achieve are the result of the patient’s desire for the Beauty of Nature and our ability to technically assist them toward their goal of Oral Health.

I was born in Oak Ridge, TN. I graduated from Oak Ridge High School in 1969 and received a B.S. degree from the University of Tennessee in 1973. My wife, Marla, and I have two children who are both Attorneys: a son, Brennan, and a daughter, Meighan, and are very pleased to be back “home” in East Tennessee.

I attended dental school at the University of Tennessee at Memphis and graduated with a Doctor of Dental Surgery degree in 1976. I was selected as one of four residents in 1982 to pursue a post-graduate degree at the United States Air Force Medical Center in San Antonio, TX, in Prosthodontics (crowns, bridges, implants, etc.). I graduated as a Prosthodontist in 1985.

I have been an instructor at the University of Tennessee Dental School, been active in the American Cancer Society, and instrumental in developing continuing education programs during my ten years in the Air Force. I have done many lectures on occlusion and TM Dysfunction, various diagnostic procedures, and restorative dentistry to Regional and National dental meetings.

I am a member of the American College of Prosthodontics, the American Dental Association, and the Tennessee Dental Association. I am involved in several Community organizations: Oak Ridge Rotary Club, Chamber of Commerce, Public School Education Foundation, which helped rebuild the ORHS, and St Mary’s Parish.

Success and happiness are not to be found at the end of the journey, but in the way we lead our lives each day.


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Hello! My name is Deanna, or DeeDee to some! I earned my Certificate in Dental Assisting (CDA) in 1988 while living in Illinois and obtained my Registered Dental Assistant (RDA) status after moving to Tennessee in 1994. I earned my Certificate in Dental Practice Management Administration (CDPMA) in June 2004. I have been working with Dr. Lenihan either chairside or at the front since April 1995. I enjoy helping our patients with their clinical treatment planning and financial needs!


dentists in oak ridge Hi! My name is Mandy. I have been a dental hygienist since 2003 and was a dental assistant before transitioning into hygiene. I graduated from the dental hygiene program at Roane State Community College where I earned the Golden Scaler Award! I enjoy spending time with my family when I am not working. I am looking forward to helping our patients achieve their best oral hygiene results!


Hi! My name is Leah. I joined the Elite Dental Care TN practice in the summer of 2019. I graduated from Ross Medical Education Center where I earned my Registered Dental Assistant license with the State of TN. I enjoy spending time with my family and friends in the great outdoors! I have enjoyed working chairside with Dr. Lenihan getting to know the terrific patients at Elite Dental Care TN! I am looking forward to a great future with Dr. Lenihan and our team!