The Cornerstone Family Dental Team

Meet the team that provides honest and necessary dental services.


Whitney Wilson, DMD

Dr. Whitney Wilson has lived in the South Nashville area since 2013. She graduated Cum Laude from Georgetown College and earned her Doctor of Dental Medicine from the University of Louisville School of Dentistry.

Penny Lay, RDH

Penny Lay has lived in the Nashville area since 2016. She graduated from National University of Health Sciences with a Bachelor of Science in Biomedical Science, and a minor in Nutrition. Penny then earned her Associate of Applied Science in Dental Hygiene from the Prairie State College.

Catalina Orellana, RDA

Kathy Orellana has lived in the Nashville community for many years. After attending John Overton High School and Antioch High School, Kathy received dental assisting training at Lipscomb University. As a Registered Dental Assistant with over 10 years of experience, Kathy assists Dr. Wilson with various dental treatments and procedures, as well as works very closely with our orthodontic patients.

Mirella Guadarrama, RDA

Mirella Guadarrama has lived in Nashville her entire life. After graduating from John Overton High School, Mirella went on to receive her Registered Dental Assistant license from The Dental Assisting School of Nashville. She is an outstanding bilingual dental assistant with a passion for delivering dental health. Mirella brings many years of customer and patient experience to Cornerstone. She prides herself on ensuring the office remains clean and organized. She loves to provide a gentle and caring environment for each patient that visits the office. Her mission in life is to always have a positive attitude regardless of how difficult thing get, and to bring love and laughter to everyone around her. Mirella’s goal is to be successful in everything she does and to never stop learning. Outside of being a dental assistant, Mirella loves being with her friends and family. She enjoys reading, hiking, and spending time with her cat and gecko.

Alma Mancia, RDA

Alma Mancia is the first smiling face you see when you arrive at Cornerstone. After studying accounting at Union County College, she studied dental assisting at Kaplan Career Institute. She received her Registered Dental Assistant diploma from Kaplan where she had perfect attendance, maintained a 4.0 GPA, and earned her place on the Dean’s List.

Schedule Your Appointment Today

Fill out the form below and we will contact you during our working hours. If you have a dental emergency, please call (629) 888-3386. Please note that it may take up to 12 hours to get a response from the online appointment request form.