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.

Following her belief in serving the community, Dr. Wilson has provided dental needs from the underserved of Davidson, Rutherford, and Hickman Counties, as well as participated and led multiple dental mission trips to Uganda, Guatemala, Haiti, and various parts of the United States. Prior to joining Cornerstone, Dr. Wilson served as the Director of Outreach for Hope Smiles, a volunteer organization providing dental services to the underserved across the United States and around the world.

Outside of practicing dentistry, Dr. Wilson loves spending time with her husband, Barrett. Dr. Wilson also enjoys running, cooking, reading, and volunteering with her church (Axis Community Church) and the Nashville refugee and immigrant community.

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.

Alma brings a multitude of experience in dentistry and customer service to Cornerstone Family Dentistry. She greatly enjoys continuing her dental education, developing her professional skills, and providing a good testimony. Her goal is to become the best she can be at everything that she does.

When she isn’t practicing dentistry, Alma assists with the women’s ministry at her church as well as sings with her church choir. She enjoys reading the Bible and spending time with her husband and son.

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.

Penny prides herself on having steady hands and a gentle touch that allows patients to avoid any pain or discomfort while getting their teeth cleaned. She is passionate about educating patients on good oral health, and enjoys calming any fears that patients may have while visiting the dentist. Penny’s mission in life is to make a positive impact on someone else’s life each and every day. She is currently a student of Spanish and hopes to become fluent in other languages as well.

Outside of practicing dental hygiene, Penny loves to explore everything the city of Nashville has to offer. She enjoys live music, great food, and the outstanding hiking and biking paths in our city. Penny also enjoys practicing photography and playing the piano.

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.

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.

Kathy brings many years of expertise to Cornerstone Family Dentistry and is an outstanding dental assistant. She is passionate about increasing her knowledge of the dental field, expanding her skillset, and learning to do even more as a dental professional.

Kathy’s mission in life is to help others in anyway that she can. Her desire is to lead her children and family well, and to teach them to make the right choices as they grow up. Outside of practicing dentistry, Kathy loves spending time with her family and going on vacations to the beach.