Dental Hygienist

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.

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 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.