Dr. Brenda Casillas, affectionately known as "Nena," has dedicated over 26 years to the dental field. Her journey began as a dental assistant in 1999. Through hard work and passion, she advanced to become a dental hygienist after earning her degree from Oxnard College in 2008. As of 2025, she brings 17 years of experience as a dental hygienist. She obtained her Dental Hygiene in Alternative Practice (RDHAP) certification from the University of the Pacific in San Francisco in 2012. In addition, she taught at Oxnard College in the dental assisting program for 10 years, where she mentored the next generation of dental professionals. Continuing to pursue her dream, Dr. Casillas graduated from La Salle Bajio University in Leon, Guanajuato, Mexico in 2023. She completed a one-year internship and officially earned her Doctor of Dental Surgery (DDS) degree in 2025.

Outside of her professional life, Dr. Casillas cherishes spending quality time with her husband, Fermin, and finds joy in expressing her cultural roots through ballet folklórico dancing.

Smile Makeovers in Ventura

If you’ve been dreaming of having a beautiful smile, be sure to check out our full menu of cosmetic dental options. Dr. Speckman provides in-house teeth whitening, custom whitening trays, composite bonding and even no-prep dental veneers. We’ll get you smiling again in no time! Enjoy the confidence and joy that a beautiful smile can give you.

New patients are always welcome. For over 25 years, Dr. Speckman has delivered honest, gentle care that our patients in Ventura, CA trust. Your search for a dentist in Ventura is over! Call Speckman Dental Care today!