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Palomar College Learning For Success

Palomar College Dental Assisting

Registered Dental Assisting Program


Faculty Information and Office Hours 

All Dental Assisting Faculty have offices in HS 107


Program Director/Associate Professor

Telephone 760-744-1150 ext. 2571


Office Hours for Spring 2020:

Mondays: 11:00- 12:00 & Wednesdays 11:00-3:00


Denise Rudy has over 26 years experience in the dental field, a Clinic Director, an Expanded Function Dental Assistant, Registered Dental Assistant, Certified Dental Assistant, Oral Surgery Assistant, and Office Manager.  She earned her EFDA license through Ohio State University, and The Ohio Commission on Dental Testing. She has practiced dentistry in Cincinnati and Columbus Ohio, Key West Florida, and Cape May New Jersey.

She earned her Baccalaureate degree from California State University San Marcos in Social Science with a single subject waiver with the intent to teach.  She was hired as the Program Director/Associate Professor of the RDA Program at Palomar College in 2003 after working part-time as an adjunct instructor at both Mesa and Palomar Colleges.

She is a member of the American Dental Assistants Association, and the California Association of Dental Assisting Teachers. She has completed coursework in educational methodology at CSUSM and attended numerous continuing education classes over the past 13 years. She has done extensive research in infection control methods and dental materials, as well as participating in textbook review in those areas. She teaches a pre-requisite class, extended functions, infection control, and other dental assisting laboratory procedures, as well as directing the externship program.  In addition, she has recently completed a sabbatical in which she studied Spanish in an immersion program in Spain and Mexico.  In her free time she enjoys traveling, nature, and taking classes in meditation and art.

Adelina Hernandez-Coria, RDA/CDA/BS

Adelina Picture

Registered Dental Assisting Program Associate Professor

Telephone 760-744-1150 ext. 2524



Tuesdays: 1:00-2:00 

Wednesdays & Fridays 4:40-6:40

Adelina Hernandez- Coria has over 25 years experience in the dental field. She graduated from the University Autonomous of Baja California (UABC), School of Dentistry in 1991 with a degree in Doctor of Dental Surgery (DDS). She completed one year of social service in the Fixed Prosthesis Laboratory, School of Dentistry (UABC). In 1992, she was granted licensure in Mexico, where she practiced in Mexicali, Baja California for two years. Shortly after that she became a Registered Dental Assistant (RDA) and practiced for ten years primarily in general dentistry private practices.

In 2002 she became a Certified Dental Assistant (CDA). Ms. Hernandez-Coria has been an Associate Professor in the Dental Assisting Program for 15 years. She has taught almost every course offered in the Dental Assisting Program. Currently, she teaches Dental Operative and Advance Operative Procedures, Dental Radiography Laboratory, and Dental Sciences Course, which is a prerequisite to enter the Dental Assisting Program. She is a member of the California Association of Dental Assisting Teachers, American Dental Assistants Association, and has completed course work in teaching methodology at California State University San Bernardino. In her free time she enjoys traveling and fitness.

Claudia Perkins, CDA/RDH/JD

Registered Dental Assisting Program Adjunct Instructor

Telephone: 760-744-1150 ext. 2571


Spring 2020 OFFICE HOURS: Fridays 11:15-12:15

Claudia Perkins began her career in the dental field in 1980 as a dental assistant.  She graduated from Cerritos College Registered Dental Hygiene Program in 1984 and worked in dental offices as a dental assistant and registered dental hygienist.  Ms. Perkins’ passion for dental health-care policy led her to earn her Baccalaureate degree from California State University, Fullerton with a degree in Political Science and a Juris Doctorate from the University of Michigan Law School. In addition, Ms. Perkins completed coursework in educational methodology at UCSD.  As a certified dental assistant, registered dental hygienist and an attorney, Ms. Perkins brings vast experience in all aspects of dentistry to her students.

Ms. Perkins has been an adjunct instructor in the Registered Dental Assisting Program at Palomar College since 2009. Ms. Perkins teaches Preventive Dentistry, Dental Radiology, and a pre-requisite class within the Program. Ms. Perkins also prepares the students for the Law and Ethics Examination portion of the RDA Exam. She is a member of California Association of Dental Assisting Teachers, American Dental Assistants Association and the California Bar Association.

Ms. Perkins has a passion for community service and she volunteers with her students in the dental community.  She enjoys sharing her love of dentistry with her students and believes in imparting to them the difference they can make in their patients’ dental care. Ms. Perkins other passions include camping with her family and practicing yoga.


Hedi Allen-Hydo BA/DDS

Registered Dental Assisting Program  Adjunct Instructor

Telephone: 760-744-1150 ext. 2571


Hedi Allen-Hydo became a Registered Dental Assistant at 18 years old.  She worked for her father who was a dentist, while putting herself through college.  She received her Bachelor’s degree in Developmental Psychology and Education from California State University-Chico.  Soon after she became a Dental Office Manager for several years before deciding that she wanted to become a dentist.  She graduated with her doctorate degree from University of Pacific Dental School in 1993, which is also where she met her husband Chris.  Hedi practiced dentistry for seven years before deciding to stay home to raise her children.  Her husband Chris has a local Orthodontic practice in the San Diego area where she often works in different positions. Dr. Allen-Hydo started teaching at Palomar College in 2004.  She has taught Radiology, Dental Materials, Dental Practice Management, Dental Sciences and Occupations, and Operative Dentistry.  She is a member of the ADA, and the CDA.  She has enjoyed seeing the students at Palomar grow and learn to love a new career.  In her free time she enjoys painting with acrylics and oils, wine tasting, and watching her sons play lacrosse.