Dental Radiology

This program is designed to present the basic principles of dental radiology. The student will be trained on the origin, production and utilization of radiation in dentistry. Emphasis is placed on the concepts of radiation safety and patient management.

The program includes: 25 lecture hours and 20 laboratory hours. The student will gain practical experience in exposing, processing, and mounting dental radiographs of diagnostic quality.

The Dental Radiology Program for Dental Assistants is accredited by the New Jersey Radiologic Technology Board of Examiners. Successful completion of the course, passage of the Radiation Health and Safety exam, along with complete demonstration of live clinical radiological competence will fulfill the educational requirements for the NJ Limited Dental Radiologic Technologist Licensure.

NJHPDI has been recognized by the State of NJ as having one of the highest percentile passage rates (with a passing rate of 100%).




Wednesdays 9:00am - 2:00pm

May 10th, 2023 - July 12, 2023


Mondays 6:00pm - 10:00pm

January 9th, 2023 - March 27th, 2023*


Now Accepting Applications for 2023

All application documentation can be sent to:

  • Email:
  • Fax: (201) 342-0504
  • Mail: 1060 Main St. River Edge, NJ 07661

Cost of Attendance: $1,095

includes application fee, tuition, books, supplies & lab fees

Rina Nowka

Rina Napolitano-Nowka,

Radiology Curriculum Development/Instructor

Rina Nowka is a practicing dental hygienist for over 30 years. She received her RDH at Bergen Community College, her Bachelor of Science Degree and her Master of Arts Degree in Health Education from Montclair State University. For 9 years, Ms. Nowka was a Clinical Assistant Professor in the Dental Hygiene Program at NYU College of Dentistry. Ms. Nowka worked for Colgate Oral Pharmaceuticals as a Professional Sales Representative and National Trainer.

She has published in the Journal of Dental Education and has lectured at numerous dental meetings. She is currently an Adjunct Professor at Bergen Community College in the Dental Hygiene Department.


Maria Brown,

Vocational Director/Instructor

Maria Brown is a registered dental assistant, and has been a certified assistant in both general dentistry and orthodontics. Ms. Brown has spent several years as a treatment planning coordinator for a large multi-specialty dental group practice and has extensive experience presenting complex treatment plans to patients. Ms. Brown has attended numerous conventions all over the United States. She has acquired an exceptional knowledge of the educational and practice needs of dental health professionals. Ms. Brown has held the following positions in the dental field: dental assistant, orthodontic assistant, dental receptionist and dental office manager. She is currently one of the administrators for NJHPDI, having been involved in its development since inception. Ms. Brown also teaches Basic Life Support to Healthcare Providers.