| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| NBDHE Flashcard Study System: NBDHE Test Practice Questions & Exam Review for the National Board Dental Hygiene Exam | 978-1-61072-205-6 (1-61072-205-1) | 2013 |
| NBDHE Secrets Study Guide: NBDHE Test Review for the National Board Dental Hygiene Exam | 978-1-61072-204-9 (1-61072-204-3) | 2013 |