NBDE Exam Info *As reported on the American Dental Association Website. We cannot guarantee that all of the information on this page will stay current with the ADA site. We strongly recommend you check their website to confirm any doubts.

Overview

The National Board Dental Exam Part I is usually taken after two years of dental school. It consists of four examinations on the basic biomedical sciences titled: * Anatomic Sciences * Biochemistry-Physiology * Microbiology-Pathology * Dental Anatomy and Occlusion Each of the four Part I examinations consists of approximately 100 multiple-choice test items. Beginning in 2007, Part I will be a comprehensive exam with 400 muliple-choice items. Approximately 20 percent of the items will be grouped into testlets with interdisciplinary focus and clinical application. Specifications for the National Board Dental Examination Part I appear in the written National Board Dental Examination Candidate Guide.


Official List of ADA Recommended reference texts


National Board Part I

  • Anatomic Sciences
  • Biochemistry-Physiology
  • Microbiology-Pathology
  • Dental Anatomy and Occlusion


  • Supporting Documentation

    NBDE Specifications PDF file/39k

    NBDE Part I Sample Test | PDF file/252k

    NBDE Part I Test Item Formats | PDF file/52k

    NBDE Part I Candidate Guide | PDF file/770k (Contains Exam Application)`

     

    National Board Score Reports Request Form | PDF file/9k

     


    Computerized Exam Information

    Candidates submitting their application online will pay by credit card. Candidates can also apply using the paper application included in this booklet. Only money orders or certified checks are accepted with the paper application. Cash or personal checks will be returned with the application. ADA or ASDA members may pay by personal check, but their membership number must be recorded on the check.

    The computerized Part I National Board Dental Examination is administered by Thomson Prometric at Prometric Testing Centers only in the United States, its territories, and Canada. The computerized examination is presented in the multiple-choice format and includes the same content and same time schedule as the written examination.

    If the application and fee are acceptable and the candidate meets the eligibility requirements for testing, the application will be processed. After the application is processed, Prometric will receive notification of the candidate's eligibility for testing and the candidate will receive instructions by letter to call the Thompson Prometric National Registration Center. The candidate will receive an 800-number to call to register for the test. The day, time, and place for taking the examination will be arranged by the candidate when he or she calls the 800-number and registers with the Thompson Prometric National Registration Center. The Thompson Prometric National Registration Center requires at least a 48-hour lead time to process eligibility files before it can schedule appointments at Prometric Testing Centers. Candidates can also schedule online for the computerized Part I National Board Dental Examination at

    A list of test centers can be found at www.Prometric.com

    The candidate is eligible for only a 12-month period. If the candidate does not call, register and take the computerized Part I during this period, the candidate will have to submit another application and fee in order to take the examination later. The eligibility period will not be extended. Please note that a candidate is permitted only two opportunities to take the Computerized Part I Examination within a calendar year. A minimum of 90 days must separate a candidate's re-examination on Part I.

    It is the responsibility of the test applicant to complete clearly and accurately all portions of the application form. No application can be processed unless the completed application form and fee are received at the same time.


    Fees

    The computerized Part I examination fee is $220. The basic fee for re-examination is $95 plus $30 per subject. All requests for official transcripts of scores received after the time of application require a $15 charge per transcript.
    Test Results

    Official National Board scores will be sent to the candidate approximately three to four weeks after completing the computerized examination.


    Schedule for Part I Sessions
    Morning
    Sign-in Tutorial
    Three and ½ hours Anatomic Sciences and Biochemistry/Physiology
    Lunch Break- one hour Length of lunch break is optional up to the maximum of one hour
    Three and ½ hours Microbiology/Pathology and Dental Anatomy and Occlusion
    Candidates are required to take all examinations assigned. A score of zero is reported for any assigned Part I examination or re-examination not taken.


    WRITTEN EXAM INFORMATION

    Examination Dates

    Written National Board Part I Dental Examinations are administered on the same dates at all open testing centers. At least 90 days must separate the Part I examinations of any candidate.

    Part I is offered twice per year—in July and in December, requires one day and is always administered on a Monday. The following table lists dates on which the written National Board Part I Examination will be offered through 2006 together with the application deadline for each testing date.

    Part I Testing Date
    Application Deadline*
    July 17, 2006 June 5, 2006
    December 11, 2006 October 30, 2006
    * Date by which the application must be received in the Central Office

    A letter will be sent after the application and fee are processed. The letter verifies that they were received. For those candidates whose applications are accepted, admittance cards will be sent about three weeks before the test date.

    After the examination on December 11, 2006, the Part I examination will no longer be administered in written format. The Part I examination will be offered only by computer at Prometric Testing Centers.

    Examination Fees

    The written National Board Part I Dental Examination fee for 2006 is $165. The fee for re-examination is $90 plus $10 per subject for the written exam.

    Candidates submitting their application online will pay by credit card. A paper application is also included in this booklet. Only money orders or certified checks are accepted with paper application. Cash or personal checks will be returned with the application. ADA or ASDA members may pay by personal check, but their membership number must be recorded on the check.

    If a candidate fails to appear for an assigned examination, the candidate's examination fee, minus a $90 processing fee, will be refunded only upon written request. Refund requests must be received no later than 2 weeks after the test date. It takes approximately 60 days after administration of the examinations to process a refund.

    Reporting Time and Schedule for Part I Sessions

    Time
    Schedule
    8:30am Reporting Time
    8:45am Instructions
    9am–12:30pm Anatomic Sciences
    Biochemistry-Physiology
    12:30–1:30pm Lunch Break
    1:30–5:30pm Microbiology-Pathology
    Dental Anatomy & Occlusion

    Candidates are required to take all examinations assigned. A score of zero is reported for any assigned Part I examination or re-examination not taken.

    A candidate who reports late is admitted; however, such admission may be delayed to avoid disruption of the test administration team who might be giving instructions at that time. Also, a candidate who starts late must complete work by the expiration of the regular time period. Extra time will not be granted.