To participate in the Assessment of Clinical Skills (ACS), you must have passed the Assessment of Fundamental Knowledge (AFK).

Log on to your online profile to register for an assessment.

Format and Content


The ACS is a two-day assessment during which you perform a series of dental procedures on simulated patients (manikins) in a clinical setting.

Each day you will receive:

  • A typodont, labelled with your ID number mounted in a manikin on a dental chair.
  • A list of teeth for practice preparations.
  • A detailed list of required procedures specifying tooth numbers and surfaces.
  • A Participant Communication form which may be used to provide comments to Evaluators.

You will also receive a scheduled time to perform the Rubber Dam Requirement.


During the assessment, you will be required to perform the following:

  • Class II amalgam preparation.
  • Class III composite resin preparation.
  • Full metal crown preparation.
  • Metal-ceramic (porcelain fused to metal) crown preparation.
  • Endodontic access preparation on a molar tooth.
  • Direct Class II composite resin restoration on a pre-prepared* tooth
  • Direct Class IV composite resin restoration on a pre-prepared* tooth
  • Class II amalgam restoration on a pre-prepared* tooth.
  • Provisional crown restoration for a pre-prepared* metal-ceramic (porcelain fused to metal) crown preparation on Day 2 of the assessment. The original unprepared tooth will be in the typodont used on Day 1 of the assessment.
  • Rubber dam application

* a pre-prepared tooth will be supplied.

Participants will also be evaluated on the following:

  • Record keeping.
  • Infection control and material hygiene.

ACS Protocol

The protocol contain important information regarding the ACS. This document should be read carefully.

Download the 2017 ACS Protocol in PDF format.

Passing Standard

You will receive a grade for each requirement as determined by the evaluation criteria for the requirement and the “Grade Derivation Grid”.  The final result will be determined using the “Final Result” Grade Derivation Grid.

In order to pass the ACS you must obtain:

Eight or more grades of A / A+ and no E grade
Nine or more grades of A / A+ and no more than one E grade

The Grade Derivation Grid can be found in the ACS Protocol.

You can take the ACS a maximum of three times.

Viewing ACS Typodonts

If you have taken the NDEB Assessment of Clinical Skills (ACS) and would like to view your typodonts in person, go to  to book an appointment.

Appointments times are available weekly, from Tuesday to Thursday. The appointment scheduler will indicate that appointments are five minutes. This is your arrival time. Refer to the “During your appointment” section below for more information. 

Once you have booked an appointment online, you will receive a confirmation by email. If you do not receive a confirmation email, do not book another appointment. Please email to assist you with your booking.

If an invalid Participant ID number is entered in the online scheduler, or if multiple appointments are scheduled using the same Participant ID number, your appointment(s) will be cancelled. 

Booking Policy

Only one appointment per participant is permitted. Requests must be made within three months from the date of the release of results. Only participants who received a failing grade can request an appointment to view their typodonts. Participants with a pass result are not eligible to view their typodonts.

One person may accompany you during your appointment. If someone will be accompanying you, you must notify our office by email at no later than two business days prior to the appointment. The NDEB office is in a secure building; therefore, no other persons will be permitted in the building. Government issued photo identification must be presented upon entering the building. The name appearing on the identification must match our records.

If you are unable to come to the NDEB office to view your typodonts, you may send a representative in your place. Written authorization allowing a representative to view your typodont, including the representative’s full name, email address, mailing address, and telephone number, must be emailed to

Prior to your appointment

About 5 days before your appointment, you will receive an email providing you with an electronic copy of the following documents:
  • Participant Communication Form
  • Invigilator Notes Form
  • Infection Control Grading Form
  • Record of Procedure Grading Checklist
  • Rubber Dam Grading Form
  • Photographs of the evaluation session, if applicable 

During your appointment

Appointments are normally 1.5 hours long. At the beginning of the appointment, an NDEB staff person will provide you with detailed instructions on what you can bring into the viewing room. You will be provided with:

  • An electronic copy of the documents previously emailed to you
  • A plastic perioprobe
  • A light
  • Paper to take notes
  • Pens or pencils
  • Surveyor

During your appointment you are permitted to take notes and pictures. Teeth cannot be removed from the typodonts. You are not permitted to take impressions, use dental floss, articulating paper, or putty.

Food and drink are not permitted in the viewing room. If you require a break during the viewing, notify the NDEB staff person.

To cancel or reschedule an appointment, email Appointments cannot be cancelled or rescheduled through the NDEB online scheduler. 


Compassionate Appeal

If you feel you were disadvantaged by a personal circumstance beyond your control during an Assessment, you can make a request for a Compassionate Appeal to the NDEB. Compassionate Appeals must be received in writing within one week of the Assessment.

For detailed information regarding the Compassionate Appeals Process view the NDEB By-laws & Policies regarding Assessments and Examinations

Submitting an ACS Appeal

If you fail the Assessment of Clinical Skills (ACS), you may submit a written appeal to the NDEB provided the submission is received within three months of the release of results. The submission must be emailed to in PDF format and must include the grade(s) that you want to appeal and outline the reasons why you want the grade(s) changed. No other type of appeal submission is acceptable, including a video or USB. You are not required to view your typodonts in person to submit an appeal.

The ACS appeal fee must be paid by credit card through the “Other Services” tab in your NDEB online profile.

The NDEB Appeals Committee will review your submission, all related correspondence, grade sheets, and your typodont(s) with all assessment teeth in position. Decisions of the Appeals Committee are final. There is no re-appeal or second appeal of the Appeals Committee decisions.

For detailed information about how to submit an ACS Appeal, login to your online profile or download the NDEB By-laws and Policies Regarding Examinations and Assessments from the NDEB website.