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The NDECC® replaced the ACS in 2022.​

The purpose of the NDECC®  is to assess the clinical competence of dentists trained in non-accredited programs. The NDECC®  will be administered in the new NDEB® Test Centre located in Ottawa, ON. The examination will be offered multiple times a week throughout the year.

The NDECC® can be taken an unlimited number of times in a 60 months period.

Format and Content

During the two-day examination, you will perform seven clinical requirements on simulated patients (manikins) in a clinical setting and 10 situational judgement requirements.

Component 1: Clinical Skills 

​The clinical skills component assesses clinical skills and techniques relevant to current Canadian standards.

Class II amalgam preparation

Class II amalgam restoration

Class II composite restoration

Class IV composite restoration

Crown preparation

Provisional restoration

*The provisional restoration will be fabricated on the examinee’s crown preparation.

Endodontic access cavity preparation

Component 2: Situational Judgement

The situational judgement component assesses judgement required for solving problems in work‑related situations.

Patient-Centered Care

Examples: Assess caries risk, Manage patients’ needs, Gather data, Develop a problem list, Establish diagnoses, Sequence treatment, Plan treatment, Maintain records


Examples: Respond to ethical dilemmas, Manage referrals, Use social media appropriately

Communication and Collaboration

Examples: Maintain privacy, Maintain records, Write a referral, Write a lab prescription, Discuss treatment, Document informed consent, Demonstrate cultural competence, Interact with staff , Give post-op instructions

Practice and Information Management

Examples: Manage patient records, Follow protocols, Make evidence-based decisions

Health Promotion

Examples: Demonstrate an understanding for social determinants of health, Promote access to care for all individuals, Promote measures to prevent oral disease/injury, Advocate for patients

The scenarios in the above table are examples and do not reflect all situations that can be assessed.


The NDECC® Protocol provides specific details regarding the format and grading criteria as well as the examination blueprint. The Protocol should be read carefully.

Download the 2022 NDECC® Protocol

Clinical skills equipment, instruments and supplies​

The NDECC® Practical Guide contains information about the NDECC® Test Centre and is designed to provide examinees with details about the facilities, instruments and materials provided, as well as answer frequently asked questions about the examination and Test Centre. This document will be updated when new information is available.

Download the NDECC® Practical Guide Revised March 23, 2022

Registering for the NDECC®

Once you pass the Assessment of Clinical Judgment (ACJ), you are eligible to register for the NDECC®.


Log in to your NDEB online profile to register and pay for the examination.

Select you preferred exam date

You will see all the available sessions in the exam window. Select your preferred exam date. Keep in mind that the exam date you select is tentative, and that you will need to be flexible within the month of the exam. The exact date of your NDECC exam will be confirmed when registration closes. Once confirmed, you will receive a confirmation email.

Consult the withdraw policy

There is a withdrawal fee of 50% for withdrawals that take place during the registration window. Visit the Withdraw from an Examination page for information related to the NDECC™ withdraw policies.

Online profile update

Always keep your online profile up to date. Make sure that the language in which you wish to take the exam and your left/right handedness is updated in your online profile. ​

Upcoming NDECC® Sessions

The NDECC® will be delivered throughout the year. You can look at upcoming NDECC® sessions on the NDECC® calendar. Click on the exam date to see the registration window and evaluation period for the exam you want to take.


Exam Date7 - 8 September 2022 Registration Deadline17 July, 2022 21:00 EST
Registration open date: 04 July, 2022 10:00 EST


Exam Date14 - 15 September 2022 Registration Deadline17 July, 2022 21:00 EST
Registration open date: 04 July, 2022 10:00 EST


Exam Date19 - 20 September 2022 Registration Deadline17 July, 2022 21:00 EST
Registration open date: 04 July, 2022 10:00 EST


Exam Date12 - 13 September 2022 Registration Deadline17 July, 2022 21:00 EST
Registration open date: 04 July, 2022 10:00 EST

Frequently Asked Questions

When you register for an NDECC™ session you will be informed of when your work will be evaluated. There are currently four evaluation session planned per year. The number of weeks between your examination and the evaluation will depend on the schedule.
There is no limit on the amount of material that is supplied. At the beginning of the day, your kit will include what an average candidate would use during an NDECC™ examination. Should you need additional supply, you will be able to request them to attending NDEB® staff members.
The top drawer of your dental cabinet will include a power bar/strip that can be plugged into your workstation outlet. You will be able to connect your battery pack to this strip and keep it in the drawer of your dental cabinet while it charges. You will need to follow proper infection control when handling your battery pack.
During our tests, we determined that diamond burs finer than coarse or extra coarse were inefficient and caused burning of the plastic teeth. The NDEB® will therefore not be providing There will however be a friction grip low speed handpiece available should you wish to use the coarse burs on slower speed. The grading rubric of the polishing criteria for the NDECC™ has been adjusted accordingly    
The NDEB® will not answer questions about preparation design. It is the responsibility of a competent dentist to know how much reduction and what preparation and margin designs need to be achieved for specific teeth and various restorative materials.
The exam will be held at the NDECCTM Test Centre located at 340 Albert St. 12th Floor Ottawa, ON. The Test Centre is located:
  • a 4 minute walk from the O-train Lyon station
  • 4 km from the Ottawa train station
  • 11 km from the Ottawa airport
At the Test Centre, you will have access to an examinee locker room, examinee lounge including kitchen, an examinee private room for prayer, breastfeeding, meditation, etc., washrooms, a classroom, situational judgement rooms, and the simulation clinic.
You should wear comfortable professional streetwear. A disposable surgical gown to wear on top of your clothes will be provided. Closed toed shoes with socks must be worn. For the health and comfort of examinees and staff the Test Centre is a scent free environment. We request that you avoid scented products such as cologne, aftershave, perfume, and scented lotion. The use of scented deodorant is permitted.
The Test Centre will be equipped with A-dec simulators and Kilgore International, Inc. Darwin heads.
The handpieces used in the Test Centre will be Kavo handpieces. The handpieces are air driven.
You will be provided with all the necessary equipment, materials, and instruments for your examination.
You are permitted to bring your lunch, snacks, drinks, medications (if pre-approved), and menstrual products. You must provide your own protective eyewear. Dental surgical loupes are permitted. You must also bring the NDECC™ card provided at registration.
If during your exam you leave the Test Centre, even to return to reception , you will not be permitted back into the Test Centre to complete your exam.