National Dental Assisting Examining Board © 2001 – 2026 National Dental Assisting Examining Board 14 (Dots) Critical Criterion provided with an electronic copy of their evaluation results for each skill through their Candidate Portal. All skills allow for one re-attempt within the allotted time to correct any errors. Evaluation forms are divided into two sections – “Procedure” and “Professional Practice”. Within each section, there are several criteria that candidates will be evaluated against. Some criteria are “critical” – while others are not. A “critical” criterion is fundamental to performing the skill adequately and safely. In both the Procedure and Professional Practice sections, the critical criteria for each skill are indicated by a block “dot” between the “A” and “U” columns. Candidates will be awarded either an “A” (acceptable) or “U” (unacceptable) for each criterion To successfully pass a skill, candidates must be awarded an “A” grade for every critical criterion, on the first OR second attempt of the skill. If both attempts have one or more critical criteria with a “U” grade, it will result in failure of the skill. • It is the candidate’s responsibility to advise their Evaluator when they are finished their skill and wish to be evaluated OR if they would like to stop their procedure and attempt the skill for a second time, provided time is remaining. • Candidates will NOT be told if they passed or failed a skill; they must reflect on their own performance and product and must make their own decision about attempting the skill for a second time. Examples of Assessment – First and Second Attempt • For example: In the skill “Applies and Removes Dental Dam”; if the candidate is awarded a “U” grade for the critical criterion “Bow and wings are completely exposed on 17” during their first attempt, but on their second attempt the error is corrected, an “A” grade will be awarded. If there are no other critical errors on the second attempt, the candidate will pass their skill. • For example: In the skill “Applies and Removes Dental Dam”; if the candidate is awarded a “U”
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