Methods: A list of six competency criteria, adapted from the literature was developed and used for student self-assessment of clinical procedures in Restorative Dentistry (BChD IV and BChD V) for a trial period of three months. Each criterion was categorized and given a score: U = Unqualified (0), NBQ = Not becoming Qualified (1), BQB = Becoming Qualified as a Beginner (2), BQL = Becoming Qualified as a Learner (3), Q = Qualified (4), E = Exceptional (5). The students used the criteria as listed on the assessment from, to assess themselves accordingly (U, NBQ, BQB, BQL, Q, E) and the supervisor assessment was be used to control this assessment using the same criteria. The results of each assessment were recorded on the assessment form and captured on a data-base for further analysis. Results: The results were subjected to a Spearman Rank-Order Correlation test. The Spearman Correlation Coefficient for the BChD V group was 0.882 and 0.927 for the BChD IV group. The results were highly significant (p< 0.05). Conclusions: There were no significant differences between student self-assessment and supervisor-assessment. The criteria developed for student self-assessment in Restorative Dentistry is valid and reliable.