Table 2

Proportion of cavity preparations deemed competent by students, their peers, and their clinical skills tutor

Cavity Preparation/RestorationStudentsStudent PeersTutorχ2p-value
Single-surface adhesive occlusal cavity88%a88%b73%10.630.005
Single-surface adhesive interproximal cavity78%ac90%b71%11.400.003
Single-surface adhesive labial cavity76%ac88%b58%23.700.001
Multi-surface adhesive cavity56%ac76%b54%12.560.002
Multi-surface amalgam cavity76%a80%b42%38.850.001
Pre-formed metal crown preparation78%ac89%b50%40.410.001
Composite resin buildup/fractured maxillary incisor tooth87%a87%b46%57.310.001
  • a Statistically significant difference between students and tutor

  • b Statistically significant difference between student peers and tutor

  • c Statistically significant difference between students and student peers