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Video versus lecture: effective alternatives for orthodontic auxiliary training
M S Chen1, E N Horrocks, R D Evans
1Department of Orthodontics, Eastman Dental Institute, University of London, UK.
British Journal of Orthodontics
|November 4, 1998
Summary
Video lectures and traditional slide lectures are equally effective for orthodontic auxiliary training. Video instruction showed a slight advantage in bracket positioning accuracy, with no significant differences based on auxiliary type.
Area of Science:
- Dental education
- Orthodontic training
Background:
- Comparative studies on visually-aided lectures and videotapes often suffer from methodological flaws.
- Effective training methods are crucial for orthodontic auxiliaries.
Purpose of the Study:
- To assess the relative effectiveness of slide-aided lectures versus video instruction for orthodontic auxiliary training.
- To compare accuracy in orthodontic bracket identification and positioning between the two teaching methods.
Main Methods:
- A prospective, randomized trial involving 32 dental auxiliaries divided into two groups.
- One group received slide-aided lecture training, the other received video-based training on bracket placement.
- Computerized image analysis assessed the accuracy of bracket bonding onto acrylic teeth.
Main Results:
- No significant difference in overall effectiveness between video and lecture methods.
- Video instruction demonstrated a statistically significant, though slight, improvement in bracket positioning accuracy (P < 0.05).
- No significant differences in training outcomes were observed based on the type of auxiliary (dental nurse or student hygienist).
Conclusions:
- Both slide-aided lectures and video instruction are effective for teaching orthodontic bracket placement to auxiliaries.
- Video-based learning may offer a slight advantage in improving the precision of bracket positioning.
- The effectiveness of these teaching methods is consistent across different types of dental auxiliaries.