Due to the lack of good lighting inside the mouth (the artificial head that dental students are trained on), and these students resort to their mobile flashers to see the stages of preparing the tooth, whether it is good or not, which requires additional time for the time specified for preparation during the training, as is reflected in the lack of The illumination negatively affected the quality of tooth preparation and any other procedure inside the mouth, a slight external improvement was made to the crooked handpiece by adding a small LED on the retracted fist, and this LED was connected to a small fuse through small diameter wires, and a circuit breaker was placed to control the (start / operation) Turn off the LED and then connect all these components via a piece of metal, Inventor Ahmed Hegazy - Al-Sham Private University - College of Dentistry.
This patent won fourth place - Department of Dentistry.
