Self-Rotating, Dental, 3-D Scanner

Anyone who has ever endured major dental work will be familiar with the process used to take dental impressions. After placing a viscous liquid alginate in a dental impression tray, a technician presses the tray onto the patient's teeth until the liquid sets to form a solid negative impression. This impression is then employed to make a plaster cast of the teeth, which is used to study the best way of fabricating dentures or crowns...

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