Abstract
The high-speed dental air-turbine handpieces are widely used in the dentistry as a tool for cutting and drilling a tooth. The impeller of the air-turbine handpiece rotates a cutting bur through the compressed-air. Two dental handpieces which have standard type head (Model 1) and torque type head (Model 2) were designed using computational analysis. The advanced existing high-speed dental air-turbine handpieces were investigated to compare with the designed dental handpieces. The computational domain of the air-turbine was investigated using ANSYS CFX software. The impeller blade type which has high torque value was selected to design the air-turbine impeller. The performance of the designed handpieces was verified through the measurements and the pre-clinical tests. The results showed that the newly designed handpieces had excellent performance which is compatible with existing advanced handpieces.
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