Improvement of machined accuracy under constant feed speed at milling point with a five axis controlled machining center considering approach path

We suggested a novel method to maintain a machined surface quality of a curved surface shape by synchronous motion between two linear axes and a rotary axis with the five-axis machining center.It was demonstrated that the proposed method made it feasible to prevent a machined error due to the quadrant glitch caused by friction of the ball screw and

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Comparison of root dentinal crack formation after coronal pre-flaring using different rotary instruments: An In vitro Study

Background and Objectives: The aim of this study was CITRUS SOOTHER COLD AND FLU to see the incidence of cracks in root dentin after coronal flaring using various rotary instruments such as Gates Glidden (GG) drills, ProTaper Universal SX, OneFlare, and HyFlex EDM.Materials and Methods: Seventy freshly extracted premolar teeth with single canal wer

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