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The 100° bend between the shaft and the shank keep the hand comfortably out of the light path of the microscope, assuring shadow-free vision. The
contact ends of the retractors are serrated to prevent slipping from the cortical plate. The number 3 and 4 retractors are uniquely recessed to facilitate placement over significant
structures such as the canine eminences, nasal spine, and mental foramen. The number 5 and 6 retractors have a gentle radius and provide for positive control when retracting against
gradual contours in cortical bone.
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