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cutting edge

cutting edge
最前沿;优势;尖端

Definitions

1. the beveled, knifelike, sharpened working angle of a dental hand instrument; 2. Synonym(s): incisal margin
1. Line formed where face and lateral edges of the working-end of an instrument meet at an angle forming a sharp cutting surface.
1. Line formed where face and lateral edges of the working-end of an instrument meet at an angle forming a sharp cutting surface. 2. Synonym(s): incisal margin.
n the edge of a periodontal instrument formed where the lateral side and face of the instrument meet.





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