chisel(redirected from chiselling)
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A single beveled end-cutting blade with a straight or angled shank used with a thrust along the axis of the handle for cutting or splitting dentin and enamel.
Single beveled end-cutting blade with straight or angled shank used with a thrust along axis of handle for cutting or splitting dentin and enamel.
n an instrument modeled after a carpenter's chisel intended for cutting or cleaving hard tissue. The cutting edge is beveled on one side only; the shank may be straight or angled.
chisel, contra-angle (binangle chisel),
n a chisel-shaped, binangled, paired cutting instrument whose blade meets the shank at an angle greater than 12°.
n See chisel, contra-angle.
n.pr a chisel with a blade that is continuous with the shank, has no constricting neck, curves rather than angles into the shank, and is available in varying widths.
n.pr a genus of microorganisms that live as intercellular parasites and have a number of properties in common with gram-negative bacteria. Two species have been identified; both are pathogenic.
n.pr an organism that infests birds and causes a type of pneumonia in humans (psittacosis).
n.pr an organism that lives in the conjunctivae of the eye and the epithelium of the urethra and cervix and is responsible for conjunctivitis, lymphogranuloma venereum, and trachoma.
an instrument designed to be driven by a hammer to pare away at a surface. It has a cutting edge across the distal end with a bevel on one of its sides.
a heavyweight steel chisel used for paring of the surface of bones.
have been largely discarded because of the danger associated with their use in fetotomy. A semisharp spatula may be used for the same purposes.
used to divide the pubis at the pubic symphysis in immature heifers carrying large calves. The chisel point is angled inward toward the center of the blade so that the cutting surface will stay on the bone when it disappears from view.