test handle instrument

test han·dle in·stru·ment

a root canal instrument the handle of which is similar to that of a collet chuck and can be secured in position on the root canal instrument to adjust its effective length.

test han·dle in·stru·ment

(test handĕl instrŭ-mĕnt)
Root canal instrument with a handle similar to that of a collet chuck; can be secured in position on root canal instrument to adjust its effective length.
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