| 释义 |
test handle instrument test han·dle in·stru·menta 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. |