433 / | HD | DENTISTRY |
25 | DF | APPARATUS {20} |
103 | DF | .~ Having motor or means to transmit motion from motor to tool (e.g., "engine") {10} |
114 | DF | .~.~ Hand-held tool or handpiece {9} |
118 | DF | .~.~.~ Having reciprocating, vibrating, or oscillating output {5} |
124 | .~.~.~.~ Angularly offset tool |