Figure 4-11. The signal.
d. The Third Step. The third step is retrieval. The dental specialist extends his
third and fourth fingers to grasp the instrument that the dental officer has just finished
using. After the dental specialist has securely grasped the used instrument, the dental
officer can release the instrument from his grip. See figure 4-12.
Figure 4-12. The retrieval.
e. The Fourth Step. The fourth step is the delivery. The dental officer receives
a new instrument in the correct position so he can use it without adjustments. The
dental specialist then takes the used instrument from the dental officer's hand. By
turning his hand downward, the dental specialist lowers the retrieved instrument that
allows him to place the new instrument in the dental officer's fingers in the position in
which he will use it. See figure 4-13. Some instruments are double-edged and sharp.
Care must be taken by the dental specialist not to cut himself, the dental officer, or the
patient.
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