Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 4118866 | Dental handpiece control apparatus A dental air-water handpiece control system for operating a plurality of handpieces and an air-water syringe including a plurality of control pedals equal in number to the number of handpieces and each having a needle valve responding to the distance the ... | 10/10/1978 |
