FIELD: medicine, stomatology. SUBSTANCE: device for preparing cavities of delay has tip 1 with local illumination of the cavity treatment zone treated with the aid of drill 2, flash lamp 3 being used as a light source. The axis of drill 2 is provided with current collector 4 coupled with stroboscope 5. Light reflected from drill 2 impinges on the end-face of light guide 7 and then on screen 8. To scrutinize working field screen 8 is connected to regulator 9 adapted to vary an image scale and discriminate portions to be thoroughly prepared. Light guide 7 is connected to stroboscope 5 and further through timer 10, regulator 11 for shifting the beginning of a current pulse is connected to current source 12. EFFECT: improved quality of treatment. 3 cl, 1 dwg
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Authors
Dates
1994-02-15—Published
1991-01-11—Filed