The tightening of loose teeth: some technical innovations . jM-- Fi(4. 12. of spring clamps, place small pieces of gold solder onthe larger pure gold margin, and solder until thesolder flows evenly (Fig. 12). The retaining-wall ground and trimmed, place it inthe patients mouth, and with the lancet burrs, asbefore, drill through the holes of the teeth. Begin with drilling through a canine ; pass a pinthrough, but so that, the head being inwards, it mayfix the retaining-wall. Be careful not to displace the retaining-wall indrilling. To avoid this, press with the left hand the MECHANICAL FIXATION
The tightening of loose teeth: some technical innovations . jM-- Fi(4. 12. of spring clamps, place small pieces of gold solder onthe larger pure gold margin, and solder until thesolder flows evenly (Fig. 12). The retaining-wall ground and trimmed, place it inthe patients mouth, and with the lancet burrs, asbefore, drill through the holes of the teeth. Begin with drilling through a canine ; pass a pinthrough, but so that, the head being inwards, it mayfix the retaining-wall. Be careful not to displace the retaining-wall indrilling. To avoid this, press with the left hand the MECHANICAL FIXATION 17 tooth to be drilled firmly towards the gold retainmg-wall. The pin, when put through, is kept in placeby an assistant with pliers. Next, drill through theopposite canine, again pass a pin through this,the entire retaining appliance being thus fixedfor further drilling. To avoid any inexactitude inthe drilled canals, pass a fissure-burr through eachhole. The six teeth drilled, take another impression, re-moving in one impression both the retaining-wall. Fig. 1:5. and pins. At the internal wall press the compoundover the retaining appliance, but at the external wallonly as far as the pins, and remove the impression(Fig. 13). In case the compound passes between the pins, re-move it carefully, and press any displaced pins backinto the grooves that are visil^le in the model shows the retaining appliance with six 2 18 THE TIGHTENING OF LOOSE TEETH pins (Fig. 14). These are drawn out and replaced bygold-wire pins of the same size, extending on bothsides about 2 millimetres. By cutting the solder intonarrow strips, small rings are obtained which shouldbe placed on the gold wire. On the model the goldwires are soldered to the retaining-wall, whichshould be boiled in dilute sulphuric acid. Overhanging portions of the pins should be cut off,finished, and polished.
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License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1912
