. The science and practice of dental surgery. forefinger is on the lingual side (see Fig. 885).For left maxillary cheek teeth, wrist and handare nearly horizontal; the forefinger is on thebuccal, the thuml) on the lingual, side (seeFig. 886). \^^aen the finger and thumb are introducedinto the mouth, they should be carried well backfirst, and then opened out to grasp the alveolarmargins at the point desired. With an ex-perienced operator these movements becomeautomatic, so too do the adjustments wherebyhe keeps away the tongue and cheek by a slightbending of the phalangeal joints. The educatedt
. The science and practice of dental surgery. forefinger is on the lingual side (see Fig. 885).For left maxillary cheek teeth, wrist and handare nearly horizontal; the forefinger is on thebuccal, the thuml) on the lingual, side (seeFig. 886). \^^aen the finger and thumb are introducedinto the mouth, they should be carried well backfirst, and then opened out to grasp the alveolarmargins at the point desired. With an ex-perienced operator these movements becomeautomatic, so too do the adjustments wherebyhe keeps away the tongue and cheek by a slightbending of the phalangeal joints. The educatedtouch and muscular sense of the finger andthumb greatly assist him in the accurate. Fig. 88(). Fig. 887. adaptation of the forceps, and also apprise himof the strength of the resistance encounteredand of the moment of yielding, and enable himto restrain haemorrhage and at once to compressthe margins of the alveolus when the extractionis completed. 5. Introduction and Application of the Forceps The method of taking up, opening, and hold-ing the forceps is shown in the illustrations (seeFigs. 887, 888). The butt of the loft handleshould lie in the centre of the palm of the hand,and from this position it should never shift orslip, as on its maintenance depends the steadyapplication of the driving power and pressure,which persists during the operation. As is thecase with almost every tool in the hand of askilled worker, the long axis of the instrumentcrosses the hand at an angle and in such a 648 position that when grasped for use the thumbcomes to lie along it. The forceps held as shownare introduced into the mouth for application tothe tooth. In the case of the upper c
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
