Manual of dental surgery and pathology . Sectional view of Fisks ejector, to illustrate theprinciple upon which the sucking action is oljtained. can be seen only by all students find a difficultyat first in so operating, fromtheir movements appearing re-versed in the mirror (Fig. 154),we recommend them in employ-ing it to bear in their mindscontinually the position of thecavity and the movements neces-sary for cutting or otherwise itsvarious sides: thej^ Avill thussoon forget the mirror wdth itsdeceptions whilst using it. Asa means of illuminating a cavityby reflecting the light,
Manual of dental surgery and pathology . Sectional view of Fisks ejector, to illustrate theprinciple upon which the sucking action is oljtained. can be seen only by all students find a difficultyat first in so operating, fromtheir movements appearing re-versed in the mirror (Fig. 154),we recommend them in employ-ing it to bear in their mindscontinually the position of thecavity and the movements neces-sary for cutting or otherwise itsvarious sides: thej^ Avill thussoon forget the mirror wdth itsdeceptions whilst using it. Asa means of illuminating a cavityby reflecting the light, the mir-ror is also a very valuable instrument. To return to the rubber-dam, it much more thoroughly accomplishes its object than anyother plan, even keeping away, to some extent, the moist air C. S. Rogerss saliva ejector. 174 MANUAL OF DENTAL SURGERY AND PATHOLOGY. exhaled from the lungs. By the aid of clamps it can be appliedin almost any situation, and can be used, and to the comfort of Fiff. 158. Fiff. Silvered j(laHs iJioiiHi-iiiirror, witli l>all-aiid-8ocket JMiiit lor placing it at varii>us[Punch for tnaklog holes In the lubbcr dam.] unglex. TREATMENT OF DENTAL CARIES. 175 the patient, in conjunction with the saliva-punij). As tliis ap-pliance has become so important a feature in the present day,we shall describe its mode of application, admitting at the sametime that in common with many of the older practitioners wehave used it much less, and therefore probably can apply itwith less dexterity, than man} of our juniors. The material employed is thin sheet India-ruljber: in sub-stance it should not be so thick as to occupy much space whenplaced between the teeth, nor so thin as to tear. Of this a sizeis selected, varying according to the position of the tooth towhich it is to be ap[)lied, being necessarily larger when backteeth are included. By means of a punch (Fig. 153) circular holesare cut in the rubber: thus, if we were about to apply it, say,to a centr
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectdentist, bookyear1882
