. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . Fig. 209.—Polishing with the Fig. 210.—Application of the polishing strip todisk. the inter-proximal portion. POLISHING FILLINGS 163 the files, or, where convenient, small stones, finishing burs,sand and emery disks (Fig. 207). (c) The Occlusal or Incisal portions next receive attentionin the same manner, leaving the contact point untouched.(Fig. 208). (d) The entire filling is then gone over again, with theexception of the contact point, with the finer polishing stripsand disks, using th
. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . Fig. 209.—Polishing with the Fig. 210.—Application of the polishing strip todisk. the inter-proximal portion. POLISHING FILLINGS 163 the files, or, where convenient, small stones, finishing burs,sand and emery disks (Fig. 207). (c) The Occlusal or Incisal portions next receive attentionin the same manner, leaving the contact point untouched.(Fig. 208). (d) The entire filling is then gone over again, with theexception of the contact point, with the finer polishing stripsand disks, using the disks only on the labial, buccal, Fig. 211.—Polishing the contact point. incisal or occlusal margins, utilizing the strips for the shapingof the inter-proximal portion (Figs. 209, 210). (e) The contact point should now remain as a small marblecontact, as nature intended it, and is now gone over (beingcareful not to flatten it) with a fine linen polishing strip,making increased separation, if necessary, for this purpose.(Fig. 211). (f) In case a still higher finish is desired, the exposedsurfaces are now gone over with whiting or rouge on thebuffers. CHAPTER V THE TREATMENT OF PULPS AND THE OPENING ANDFILLING OF PULP CHAMBERS AND CANALS General Considerations.—The pulp is situated in the pulpchamber and canals, which it completely fills. It sends outnumerous prolongations, the dentinal fibrillae, which penetratethe dentin to the dento-enamel junction, and in some casesenter the enamel. The enamel is a low conductor and acts asa protective covering to the pulp and the dentinal fibrillae,preventing the contact with a
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