Prosthetic dentistry / by James Harrison Prothero.

  • Prothero, James Harrison.
Date:
1916
Catalogue details

Licence: Public Domain Mark

Credit: Prosthetic dentistry / by James Harrison Prothero. Source: Wellcome Collection.

    19/1222 (page 13)
    CHAPTER XXV REPAIRING VULCANITE DENTURES Fracture of vuleanite base—Reassembling a fractured baseplate—Securing cast— Method of. joining the fractured pieces—Forming a bevel joint—Technical steps in repairing a median line fracture—Method of flasking case—Replacing a displaced tooth by vulcanization—Replacing by casting—Replacement by fusible metal in dovetail—Repairing with amalgam—Repair involving substi- tution of new tooth—Preliminary dovetailing of the denture base—Substi- tuting artificial for lost natural teeth in partial cases—Repairing gum section eases—Substitution of a baseplate—Construction of the matrix—Removal of teeth from old baseplate—Forming the wax baseplate—Modified methods of reconstruction—Mounting casts and old dentures on occluding frame—Form- ing the matrix—Forming the wax baseplate—Correcting imperfect adaptation by substitution of new base—Correcting adaptation by addition of new rub- ber. to old base—Correcting adaptation with rubber paste—Correcting adapta- tion with Furlong’s plastic rubber—To correct occlusions when adaptation is SELES LACEOTY 2 ante) ccs steeiie wheter tteisy sna giod ahalahiciaiefina ier sho x here. 8 eI ogo? Pages 561 to 587 CHAPTER XXVI CONTINUOUS GUM DENTURES Advantages—Disadvantages—Technic—Forming the baseplate—Fitting baseplate to mouth—Reinforeing the baseplate—Forming the finishing shoulder for porcelain—Reswaging and cleansing the baseplate—Developing the occlusion and contour model—Continuous gum teeth—Selection and arrangement of the teeth—Trial of the wax model denture in the mouth—Developing the contour matrix—lInvestment of the wax model denture—Fitting metal support be- tween teeth and baseplate—Supporting the teeth with wire—Continuous gum body and enamel—Preparation of the body—Application of body to teeth and baseplate—Support for continuous gum cases while fusing—Porcelain furnaces—First baking of the case—Second baking—Preparation of case for third baking—Application of the gum enamel—Fusing the enamel—Special uses of porcelain—Interstitial blocks of porcelain—Gum sections—Construc- tion of gum section blocks for special case8............-.-- Pages 588 to 624 CHAPTER XXVIII CROWN WORK Preliminary considerations—Structures of the teeth and investing tissues—Physio- logical relations—Oral pathological conditions—Therapeutic methods of treat- ment of diseased conditions—Local anesthetics—Treatment after setting a crown—Anatomie and esthetic forms of teeth—Flare of the axial surfaces of bicuspids and molars—Cutting molar and bicuspid bands by the conic system —Stress—Hygienie requirements of crowns. PORCELAIN-FACED CROWNS FOR THE ANTERIOR TEETH. Technic of construction of a porcelain-faced crown—Upper central incisor—Devit- alization, treatment and filling of root canal—Removal of remaining portion of natural crown—Preparation of root—Removal of enamel—Smoothing root periphery with files—General form of prepared root—Testing—Flare of root surfaces—Securing measurement of root periphery—Measuring and cutting band for root cap—Forming and soldering band—Sweating band—Scribing band to gingival outline—Fitting scribed band to root—Trimming band to proper width—OConstruction of root cap—Soldering band to disc—Removing peripheral excess of dise—Construction of cap by indirect method—Taking impression of root—Constructing the root die—Imbedding die in swaging ring—Swaging root cap—Fitting cap to root—Enlarging root canal for recep- tion of: dowel—Countersinking canal opening—Indenting cap in countersunk area—Perforating root cap for reception of dowel—Forcing dowel through eap into root canal—Maintaining correct relation between dowel and cap