Indications, clinical and Indications, clinical and laboratory stages of laboratory stages of

manufacturing of swaged-manufacturing of swaged-soldered dental bridgessoldered dental bridges

Clinical & laboratorial stages of Clinical & laboratorial stages of swaged-soldered bridges makingswaged-soldered bridges making

Clinical stages Laboratorial stages

І. Patient examination. Diagnostics. Making of treatment plan. Preparation of abutment teeth. Taking impressions.

І. Making of supporting crowns (swaging).

ІІ. Fitting & trying on of supporting crowns. Taking of occlusal impression.

ІІ. Modeling of intermediate (pontic) part of dental bridge. Molding of intermediate (pontic) part of dental bridge. Soldering of dental bridge parts.

ІІІ. Fitting & trying on dental bridge framework. Choosing of veneer (facing) color.

ІІІ. Modeling of veneers (facing) with dental wax. Replacement of dental wax to acrylic resin. Polishing of dental bridge.

ІV. Dental bridge fixation.  

Preparation of abutment teeth for swaged Preparation of abutment teeth for swaged artificial crownsartificial crowns..

Preparation of incisal edgePreparation of incisal edge

Preparation of vestibular & Preparation of vestibular & oral surfacesoral surfaces

Stages of teeth preparationStages of teeth preparation

Stages of teeth preparationStages of teeth preparation

Stages of teeth preparationStages of teeth preparation

Preparation of occlusal surfacePreparation of occlusal surface

SeparationSeparation

Marking of clinical neck with ink pencil.Marking of clinical neck with ink pencil.

Modeling of anatomical shape of abutment Modeling of anatomical shape of abutment crown.crown.

Sizes of modeled crown are smaller onSizes of modeled crown are smaller on - - 0,25-0,30,25-0,3 мм мм

Thickness of metal of swaged crown isThickness of metal of swaged crown is- 0,25-0,3мм- 0,25-0,3мм

Cutting of part of dental model with Cutting of part of dental model with abutment tooth.abutment tooth.

Marking of gypsum stamp.Marking of gypsum stamp.

Methods of gypsum stamp markingMethods of gypsum stamp marking

Making copy of gypsum stamp in low Making copy of gypsum stamp in low temperature molding alloytemperature molding alloy

Molding of alloy stamp with MELOTMolding of alloy stamp with MELOT

For a lot of crowns gypsum blocks are For a lot of crowns gypsum blocks are usedused. .

Calibration of standard shells with Samson Calibration of standard shells with Samson devisedevise

Previous swagingPrevious swaging

Parker devise for external Parker devise for external swaging(pressing) of artificial crownsswaging(pressing) of artificial crowns

Press for external swaging(pressing) of Press for external swaging(pressing) of artificial crownsartificial crowns

Stage of fitting & trying on of Stage of fitting & trying on of supporting crowns.supporting crowns.

а – checking of marginal adaptation with dental probe;б- visual examination with dental mirror.

Occlusal impression taking with Occlusal impression taking with gypsum.gypsum.

Applying gypsum

Fixing of central occlusion

Removing of occlusal impression

Estimation of impression

Gypsum models are fixed to Gypsum models are fixed to occludator than modeling of occludator than modeling of

intermediate (pontic) part of dental intermediate (pontic) part of dental bridge.bridge.

Fitting of dental bridge framework.Fitting of dental bridge framework.

Determination of shade of veneer Determination of shade of veneer (facing)(facing)

Final fitting of swaged-soldered Final fitting of swaged-soldered bridge.bridge.

Dental bridge after fixation.

Clinical & laboratorial stages of Clinical & laboratorial stages of all metalic casted (molded) all metalic casted (molded)

bridges makingbridges makingClinical stages Laboratorial stages

І. Patient examination. Diagnostics. Making of diagnostic models. Making of treatment plan. Preparation of abutment teeth. Taking impressions.

1. Making of dividable model.Fixing of main & additional model into

articulator. Modeling of wax composition of casted dental bridge. Molding of bridge.

ІІ. Fitting & trying on casted dental bridge. ІІ. Polishing of dental bridge.

ІІІ. . Dental bridge fixation.

Form is compromised in the lesser visible half.

Fig. 3-37. When replacing a posterior tooth (A), dupli cate the dimension of the more visible mesial half of the ad jacent tooth. Narrow (B) and wide (C) pontic spaces. (Redrawnfrom Blancheri RL: Rev Asoc Dent Mex 8:103, 1950.)

Fig. 3-38. A, Eight-unit FPD with porcelain facings. B and C, This three-unit posterior FPD has been fabricated by postceramic soldering of a metal-ceramic facing to conventional gold. D, Metal-ceramic FPD with a modified ridge lap pontic (canine) appears to emerge from the gingiva.

Waxing armamentarium Fig. 3-39

Prefabricated wax pontics. Fig. 3-40

Fig. 3-41. Luting the pontic to the retainers.

Complete contour wax patterns. Fig. 3-42.

Fig. 3-42. Cut-back procedure for a three-unit anterior FPD. A, Delineating the porcelain-metal junction. B, The central incisor has already been cut back, and the pontic has been troughed. The canine is still at anatomic contour. C, A ribbon saw is used to section the connector.

Fig. 3-43. Metal substructure ready for airborne particle abrasion and oxidation.

Fig. 3-44.Failure of unsupported

gingival porcelain.

Fig. 3-45. Armamentarium for porcelain application.

Fig. 3-46.Porcelain application. A, Substructure ready for opaquing. B, Opaque application. C, Body porcelain application. D, A piece of moistened tissue paper (arrow) on the edentulous ridge. E, The porcelain after the first firing.

Fig. 3-47. Metal-ceramic pontic replacing a lateral incisor.

Fig. 3-48. All-metal, three-unit FPDs.