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Characterization and glazing

Characterization and glazing. Laboratory Session. Bisque Bake Porcelain. Bisque bake porcelain is adjusted and contoured as necessary with green stones. Characterization and Glazing of Porcelain. Provides luster or gloss of porcelain The surface layer of porcelain and fill surface defects

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Characterization and glazing

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  1. Characterization and glazing Laboratory Session

  2. Bisque Bake Porcelain • Bisque bake porcelain is adjusted and contoured as necessary with green stones

  3. Characterization and Glazing of Porcelain • Provides luster or gloss of porcelain • The surface layer of porcelain and fill surface defects • Some dentists do in house characterization with stains • Degree of glazing depend on # of cycles • TOO GLAZED is unnatural

  4. Porcelain furnace Clean glass slab (clean white paper) Sable brushes Distilled water or special liquid Stain powder Hemostat Armamentarium

  5. Characterization and Glazing • Increase shade match • Difficulties and inaccuracies • Modifications are expected • Request porcelain in bisque • Stain kits available

  6. Stain kit

  7. “Staining” or Shade modification • Increasing Chroma or value is the simplest • Decreasing Chroma or Value is the MOST difficult • It is applied with a sable brush and special liquid where needed • Characterization a better term

  8. “Staining” or Shade modificationexercise is to increase the Value or…. • Hypocalcified areas • Proximal coloration • Enamel cracks • Stained crack lines • Exposed dentin

  9. Glazing of Porcelain • Glazing is applied in all surfaces • Most glazing is done under 1600 F • In PFM’s metal must be polished again (next session)

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