Dental Veneers in India PowerPoint PPT Presentation

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Title: Dental Veneers in India


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FULL VENEER CROWN
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DEFINITION
  • According to the Glossary of Prosthodontic terms
  • Full veneer crown is described as A
    restoration that covers all the coronal tooth
    surfaces (Mesial, Distal, Facial, Lingual and
    Occlusal)

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COMPLETE CAST CROWN
  • INDICATIONS
  • On teeth that exhibit extensive coronal
    destruction
  • On Non-esthetic zone teeth with extensive
    restorations
  • Short clinical crowns

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  • Retainer for a long span fixed partial denture
  • On endodontically treated teeth
  • To Support removable partial denture where
    necessary contours with a partial coverage
    restoration is difficult.
  • In cases of generalized attrition where vertical
    dimension is reduced.

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CONTRAINDICATIONS
  • If treatment objectives can be met with a more
    conservative restoration
  • Extensively restored or cariously involved teeth
    within esthetic zone

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ADVANTAGES
  • Greater retention and resistance than a more
    conservative restoration
  • Strength is superior to that of other restoration
  • Permits easy modification of the occlusion
  • Protects the coronal integrity of a natural tooth
    compromised by restorations

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TOOTH PREPARATION
  • ARMAMENTARIUM
  • Handpiece
  • Round ended tapered diamond
  • 171L bur
  • Torpedo diamond
  • Torpedo bur
  • Short needle diamond
  • Red utility wax

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Procedure of tooth preparation

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PORCELAIN FUSED TO METAL CROWN
  • Indications
  • On teeth that require complete coverage and where
    significant aesthetic demands are placed

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Contraindications
  • Patient with active caries or untreated
    periodontal
  • disease
  • In young patients with large pulp chambers
  • Whenever a more conservative retainer is
    technically
  • feasible.

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Posterior porcelain fused to metal crown
preparation
Armamentarium
  • Lab knife with no. 25 blade
  • Silicone putty with accelerator
  • Handpiece
  • Flat ended tapered diamond
  • Short needle diamond
  • Torpedo diamond
  • Torpedo bur
  • Radial fissure bur
  • Biangle chisel

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PREPARATION
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ALL CERAMIC CROWN
  • INDICATIONS
  • In areas with a high esthetic requirement where a
    more conservative restoration will be inadequate.
  • CONTRAINDICATIONS
  • Where a more conservative restoration can be used
  • Not indicated in molar tooth because of increased
    occlusal load and reduced aesthetic demand.

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All ceramic crown tooth preparation
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  • OCCLUSAL REDUCTION

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COMMON ERRORS IN TOOTH PREPARATION
  • Insufficient occlusal reduction
  • Lack of uniform reduction on buccal surface
    comprising esthetics
  • Minimal axial reduction on the buccal and lingual
    surfaces
  • Over reduction of teeth and violation of biologic
    width
  • Excessive taper of proximal surfaces
  • Variable shoulder width
  • Undercuts on the distolingual surface of the
    preparation Rough tooth preparations.

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Materials for Full veneer crown
  • HIGH NOBLE
  • Gold-platinum-palladium
  • Gold palladium-silver
  • Gold-palladium
  • NOBLE
  • Palladium-silver
  • High palladium

PREDOMINANTLY BASE Nickel-chromium Nickel-chromiu
m-beryllium Cobalt-chromium
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  • Stunning Dentistry believe in delivering No
    Compromise Dentistry assisted with Top- notch
    technology. Our team of Internationally acclaimed
    specialists craft smiles with a personalized
    touch making sure our clients receive the best
    services in the world of dentistry.

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