Affordable Dentures

Metal ceramic crowns are the most common type of crown restoration. Listed here arethe indications of Metal Ceramic Crowns.

• In cases of parafunctional mandibular activity where an esthetic restoration is essential.
• Where lingual clearance of less than 0.8 mm is present after tooth preparation.
• Teeth requiring fixed splinting.
• In all posterior teeth where full coverage is important for esthetic reasons.
• Where deep chamfer preparations are desirable.
• Where occlusal surfaces are required.

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The most common type of crown restoration is metal ceramic crown. Porcelain is bonded to metal alloys. The alloys used in porcelain fused to metal restoration fall into three groups:

• Precious metal alloys containing high proportion of platinum and gold.
• Semi-precious alloys containing a high proportion of palladium, sometimes with silver.
• Base metal alloys

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Porcelain Fused to Metal Dental Crown is a full cast crown having porcelain fused to either all or most of its surfaces.

The metal ceramic dental crowns were done to established the occlusion for this SDA case. Only the premolars are present in the posterior of both arches.

Black gums is often caused by poor quality of alloy used in porcelain fused to metal crowns and bridges. Low quality alloys often contain metallic elements which may contain lead, cadmium, iron, and other undesirable elements.
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Provisional dental crowns on lower left 1st premolar and lower left 1st molar (34 and 36 FDI Two-Digit Notation). Provisional restorations (like these dental crowns) should mimic the final fixed partial denture.

Indications for use of metal ceramic fixed partial denture
1. In cases of parafunctional mandibular activity where an aesthetic restoration is essential.
2. Where lingual clearance of less than 0.8 mm is present after tooth prepration.
3. Teeth requiring fixed splinting or being used as dental bridge abutments.

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3 Units Porcelain Fused to Metal Fixed Partial Denture was fabricated to replace a missing tooth (22, FDI Two-Digit Notation). Abutment teeth are upper left central incisor and upper left cuspid (21 and 23, FDI Two-Digit Notation). Missing tooth is upper left lateral incisor (22, FDI Two-Digit Notation).

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Porcelain fused to non-precious metal Fixed Partial Denture for missing 21. Abutments are teeth 11, 12 and 22.

Pointers for the Location of screws in Screw Retained Fixed Partial Dentures

1. Structure of the denture.
2. Access to the screw.
3. Inclination of the abutments.
4. The occlusion.
5. Plaque control.
6. Sensitivity of the tongue.
7. Frequency of removal of the Fixed Partial Denture.

Dental X Ray is one of the most important diagnostic tools in Fixed Partial Denture Treatment. The above dental x ray shows root canal treated anterior teeth which will receive All Ceramic Dental Crown Restorations.