Porcelain Fused to Metal

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A Porcelain-Fused-to-Metal (PFM) dental crown is one of the most widely prescribed types of crown and bridge restorations available. Made from an alloy coping with layered porcelain overlay designed to be durable and esthetically beautiful. Tried and tested over decades, this porcelain dental crown offers proven strength, reliability and functionality. A versatile option, PFM crowns can be used for a range of restorations in both anterior and posterior regions of the mouth.

Restoration Details

Material Composition

1. Alloy: base metal, noble, and high noble
2. Feldspathic porcelain

Strength Characteristics (MPa)

1. Biaxial flexural strength of glass ceramic: 130 ± 20 MPa
2.Overall flexural strength depends on the flexural strength of alloy used for the substructure

Indications

1.Crowns and bridges up to 14 units
2.Implant-supported crowns and bridges
3.Maryland bridges

Preparations

Ideal thickness requirements: 1. Labial for anterior 1.5mm, for posterior 1.5mm
2. Lingual for Anterior 1.0mm, for posterior 1.0mm
3. Incisal/Occlusal for anterior 1.8-2.0mm, for posterior 1.5-1.7mm

Cementation

Any conventional cementation system, glass ionomer, resin modified glass ionomer, auto cure resins can be used.

Strength Characteristics (MPa)

1. Biaxial flexural strength of glass ceramic: 130 ± 20 MPa 2.Overall flexural strength depends on the flexural strength of alloy used for the substructure