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PORCELAIN FUSED
TO METAL (PFM)

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Porcelain Fused to Metal (PFM) restorations
have been a staple in restorative dentistry,
offering a reliable combination of
strength, durability, and esthetics..

At Burbank Dental Lab, we fabricate high-quality PFM restorations, utilizing premium alloys and advanced porcelain layering techniques. Our commitment to precision and esthetics ensures that every PFM crown or bridge we deliver meets the functional and cosmetic expectations of both the dentist and the patient.

Porcelain Fused to Metal (PFM)


COMPOSITION

Metal Substructure (High Nobel, Nobel, Base) / Feldspathic Porcelain

IN-LAB WORKING TIME

7-days

WARRANTY

5-Years

FLEXURAL STRENGTH

397-400 MPa

PFM restorations consist of a strong metal substructure, typically fabricated from noble, high-noble, or base metal alloys, over which porcelain is layered. The metal framework provides superior strength and support, while the porcelain overlay mimics the translucency and shade of natural teeth.

For decades, Porcelain Fused to Metal (PFM) restorations have been a staple in restorative dentistry, offering a reliable combination of strength, durability, and esthetics. PFM crowns and bridges remain a trusted option, offering long-lasting performance and versatility in both anterior and posterior cases.

Denture Over Implant Bars - Burbank Dental Lab

What are porcelain-fused-to-metal restorations?

PFM restorations consist of a strong metal substructure, typically fabricated from Noble, high-noble, or base metal alloys, over which porcelain is layered. The metal framework provides superior strength and support, while the porcelain overlay mimics the translucency and shade of natural teeth.

This combination makes PFMs ideal for a wide variety of clinical situations, from single crowns to multi-unit bridges and implant-supported restorations. PFMs continue to offer excellent marginal integrity, predictable esthetics, and proven longevity, making them a reliable choice for restorative cases.

Key features of porcelain-fused-to-metal restorations

  • High strength & durability – The metal substructure provides excellent fracture resistance, ideal for posterior and load-bearing restorations.
  • Natural esthetics – Layered porcelain creates lifelike translucency, depth of shade, and characterization.
  • Versatile applications – Suitable for single crowns, bridges, implant-supported crowns, and long-span restorations.
  • Limited occlusal space – PFM restorations can be made thinner than zirconia crowns without compromising strength, making them a better choice when there’s limited clearance or minimal tooth reduction possible.
  • Excellent marginal integrity – Precision fit minimizes microleakage and ensures gingival health.
  • Customizable metal options – Choose from Noble, high-noble, or base alloys to meet clinical and budgetary needs.
  • Reliable performance – Decades of clinical success provide confidence in long-term outcomes.
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Indications for Use

PFM restorations are recommended for:

  • Single-unit crowns – Both anterior and posterior regions.
  • Multi-unit bridges – Particularly suited for cases requiring strong connectors.
  • Implant-supported crowns and bridges – Offering reliable retention and strength.
  • Patients with parafunctional habits – Provides reinforcement against heavy occlusal forces.
  • Cases where esthetics and strength need to be balanced – Combining cosmetic appearance with mechanical durability.
  • Cases with limited occlusal space – With thin preparation designs, occlusal space can be limited. PFMs can be used when space is limited, providing an excellent solution in such cases.

Cementation Guidelines

PFM restorations are versatile in cementation protocols:

  1. Try-in & fit verification – Confirm passive seating and proper proximal contacts.
  2. Cement options – Traditional glass ionomer or resin-modified glass ionomer cements are suitable. For increased bond strength, use adhesive resin cement.
  3. Excess cement removal – Carefully clean all cement remnants to maintain gingival health.
  4. Final occlusal check – Ensure even contacts and adjust as needed.

Preparation Guidelines

For optimal fit and esthetics, follow these preparation recommendations:

  • Axial reduction – 1.5 mm for adequate porcelain thickness and strength.
  • Occlusal clearance – Minimum of 2.0 mm to allow space for metal and porcelain layers.
  • Shoulder or chamfer margin – A 1.0 mm shoulder or deep chamfer ensures proper seating and marginal integrity.
  • Smooth transitions – Avoid sharp angles to minimize stress points and improve porcelain adaptation.
  • Tissue management – Use appropriate techniques to capture clear margins for an accurate fit.

Chairside Adjustments

While PFM restorations are crafted by Burbank Dental Lab for precision, minor adjustments may be necessary:

  • Occlusal refinements – Use fine diamond burs under copious irrigation to fine-tune occlusion.
  • Interproximal contact adjustments – Check for tight or open contacts and adjust accordingly.
  • Porcelain polishing – After adjustments, use a porcelain polishing kit to restore the luster of the surface.
  • Tissue adaptation – Verify and adjust cervical contours for optimal soft tissue adaptation.

Why Choose Burbank Dental Lab
for denture-over-implants?


Partnering with Burbank Dental Lab ensures access to expertly crafted PFM restorations with attention to both esthetics and function:

  • Premium alloys – Choose from a wide selection of noble, high-noble, or base metal alloys tailored to the case.
  • Expert porcelain application – Our skilled ceramists apply layered porcelain to create natural esthetics and lifelike translucency.
  • CAD/CAM precision – Digital design workflows ensure a precise fit and reduced chairside adjustment time.
  • Reliable strength & longevity – Engineered for long-term performance, especially in load-bearing areas.
  • Collaborative support – Our technical team is available to assist with case planning and material selection.

Porcelain Fused to Metal (PFM) restorations remain one of the most trusted and versatile options in restorative dentistry. Combining a durable metal substructure with esthetically layered porcelain, PFMs offer strength, precision, and reliable performance for a variety of clinical situations.

Partner with Burbank Dental Lab to deliver premium PFM crowns and bridges crafted with meticulous attention to detail, ensuring optimal esthetics, function, and longevity for your patients.

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