Metal Supported Porcelain

Metal Supported Porcelain: Comprehensive Guide

Metal supported porcelain crowns, also known as porcelain-fused-to-metal (PFM) crowns, are a type of dental restoration that combines the strength of a metal base with the aesthetic appeal of porcelain. These crowns are commonly used to restore damaged, decayed, or weakened teeth, offering durability and a natural appearance.

Reasons for Metal Supported Porcelain Crowns

Metal supported porcelain crowns may be recommended for several reasons:

Restoring Damaged Teeth: Crowns are used to restore teeth that have been significantly damaged by decay, trauma, or wear.
Protecting Weakened Teeth: A crown can protect a tooth that has undergone root canal treatment or has a large filling, preventing further damage.
Improving Aesthetics: PFM crowns provide a natural-looking restoration that blends in with surrounding teeth, especially in the front of the mouth.
Supporting Dental Bridges: Metal supported porcelain crowns are often used as anchors for dental bridges, replacing missing teeth.
Durability: The metal core provides strength and durability, making these crowns a long-lasting solution for dental restoration.

The Metal Supported Porcelain Crown Procedure

The procedure for placing metal supported porcelain crowns involves several key steps:

Tooth Preparation

The dentist will prepare the affected tooth by removing a portion of the enamel to create space for the crown. An impression or digital scan is then taken to create a custom crown that fits precisely.

Temporary Crown Placement

While the permanent crown is being fabricated in a dental laboratory, a temporary crown is placed on the prepared tooth to protect it.

Permanent Crown Placement

Once the permanent crown is ready, the temporary crown is removed, and the metal supported porcelain crown is placed and bonded to the tooth. The dentist will make any necessary adjustments to ensure a comfortable fit and proper bite alignment.

Post-Procedure Care

Proper care after receiving a metal supported porcelain crown is essential for maintaining its longevity and appearance. Follow these guidelines:

Oral Hygiene: Continue to brush and floss regularly, paying special attention to the area around the crown to prevent plaque buildup.
Avoid Hard Foods: While PFM crowns are durable, avoid biting on hard objects or foods that could chip the porcelain.
Regular Dental Check-Ups: Attend regular dental visits to monitor the condition of your crown and address any issues early on.

Potential Risks and Considerations

Consideration	Description
Metal Allergy	Some patients may have an allergy to the metals used in the crown, though this is rare.
Gum Recession	Over time, gums may recede, potentially exposing the metal edge of the crown, which can affect aesthetics.
Porcelain Chipping	While durable, the porcelain layer can chip or crack if exposed to excessive force or trauma.
Appearance	The metal core can sometimes cause a slight grayish hue at the gum line, especially if the gums recede.

Frequently Asked Questions (FAQs)

How long do metal supported porcelain crowns last?

With proper care, metal supported porcelain crowns can last 10 to 15 years or longer, depending on factors like oral hygiene and wear.

Are metal supported porcelain crowns suitable for all teeth?

Yes, they can be used on both front and back teeth. However, for highly visible front teeth, some patients may prefer all-ceramic crowns for better aesthetics.

Can metal supported porcelain crowns be replaced?

Yes, if a crown becomes damaged or worn, it can be replaced with a new crown by your dentist.

Will the crown feel different from my natural teeth?

Initially, a crown may feel slightly different, but most patients quickly adjust and find the crown feels like a natural part of their mouth.

Metal supported porcelain crowns are a reliable and aesthetically pleasing solution for restoring damaged teeth. Consulting with your dentist will help you determine if this type of crown is the right choice for your dental needs.