What Are the Types of Dental Crowns?

Dental crowns stand out among dental restorations as versatile and effective solutions for various oral health issues. A dental crown, or "cap," is designed to cover and encase a damaged or weakened tooth, restoring its strength, function, and appearance.

The 5 most popular types of dental crowns

Over the years, advancements in dental technology have led to the development of various types of dental crowns, each with its unique characteristics and applications. In this guide, we discuss dental crowns, highlighting each of the most common types.

Metal alloy crowns

Metal alloy crowns provide exceptional durability and strength. They are resistant to wear and tear, making them excellent for posterior (back) teeth that endure significant pressure from eating. Metal crowns are also known for their longevity, lasting for decades without showing signs of wear in many cases. However, due to their metal color, they are less ideal for front teeth that are more visible.

Porcelain-fused-to-metal (PFM) crowns

PFM crowns strike a balance between strength and aesthetics. These crowns consist of a metal substructure covered with a porcelain outer layer. The metal provides durability, while the porcelain outer layer offers a natural tooth-like appearance, providing the color and translucency of natural teeth. PFM crowns are versatile and are often used for front and back teeth.

All-porcelain crowns

All-ceramic (all-porcelain) crowns are known for their exceptional aesthetic qualities. They are identical to the shade of natural teeth and can be color matched to blend in. All-ceramic crowns work best for front teeth, where appearance is the most important factor. Since front teeth do not need the same level of strength, this material holds up well over time. However, all-ceramic crowns are less ideal for molars and premolars.

Gold alloy crowns

These crowns are comprised of various metals, including gold, copper, and other alloys. While they may not match the natural color of teeth, they offer exceptional strength and resistance to wear. Gold alloy crowns are often chosen for posterior teeth that require more strength and are less visible. Additionally, the compatibility of gold with gum tissues makes them less likely to cause irritation or allergic reactions.

Zirconia crowns

Zirconia crowns are popular for their remarkable strength, durability, and aesthetic qualities. Zirconia is a type of ceramic material known for its biocompatibility, making it suitable for dental restorations. Zirconia crowns have been used in anterior and posterior teeth due to their combination of strength and aesthetics. Whether used for single crowns or bridges, they offer a reliable and aesthetically pleasing option for dental restorations.