A dental crown might look like a small, perfectly ordinary tooth. Underneath, though, there's a fair bit going on.
If your dentist has mentioned a crown, one of your first questions might be: "What is it actually made of?"
It's a good question. The material can affect how your crown looks, how it handles everyday chewing and where in your mouth it is best suited.
A dental crown is essentially a custom-made cap that fits over a tooth weakened by decay, a fracture, heavy wear or root canal treatment. Crowns can also be placed on top of dental implants to replace the visible part of a missing tooth.
So, what are your options? Let's take a look.
Porcelain, Ceramic and Zirconia Crowns: What's the Difference?
Walk into a dental practice and you'll quickly discover that crowns aren't all made from the same material. And that's a good thing.
Different teeth have different jobs. Your front teeth need to look natural when you smile, while your back teeth spend their days handling the heavy lifting of chewing.
Porcelain and ceramic are popular when a natural-looking result is a priority. They reflect light in a way that's similar to natural enamel and can be colour-matched to your surrounding teeth. That's why they're often considered for front teeth, where appearance tends to matter most.
Zirconia is known for its strength and resistance to wear. It's often considered for back teeth, including molars, which deal with repeated chewing forces.
At Profilo° Dental, the crown materials we use fall into two main groups.
| Material | Known for | Often considered for |
|---|---|---|
| Porcelain / ceramic | Colour and light reflection similar to natural enamel | Front, visible teeth |
| Zirconia | Strength and wear resistance | Back teeth (molars) |
These are general patterns, not fixed rules. No single material is the right choice for every tooth or every patient.
Why Can't Every Crown Be Made From the Same Material?
Think about what your teeth actually do.
Your front teeth are largely responsible for biting and tearing food, and they're on display whenever you smile or speak. Your back teeth, meanwhile, are doing a lot more grinding and chewing.
So it makes sense that your dentist won't simply pick a crown material from a one-size-fits-all menu.
The position of the tooth is one consideration. Your bite matters too, particularly if you clench or grind your teeth. The amount of healthy tooth structure remaining is also important because the crown needs a stable foundation.
Then there's the practical side: different materials can have different costs.
Sometimes the bigger question isn't which crown material to choose, but whether a crown is the right restoration in the first place. If a tooth is too damaged to support one, or the tooth is already missing, your dentist may discuss alternatives.
For example, if you're considering replacing a missing tooth, our guide to dental implants Newcastle explains how implant treatment works, including the indications, risks and alternatives your clinician will discuss with you.