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How Dental Crowns Are Made and Why It Takes Over 24 Hours in the Oven

Dental crowns are a reliable and popular way to restore damaged or weakened teeth. They’re not only functional but also provide a natural look that blends with your smile. However, not all dental crowns are created equal—especially when it comes to materials and durability. Zirconium crowns have become the gold standard for long-lasting, natural-looking results. Here’s why they’re worth the extra care and time, and why you should be cautious if someone suggests porcelain for crowns.

Why Choose Zirconium Crowns?

Zirconium crowns, made from zirconium dioxide, offer:

  1. Exceptional strength and longevity—lasting 15 to 25 years or more.
  2. A natural look that mimics the translucency of real teeth.
  3.  Biocompatibility, reducing the risk of allergic reactions or gum irritation.

Zirconium is not only tough but also kinder to surrounding teeth and gums, making it the ideal material for both dental crowns and bridges.

How Are Zirconium Crowns Made?

Here’s a step-by-step look at the precise process:

Digital Impressions and Design:
The dentist takes detailed digital scans or physical molds of your teeth. Using advanced CAD/CAM technology, they design a crown that perfectly fits your bite and smile.

Milling the Crown:
A block of zirconium dioxide is milled to match the digital design, creating the initial shape of the crown.

Sintering in a Dental Oven:
Here’s why the process takes over 24 hours:

The Green State: After milling, the zirconium crown is soft and porous.

Sintering Process: It’s placed in a specialized dental oven and heated to over 1,500°C (2,732°F).

Extended Cycle: The cycle includes slow heating, a sustained peak temperature, and a controlled cooling phase to ensure maximum strength and density. This entire process takes more than 24 hours but results in a dental crown that can last decades.

Finishing Touches:
Finally, the crown is carefully refined, color-matched, and polished to blend seamlessly with your natural teeth.

Why Porcelain Crowns Are Not Ideal

Some dental offices might still recommend porcelain crowns because they’re cheaper upfront. However, porcelain is:
❌ More brittle and prone to cracking under daily biting and chewing.
❌ Not as strong as zirconium, meaning it can fail much sooner.
❌ Leads to repeat treatments—if a porcelain crown breaks, you’ll have to invest even more in repairs or replacements.

Important Tip: If someone suggests porcelain for a full dental crown—especially for molars or back teeth—be cautious. Choosing a less durable material can lead to treatment failure and additional costs down the road.

Conclusion: Choose Wisely for a Smile That Lasts

Zirconium crowns represent the latest in dental technology—strong, natural-looking, and long-lasting. The 24-hour oven process ensures these crowns are as tough as they are beautiful. If you’re considering a dental crown or dental bridge, make sure you choose zirconium for the best results.

💡 Need help? Feel free to ask us for guidance and a free consultation! At Fesamedcare, we’re here to answer your questions and help you find the best dental treatment for your smile. 🌟🦷

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