Dental Crowns: When You Need One and What to Expect

21 Oct 2026 Time - 4:32 pm

If your dentist has recommended a crown, you probably have a few questions. What exactly is a dental crown, why do you need one, and will the procedure hurt? Here is a clear, practical overview.


What Is a Dental Crown?

A dental crown is a custom-made cap that fits over an entire tooth, restoring its shape, strength, and appearance. A filling repairs part of a tooth. A crown covers all of it, protecting whatever natural tooth structure remains underneath. With good care, crowns commonly last many years, and often a decade or more.


Why Might You Need a Crown?
Your dentist may recommend a dental crown if you have:
  • A large cavity that is too big for a filling to repair reliably
  • A cracked or fractured tooth that needs support
  • A tooth that has had a root canal, since treated teeth can become more brittle
  • Significant wear, often from grinding or clenching
  • A misshapen or heavily discoloured tooth that you want restored
In many cases, a crown is what allows a damaged tooth to stay in your mouth instead of being extracted.

Crown vs. Filling

A filling works when enough healthy tooth remains to support it. When decay or damage has removed too much structure, a filling may leave the tooth vulnerable to cracking under normal biting pressure. A crown wraps and reinforces the whole tooth.

What Happens During the Procedure?
The process usually takes two visits.
  • 1. Preparation. Your dentist examines the tooth, takes X-rays, numbs the area, and reshapes the tooth to make room for the crown. An impression or scan is taken, and a temporary crown protects the tooth while your permanent one is made.
  • 2. Placement. At the second visit, the temporary crown is removed, and your dentist checks the fit, bite, and colour of the permanent crown before cementing it in place.
Local anesthetic is used during preparation, so you should feel pressure rather than pain.

Crown Materials

Crowns can be made from porcelain or ceramic, zirconia, porcelain fused to metal, or metal alloys. Porcelain and ceramic blend in most naturally, which makes them popular for visible teeth. Metal alloys are very durable and are sometimes used for back teeth. Your dentist will help you choose based on the tooth's location, your bite, and your budget.


Recovery and Aftercare
Mild sensitivity to hot and cold for a few days is common. Stick to softer foods while you have a temporary crown, and avoid very sticky or hard foods.

To help your crown last:
  • Brush twice a day and floss carefully around the crown's edge
  • Avoid chewing ice or using your teeth to open packaging
  • Ask about a nightguard if you grind your teeth
  • Keep up with regular checkups

When to Call Your Dentist

Contact us if your crown feels loose, your bite feels uneven, you notice a chip or crack, or sensitivity gets worse instead of better after the first few days.


Frequently Asked Questions

Does getting a crown hurt?
Local anesthetic keeps the procedure comfortable. Some tenderness afterward is normal and usually settles within a few days.
How long does a dental crown last?
It depends on the material, your oral hygiene, and habits such as grinding. Many crowns last well over ten years with good care.
Is a crown always needed after a root canal?
Not always, but it is common, especially for back teeth that handle heavy chewing forces.
What is the difference between a crown and a veneer?
A crown covers the entire tooth and restores strength. A veneer covers only the front surface and is mainly cosmetic.

Book a Crown Consultation in Etobicoke
If you have a cracked, heavily filled, or sensitive tooth, an exam can tell you whether a crown makes sense. Call Iris Dental Group in Etobicoke at (416) 201-9660, or book online.