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What Are Tooth Crowns and Caps?
In dentistry, tooth crowns and caps refer to the same type of dental restoration. A crown (or cap) is a custom-made, tooth-shaped covering that fits perfectly over a damaged or weakened tooth. It is permanently cemented into place to restore the tooth’s strength, function, and appearance.
While both terms are often used interchangeably, some dental professionals note that the word “cap” may sometimes describe a less invasive restoration that covers only part of the tooth. However, both serve the same essential purpose: protecting and rebuilding compromised teeth.
When Do You Need a Dental Crown or Cap?
Dental crowns are recommended in several situations where a tooth has lost its natural integrity or appearance. Below are the most common reasons why a dentist may suggest a tooth crown or cap:
1. Weak or Cracked Tooth
If a tooth has been weakened by decay or injury, a crown reinforces its structure and prevents further damage.
2. After Root Canal Treatment
Teeth that have undergone root canal therapy often become brittle. A dental crown provides the strength and protection needed to prevent fractures.
3. Large or Broken Fillings
When a tooth contains a large filling or has lost significant structure, a crown helps preserve what remains and restores the tooth’s shape.
4. Severely Decayed Teeth
In cases of extensive decay where a filling cannot restore the tooth, a crown can save and protect it.
5. Discolored or Misshapen Teeth
For aesthetic reasons, crowns can dramatically improve the color, size, and alignment of teeth, creating a more uniform smile.
6. Covering Dental Implants
Dental crowns serve as the visible, functional component of dental implants, offering a natural-looking replacement for missing teeth.
Step-by-Step Process: How Dental Crowns Work
Understanding how a crown is placed can help you feel more comfortable about the procedure. The process is typically completed in two dental visits.
1. Tooth Preparation
Your dentist reshapes the tooth by removing a small portion of enamel to make room for the crown. This step ensures a snug, natural fit.
2. Dental Impression
An impression or 3D scan of your teeth is taken to create a custom-made crown that matches your bite and surrounding teeth.
3. Temporary Crown Placement
A temporary crown is fitted to protect the prepared tooth while your permanent crown is being fabricated in a dental lab.
4. Permanent Crown Placement
Once your permanent crown is ready, your dentist removes the temporary one and cements the new crown securely in place. The final result looks and feels just like a natural tooth.
Are Dental Crowns Permanent?
While crowns are designed to be long-lasting, they are not completely permanent. Over time, normal wear or gum recession may require replacement. However, with good oral hygiene and regular dental visits, a crown can last a decade or more, maintaining its beauty and function.