Dental Crowns

1. Porcelain or Ceramic Crowns

Porcelain and ceramic crowns are known for their natural appearance. These crowns can be color-matched to your existing teeth, making them ideal for restoring front teeth. They are also a good option for people with metal allergies.

2. Metal Crowns

Metal crowns are made from alloys that include gold, platinum, or base metals like nickel or chromium. These crowns are highly durable and can withstand significant chewing pressure. However, because of their metallic color, they are generally reserved for out-of-sight teeth, such as molars.

3. Porcelain-Fused-to-Metal (PFM) Crowns

These crowns combine the strength of metal with the aesthetic appeal of porcelain. The metal structure provides durability, while the porcelain covering offers a natural tooth-like appearance.

4. All-Resin Crowns

All-resin crowns are less expensive than other types of crowns. However, they wear down over time and are more prone to fractures compared to other crown materials.

5. Zirconia Crowns

Zirconia crowns are a newer option that offers both durability and a natural appearance. Zirconia is a very strong material that can withstand biting forces, making these crowns suitable for both front and back teeth.

The process of getting a dental crown typically involves two visits to the dentist, unless you’re receiving a same-day crown made with CAD/CAM technology. Here is a step-by-step breakdown of the procedure:

1. Initial Examination and Tooth Preparation

During the first visit, your dentist will thoroughly examine the tooth that needs the crown. X-rays may be taken to check the roots of the tooth and surrounding bone. If the tooth is decayed, damaged, or has a large filling, your dentist may need to perform a root canal treatment before placing a crown.

To prepare the tooth for the crown, your dentist will remove a portion of the tooth structure to create enough space for the crown to fit securely. The amount of tooth removed depends on the type of crown being used.

2. Impressions and Temporary Crown

Once the tooth has been shaped, your dentist will take an impression (mold) of the tooth and the surrounding teeth. These impressions are sent to a dental lab where the custom crown will be created. This process typically takes about 2-3 weeks.

While waiting for your permanent crown, your dentist will place a temporary crown to protect the prepared tooth. The temporary crown is made from a resin material and is not as durable as the permanent crown, so care should be taken to avoid hard or sticky foods during this time.

3. Permanent Crown Placement

At your second visit, the temporary crown will be removed, and your dentist will check the fit and color of the permanent crown. If everything looks good, the crown will be cemented in place. Your dentist will make any necessary adjustments to ensure a comfortable fit and proper bite alignment.

Once your crown is placed, it is essential to maintain good oral hygiene and take care of the restored tooth. Here are some aftercare tips to ensure the longevity of your crown:

• Brush and Floss Regularly: Brushing twice a day and flossing once a day are crucial to preventing plaque buildup around the crown and ensuring the health of the surrounding teeth and gums.
• Avoid Hard Foods: While crowns are durable, excessive pressure from chewing hard foods such as ice, hard candies, or nuts can cause damage. Be mindful of the types of foods you eat, especially in the initial days after receiving your crown.
• Regular Dental Visits: It’s important to maintain regular dental check-ups and cleanings. Your dentist will monitor the condition of your crown and ensure that it’s functioning correctly.

With proper care, dental crowns can last anywhere from 5 to 15 years or longer. Porcelain and zirconia crowns tend to last the longest, while resin and PFM crowns may have shorter lifespans due to wear and potential chipping. Factors that affect the lifespan of a dental crown include:

• Oral hygiene habits: Proper brushing, flossing, and regular dental visits help extend the life of the crown.
• Material of the crown: Metal crowns generally last longer than porcelain or resin-based crowns.
• Personal habits: Avoid habits such as teeth grinding or clenching, which can put stress on the crown. If you have bruxism (teeth grinding), your dentist may recommend wearing a night guard to protect your teeth and crown.