Dental Care

Dental Crowns

Dental crowns, also known as dental caps, are prosthetic devices used to restore the shape, size, strength, and appearance of damaged or decayed teeth. They are custom-made covers that are placed over the visible portion of a tooth, extending from the gum line to the chewing surface. Dental crowns can be made from various materials, including porcelain, ceramic, metal alloys, or a combination of materials. Here's an overview of dental crowns:

1. Purpose: Dental crowns serve several purposes, including:
   • Restoring teeth that are severely decayed, damaged, or weakened.
   • Protecting and strengthening teeth following root canal therapy.
   • Enhancing the appearance of misshapen, discolored, or poorly positioned teeth.
   • Supporting dental bridges to replace missing teeth.
   • Covering dental implants to replace missing teeth.
2. Types of Crowns:
   • Porcelain Crowns: Porcelain crowns are popular for their natural appearance and ability to closely match the color and translucency of natural teeth. They are often used for front teeth or highly visible areas.
   • Ceramic Crowns: Ceramic crowns are similar to porcelain crowns but may be more durable and resistant to staining. They are a popular choice for both front and back teeth.
   • Metal Crowns: Metal crowns, such as those made from gold alloy or other metal alloys, are known for their strength and durability. They are often used for molars or teeth that undergo heavy biting forces.
   • Porcelain-Fused-to-Metal (PFM) Crowns: PFM crowns combine the strength of metal with the natural appearance of porcelain. They have a metal substructure covered with porcelain, providing both durability and aesthetics.
   • Zirconia Crowns: Zirconia crowns are made from a strong, tooth-colored material known as zirconium oxide. They offer excellent strength and aesthetics and are suitable for both front and back teeth.
3. Procedure:
   • Preparation: Before placing a dental crown, the tooth is prepared by removing any decayed or damaged tissue and shaping it to accommodate the crown. In some cases, a dental crown may be placed over a dental implant or following root canal therapy.
   • Impressions: Impressions of the prepared tooth are taken to create a custom-made crown that fits accurately and blends seamlessly with the surrounding teeth.
   • Temporary Crown: A temporary crown may be placed over the prepared tooth while the permanent crown is being fabricated in a dental laboratory.
   • Placement: Once the permanent crown is ready, it is cemented or bonded onto the prepared tooth using dental adhesive. The fit and appearance of the crown are carefully evaluated and adjusted as needed to ensure proper function and aesthetics.
4. Care and Maintenance: Dental crowns require regular care and maintenance to ensure longevity and oral health. This includes practicing good oral hygiene habits such as brushing twice a day, flossing daily, and attending regular dental check-ups and cleanings. Avoiding hard or sticky foods and habits such as teeth grinding can also help prevent damage to dental crowns.
5. Durability: The lifespan of a dental crown depends on various factors, including the material used, the patient's oral hygiene habits, and biting forces. On average, dental crowns can last between 5 to 15 years or more with proper care. However, they may need to be replaced over time due to wear, damage, or changes in the underlying tooth structure.

Overall, dental crowns are versatile restorative devices that can effectively restore the form and function of damaged or weakened teeth while improving the appearance of the smile. Your dentist can evaluate your specific dental needs and recommend the most suitable type of crown for your situation.