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Crowns
A dental crown is a protective cap that covers a damaged or decayed tooth, providing strength and restoring its appearance. It is held securely in place with dental adhesive or cement and is commonly used for a range of dental issues. Crowns are ideal for protecting badly decayed teeth, restoring teeth with large fillings, and correcting cosmetic concerns like irregular shapes or severe discolouration.
Why Do You Need a Dental Crown?
Dental crowns are commonly recommended for several reasons:
- Protection for severely decayed or fractured teeth.
- A permanent restoration for teeth with large fillings that no longer offer sufficient support.
- To improve the appearance of natural teeth, correcting issues like spacing, irregular shapes, or severe discolouration.
What Materials Are Dental Crowns Made From?
Dental crowns are crafted from a variety of durable materials, each offering unique benefits:
- Plastic crowns are generally used for temporary solutions.
- Ceramic crowns offer a natural-looking finish, ideal for front teeth.
- Metal alloy crowns, known for their strength and durability, are often used for back teeth.
- A combination of metal and ceramic can be used to combine the strength of metal with the natural appearance of porcelain or ceramic.
How Are Dental Crowns Made?
The process of getting a dental crown typically involves several appointments:
- First Appointment: A thorough clinical examination and X-rays are taken to assess the tooth's suitability for a crown. Your dentist will also discuss the material options and treatment plan.
- Second Appointment: The affected tooth is prepared by reducing its size (usually under local anaesthesia). An impression or mould is taken and sent to a dental laboratory, where a crown is custom-made. In the meantime, a temporary crown is fitted.
- Third Appointment: The temporary crown is removed, and the permanent crown is checked for fit, bite alignment, and appearance. Once satisfied, the crown is cemented securely in place.
How Long Do Dental Crowns Last and How Do I Care for Them?
Dental crowns are made from long-lasting, inert materials that do not deteriorate over time. However, the underlying tooth can still be susceptible to decay and gum disease, so it's crucial to maintain good oral hygiene.
Ceramic crowns may chip or fracture if subjected to excessive pressure, so it’s important to avoid chewing hard substances like ice or bones. Daily brushing and flossing are essential to prevent plaque buildup, particularly around the junction between the tooth and the crown, which is the most vulnerable area.
Regular check-ups are necessary to ensure the crown remains in good condition and to address any potential issues before they become problematic.
Tips for Caring for Your Dental Crown:
- Brush and floss your teeth daily to maintain good oral health.
- Avoid chewing hard or sticky foods that could damage your crown.
- Visit your dentist regularly for check-ups and professional cleanings.
- Use a night guard if you grind your teeth to protect your crown from wear and tear.