When it comes to restoring both the health and appearance of your teeth, crowns on teeth offer a highly effective and widely trusted solution.
Whether you’re dealing with a cracked tooth, a decayed tooth, or simply want to improve the overall appearance of your smile, dental crowns can offer both practical and cosmetic benefits.
A dental crown, also referred to as a tooth crown or dental cap, is custom-made to fit over your natural tooth. It helps protect, strengthen, and restore your tooth to its original shape and function. With modern materials and techniques, dental crowns have become more comfortable, durable, and lifelike than ever before.
This article explores how crowns on teeth enhance functionality and appearance, the types of materials available, the crown placement procedure, and how to care for your restoration.
What is a dental crown?
A dental crown is a tooth-shaped cap placed over a prepared tooth to restore its strength, shape, and size, while also improving its appearance. There are various types of crowns, each made from different materials suited for specific purposes and areas of the mouth.
Ceramic crowns
Ceramic crowns are highly valued for their natural appearance and are often used for front teeth due to their ability to blend seamlessly with natural tooth colour. Made from a durable, biocompatible material, ceramic crowns mimic the translucency of enamel, making them an excellent choice for those seeking a lifelike restoration.
However, while ceramic offers a superb aesthetic match, it is less durable than metals like zirconia or gold and may be more prone to chipping under heavy pressure, especially in the back teeth.
Porcelain crowns
Porcelain crowns are ideal for enhancing the aesthetics of highly visible areas, as they have a translucent quality that makes them look similar to natural teeth. These crowns provide a very natural look, making them a popular choice for patients who want a cosmetic upgrade for their smile.
While porcelain crowns are resistant to staining, they are somewhat less durable than other materials, especially when subjected to heavy biting forces. With proper care, however, they can still last many years and continue to provide a beautiful, natural-looking restoration.
Porcelain fused to metal crowns
Porcelain fused to metal crowns combine the strength of a metal base with the aesthetic appeal of porcelain, making them a versatile choice for patients seeking both durability and a natural look. The metal base ensures that the crown can withstand the pressures of chewing, especially on back teeth, while the porcelain exterior mimics the appearance of natural teeth.
However, over time, the metal framework may become visible at the gum line, especially if the gums recede, and they can also cause some wear on opposing teeth.
Zirconia crowns
Zirconia crowns are known for their exceptional strength, making them an excellent choice for both front and back teeth that require a durable solution. Made from a tough ceramic material, zirconia crowns can endure strong biting and chewing forces without cracking or chipping. They also offer an aesthetically pleasing result, as they can be crafted to resemble the appearance of natural enamel.
However, due to their strength, zirconia crowns may require more tooth preparation, and their hardness can be harder on opposing teeth compared to other crown materials.
Metal crowns
Metal crowns, such as those made from gold alloys or base metal alloys, are the most durable option, offering superior strength and resistance to wear. These crowns are ideal for back teeth, where chewing forces are greatest, as they can withstand significant pressure without breaking or chipping. Metal crowns are also gentler on surrounding teeth and gums, as their smooth surface reduces the risk of abrasion.
However, their primary downside is their aesthetic appearance, as the metal is not visually similar to natural tooth enamel, making them less suitable for visible teeth.
Composite crowns
Composite crowns are made from a tooth-coloured resin and offer a more affordable option compared to other crown materials. These crowns can be shaped to match the natural contours of the tooth and are often used for minor restorations or temporary crowns.
While composite crowns provide a good aesthetic match and are a cost-effective solution, they tend to wear down more quickly than other materials, and they may stain over time. As a result, they are best suited for areas that do not endure heavy chewing forces.
Differences between crowns and other dental restorations
Unlike fillings, which only replace a portion of a damaged tooth, a crown fully encases the entire visible part of the tooth.
This makes it ideal for teeth that are extensively damaged or weakened. While dental bridges are used to replace a missing tooth by anchoring to adjacent teeth, crowns restore individual teeth.
Additionally, a crown may be used to complete a dental implant, acting as the visible part of the restoration that functions and looks like a real tooth.
Reasons for getting a crown
Repairing cracked, broken, or severely worn teeth
Teeth that are cracked, broken, or severely worn down are structurally compromised and may be unable to handle the forces of biting and chewing. A dental crown provides reinforcement by encapsulating the entire surface of the damaged tooth. This not only restores its function but also helps prevent further damage.
Crowns are especially beneficial when the natural tooth has fractured in a way that cannot be repaired with a filling alone. A crown can hold together the pieces of a cracked tooth, distributing pressure evenly across the entire tooth structure and reducing the risk of additional fractures.
Supporting a tooth with a large filling or after root canal treatment
When a tooth has a large filling, there may not be enough remaining tooth structure to support the filling in the long term. This can leave the tooth vulnerable to cracking or breaking under pressure. In such cases, a crown helps by providing full coverage and structural support.
Similarly, after root canal treatment, the treated tooth often becomes more brittle due to the removal of its internal nerve and blood supply. A dental crown restores strength and seals the tooth, protecting it from future infection or breakage.
Functional benefits of dental crowns
Restoring chewing efficiency
One of the primary purposes of a dental crown is to restore the full function of a tooth. This includes the ability to chew and bite properly. When a tooth is compromised due to decay, trauma, or extensive dental work, it may no longer be effective at withstanding normal chewing forces.
A properly fitted crown restores the tooth’s original shape and size, ensuring that it interacts correctly with the opposing teeth. This allows for even distribution of pressure when biting and chewing, preventing damage to the crown or the opposing tooth.
Protecting weakened teeth from further damage
Teeth that have become weakened due to decay, trauma, grinding, or prior dental procedures are at risk of breaking under stress. A dental crown acts as a protective shell around the weakened tooth. It stabilises the tooth and guards against the forces that might otherwise cause fractures or chips.
This is particularly important for back teeth, which endure the most pressure when eating. By covering the weak tooth with a crown, it becomes far more resilient to daily wear and tear.
Cosmetic advantages
Enhancing the appearance of discoloured or misshapen teeth
Crowns are also widely used for cosmetic purposes. If a tooth is badly discoloured and cannot be corrected with whitening treatments, or if it is misshapen, a crown can be used to improve its appearance. Ceramic crowns and porcelain crowns offer a natural, attractive solution by mimicking the translucency and tone of real teeth.
Crowns can mask deep stains, chips, and irregular shapes, making them a popular option in cosmetic dentistry. They are often part of a smile makeover plan that addresses both the functional and visual aspects of a patient’s teeth.
Achieving a natural, uniform smile
Thanks to advancements in digital impressions and high-quality dental materials, many dentists can now create crowns that blend seamlessly with your natural teeth. The goal is to match the shape, size, and colour of your other teeth for a harmonious and uniform look.
A well-designed crown contributes to a more even, symmetrical smile that enhances your overall appearance. Whether placed on the front teeth or in less visible areas, a dental crown can provide the finishing touch to a smile transformation.
The procedure: from consultation to placement
Initial assessment and treatment planning
The dental crown procedure begins with a consultation at your dentist’s office. During this appointment, the dentist will examine your teeth and gums, take X-rays if needed, and discuss your treatment options.
The condition of the tooth, the surrounding gums, and the function of the bite are all taken into account when planning the placement of a crown. The dentist will also consider the most suitable material based on the location of the tooth and your aesthetic preferences.
Tooth preparation, impressions, and crown fitting
Once a decision is made, the dentist prepares the tooth by reshaping it to create room for the crown. This typically involves removing a thin layer of enamel to ensure a proper fit. In cases where there is minimal remaining tooth structure, a core build-up may be needed to support the crown.
After the tooth is prepared, the dentist takes an impression, either using a physical mould or digital imaging technology. This impression is sent to a dental lab, where skilled dental technicians fabricate the crown with high precision.
While waiting for the permanent crown, a temporary crown is placed over the prepared tooth to protect it. Once the new crown is ready, you’ll return to the dentist to have it fitted, adjusted, and securely bonded in place. The crown is checked to ensure it aligns properly with the opposing teeth and does not interfere with your bite.
Caring for your crown
Oral hygiene routines to maintain crown health
To ensure your dental crown lasts as long as possible, it’s essential to practice good oral hygiene. Brush twice daily with fluoride toothpaste, floss around the crown to remove plaque, and use an antibacterial mouthwash if recommended by your dentist.
Even though crowns themselves do not decay, the tooth underneath can still develop cavities, especially near the gum line. Consistent oral care helps protect both the crown and the natural tooth underneath.
Foods and habits to avoid
Certain habits can shorten the life of a dental crown. Avoid chewing hard foods such as ice, nuts, and hard sweets. You should also avoid using your teeth to open packages or bite non-food objects. Sticky or chewy foods may pull at the crown, especially in the early days after placement.
If you grind your teeth at night, your dentist may recommend a night guard to protect your new crown and your other teeth from damage.
Longevity and when to replace a crown
Average lifespan of crowns by material
With proper care, dental crowns can last between 10 and 15 years, sometimes much longer. Zirconia crowns and gold alloys tend to last the longest due to their strength and resistance to wear.
The longevity of your crown depends on the material used, the location of the crown, your oral hygiene habits, and the forces applied through chewing and biting.
Signs that indicate a crown may need replacing
Over time, crowns may wear down, become loose, or develop cracks. Common signs that your crown may need to be replaced include pain when biting, sensitivity, a visible crack, or a crown that no longer fits snugly.
If the underlying tooth becomes decayed or develops gum disease, it may also require attention. Regular dental visits allow your dentist to monitor your crown and catch any problems early.
Choosing the right dental practice
Factors to consider when selecting a provider
Choosing the right dentist is crucial for the success of your dental crown procedure. Look for a practice that uses modern technology, partners with a reputable dental lab, and has a track record of successful outcomes.
Read reviews, ask questions, and ensure the practice offers detailed consultations. You should feel confident that your dentist is experienced in restorative and cosmetic procedures and is capable of delivering a crown that looks and functions naturally.
Importance of experience, technology, and patient care
Dentists who stay up to date with the latest techniques and research, including findings from the British Dental Journal, are more likely to deliver excellent results. Attention to detail, patient comfort, and the use of advanced tools such as digital impressions contribute to a smoother and more successful treatment experience.
Direct Dental Wandsworth: the very best crowns to restore your smile
If you’re looking to restore both the function and appearance of your teeth with the very best crowns, Direct Dental Wandsworth is the place to go.
With a team of highly skilled professionals and a commitment to using the latest dental technology, including digital impressions and advanced materials, we offer a wide range of crown options tailored to suit your specific needs. Whether you’re dealing with a cracked tooth, a decayed tooth, or simply want to enhance your smile, we ensure that every crown we place provides a perfect fit and exceptional durability.
Don’t let a damaged or weakened tooth affect your confidence. Contact Direct Dental Wandsworth today to discuss how our crowns can restore your smile, improve your bite, and give you the long-lasting results you deserve.
