What Are Inlays and Onlays? A Bite-Sized Guide to Understanding These Dental Gems

Aug 21, 2024 | Inlays and Onlays

What are Inlays and Onlays?

When it comes to dental restorations, most people are familiar with fillings and crowns. However, there’s a lesser-known but equally important option that often gets overlooked: inlays and onlays. These dental gems are custom-made restorations designed to fit precisely into the grooves of a tooth. An inlay is used to fill the space within the cusps of a tooth, while an onlay extends over one or more of the cusps, offering more extensive coverage.

Inlays and onlays provide a perfect blend of strength and aesthetics, making them an ideal choice for restoring damaged teeth. They are often chosen when a cavity is too large for a filling but doesn’t require a full crown, providing a durable and natural-looking solution that preserves more of your natural tooth structure.

In this guide, we’ll explore what inlays and onlays are, when they might be used, and why they could be the right solution for your dental needs. Whether you’re dealing with a cavity too large for a standard filling or you’re simply curious about modern restorative options, this guide will provide the insights you need to make informed decisions about your dental health.

Key Takeaways

  • Inlays and onlays are custom-made to fit your tooth perfectly, offering a strong and long-lasting way to repair damage.
  • Dentists choose inlays and onlays when a filling isn’t enough, but a crown is too much, preserving more of your natural tooth.
  • These restorations look natural and blend in with your teeth, making them nearly invisible and great for maintaining your smile.
  • While they might cost more upfront, inlays and onlays offer long-term value by being durable and helping to keep your teeth healthy.
  • The price varies based on materials, tooth damage, and where you live, but they’re often worth the investment for their strength and durability.
Benefits of Inlays and Onlays

What are Inlays and Onlays?

Dental inlays and onlays repair damaged or decayed teeth by filling specific areas with precision. Inlays fill the space between a tooth’s cusps, while onlays cover one or more cusps or even the entire biting surface. These restorations are custom-made to match the exact shape and size of the cavity. A dental laboratory typically fabricates them before the dentist cements them in place.

Inlays and onlays primarily restore a damaged tooth’s strength, function, and integrity. Dentists often use them when a tooth is too damaged for a simple filling but not damaged enough to need a full crown. These restorations strengthen the tooth structure, prevent further decay, and return the tooth to its original shape and function.

Unlike other dental restorations such as fillings and crowns, inlays and onlays preserve more of the natural tooth structure. They require removing less tooth material than dental crowns, making them a more conservative treatment option.

When Are Inlays and Onlays Recommended?

Dentists recommend inlays and onlays in specific dental situations where tooth decay or damage is too extensive for a standard filling but not severe enough to require a full crown. These restorations are ideal for preserving the natural tooth structure while providing a durable and aesthetically pleasing solution.

1. Extensive Tooth Decay or Damage

Dentists often choose inlays and onlays when a tooth has significant decay or damage, especially on the chewing surface. If a simple filling isn’t enough to restore the tooth’s integrity, an inlay or onlay offers a stronger alternative. Instead of removing a substantial portion of healthy tooth structure, as with fillings, dentists use inlays and onlays to fit within the existing tooth, reinforcing its strength precisely.

2. Preserving Natural Tooth Structure

One of the major benefits of inlays and onlays is their ability to preserve more of the natural tooth structure compared to crowns. Crowns require dentists to remove a significant amount of the tooth to make room for restoration, but inlays and onlays allow for a more conservative approach. They replace only the damaged or decayed parts of the tooth, keeping the healthy portion intact. This method not only maintains the natural tooth structure but also reduces the chances of future complications.

3. Durability and Strength

Inlays and onlays are known for their durability. Dentists often choose materials like porcelain, composite resin, or gold to create these restorations, designed to withstand the pressure of chewing and can last for many years with proper care. Unlike traditional fillings, which may wear down over time, inlays and onlays bond securely to the tooth, adding strength and stability. This makes them especially suitable for restoring molars and other teeth that endure heavy biting forces.

4. Aesthetics and Precision

Aesthetics also play a significant role in why dentists recommend inlays and onlays. When made from tooth-colored materials such as porcelain or composite resin, they blend seamlessly with the natural tooth, making them nearly invisible. This is particularly important for patients concerned about their dental restorations’ appearance. Additionally, since inlays and onlays are custom-made in a dental laboratory, they offer a precise fit that enhances both the function and appearance of the tooth.

Dentists recommend inlays and onlays when a tooth needs more than a filling but less than a crown. Their ability to preserve natural tooth structure, durability, and aesthetic appeal make them an excellent choice for restoring and strengthening damaged teeth. Whether addressing extensive decay or a structurally compromised tooth, inlays and onlays provide a tailored solution that balances function and form.

Benefits of Inlays and Onlays

Inlays and onlays offer several advantages over other restorative options, making them a preferred choice for many dental professionals and patients. Here are the key benefits of choosing inlays and onlays:

  • Longevity: Inlays and onlays last a long time. Dentists craft them from durable materials like porcelain, composite resin, or gold, allowing them to withstand the rigors of daily chewing and biting for many years. These restorations often outlast traditional fillings.
  • Superior Strength and Durability: These restorations provide exceptional strength, particularly in areas where the tooth experiences high pressure. Inlays and onlays bond tightly to the tooth, adding structural support and preventing further damage, which is crucial for maintaining long-term dental health.
  • Natural Appearance: Inlays and onlays made from tooth-colored materials blend seamlessly with the surrounding teeth. Their custom design ensures they match the natural color and contour of your teeth, resulting in a virtually invisible and aesthetically pleasing restoration.
  • Improved Bite Function: By restoring the tooth to its natural shape and size, inlays and onlays improve bite function. They help distribute chewing forces evenly across the tooth, reducing the risk of future fractures or wear.
  • Conservative Approach to Restoration: One of the most significant benefits of inlays and onlays is their conservative nature. Unlike crowns, which require substantial removal of healthy tooth structure, inlays and onlays preserve more of the natural tooth. This approach maintains the tooth’s integrity and reduces the risk of future dental issues.
  • Custom Fit: Dentists precisely craft inlays and onlays to fit the specific dimensions of your tooth. This custom fit enhances the restoration’s effectiveness and ensures comfort and a natural feel when you bite or chew.

Materials Used in Inlays and Onlays

Inlays and onlays can be made from a variety of materials, each with its own set of advantages and disadvantages. Common materials used for these restorations include ceramic or porcelain, composite resin, and gold or other metals.

Ceramic or porcelain inlays and onlays are popular for their natural appearance and ability to blend seamlessly with the surrounding teeth. They are also highly durable and resistant to staining, making them a long-lasting choice for dental restorations.

Composite resin inlays and onlays are another popular option, especially for patients who prefer a more affordable and easily repairable restoration. While not as durable as ceramic or porcelain, composite resin restorations can be a good choice for less visible areas of the mouth.

Gold or other metal inlays and onlays are known for their strength and longevity. While they may not offer the same natural look as ceramic or composite resin, they are often chosen for their exceptional durability and ability to withstand heavy biting forces.

When considering the materials for inlays and onlays, it’s important to weigh the factors of durability, aesthetics, and cost to determine the best option for each individual case.

The Procedure: What to Expect

Getting inlays and onlays typically involves several steps, beginning with an initial consultation and examination with your dentist. During this visit, your dentist assesses the condition of your tooth and determines whether an inlay or onlay is the most suitable treatment option.

Once you and your dentist decide to proceed with the restoration, your dentist prepares the tooth by removing any decay or damage. Afterward, they take an impression to create a custom-fitted inlay or onlay. Your dentist may place a temporary restoration to protect your tooth while the final restoration is being fabricated in a dental laboratory.

The final step involves your dentist carefully cementing the inlay or onlay into place. Once the restoration is secure, you’ll receive aftercare and maintenance tips to ensure its longevity and functionality.

Man using a calculator to determine costs of dental services

Cost Consideration

When considering inlays and onlays, it’s essential to understand the factors that influence their cost. Several elements contribute to the overall price, including the material used, the extent of the tooth damage, and the location of the dental practice.

1. Material Used

The material chosen for your inlay or onlay plays a significant role in the cost. Porcelain and composite resin are commonly used for their aesthetic appeal and durability, but they tend to be more expensive than other materials like gold. The choice of material not only affects the price but also the appearance and longevity of the restoration.

2. Extent of Tooth Damage

The severity and extent of the tooth damage also impact the cost. A more extensive restoration requires more material and time, naturally increasing the price. Inlays typically address damage within the tooth’s cusps, while onlays cover one or more cusps or even the entire biting surface. Because onlays generally require more work and material, they may be more expensive, although the cost difference is often minimal.

3. Location of the Dental Practice

The geographic location of the dental practice can also influence the cost. Practices in metropolitan areas or regions with a higher cost of living may charge more for dental procedures, including inlays and onlays, compared to practices in less expensive areas.

Cost Comparison with Other Restorative Options

When comparing inlays and onlays to other restorative options like fillings and crowns, it’s important to consider both the upfront cost and the long-term value. The cost of both inlays and onlays is roughly the same, typically ranging from $650 to $1,000 per tooth, with the average price being around $900 per tooth. In contrast, fillings are generally less expensive, but they may not offer the same durability and strength, particularly for larger cavities or damage.

Crowns, on the other hand, can be more expensive, especially if they require significant tooth preparation or involve high-end materials. However, crowns also involve more extensive removal of healthy tooth structure, which might not be necessary for all cases. Inlays and onlays strike a balance by preserving more of the natural tooth while providing a strong, long-lasting solution.

Long-Term Value and Benefits

While the initial cost of inlays and onlays may be higher than that of fillings, they offer significant long-term value. Their superior strength and durability mean they are less likely to require replacement or repair, potentially saving you money over time. Additionally, inlays and onlays provide a more conservative approach to tooth restoration, preserving more of the natural tooth structure leading to better oral health in the long run.

It’s also worth noting that the cost may vary depending on the tooth’s location. Molars, located in the back of the mouth, may cost more due to the increased difficulty of the procedure and the larger size of the tooth.

While inlays and onlays represent a significant investment, their durability, strength, and ability to preserve natural tooth structure make them a valuable option for dental restoration. Considering the long-term benefits, they often prove to be a cost-effective choice compared to other restorative options.

The Smart Choice for Lasting Dental Health

Inlays and onlays offer a powerful combination of durability, aesthetics, and tooth preservation, making them an excellent option for those seeking a long-term solution to dental damage. By choosing these restorations, you protect your teeth and maintain their natural appearance and function. Whether you’re dealing with extensive decay or simply exploring the best ways to keep your smile healthy, inlays and onlays provide a smart, reliable choice. As you consider your dental options, remember that investing in these high-quality restorations can pay off with years of comfort and confidence in your dental health.

Ready to Restore Your Smile? We’re Here to Help!

If you’re considering inlays or onlays to repair your teeth and enhance your smile, the expert team at Soundview Family Dental is here to guide you through the process. Our personalized approach ensures you receive the best care tailored to your needs.

Don’t wait to invest in your dental health. Contact us today at (425) 563-6360 to schedule your consultation and take the first step toward a stronger, healthier smile.

Eric Kitts, DDS

Eric Kitts, DDS

Owner @ Soundview Family Dental

Born in Seattle and raised in Puyallup, Dr. Eric Kitts received his undergraduate degree from Washington State University and his DDS from the University of Washington School of Dentistry. Dr. Kitts began practicing dentistry in 2000, at his office in Richmond Beach. In 2011, Dr. Kitts built a brand-new, state-of-the-art dental facility located in the heart of downtown Edmonds.

Book with us today!

Are you unhappy with the appearance of your teeth and refuse to show the world your beautiful smile? Has discomfort at the dentist kept you from receiving dental work that will give you a reason to smile again?

At Soundview Family Dental in Edmonds, WA, we understand that not everyone likes the dentist. Our team of caring professionals works with you to ensure that you feel comfortable from the moment you walk through the door. Specializing in cosmetic and restorative dentistry, Dr. Kitts and his team work hard to preserve your natural teeth and give you back a smile you can be proud of.

Contact today to schedule an appointment and let our team deliver a beautiful, natural-looking smile you can be proud to show off.

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