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Do you require a crown or onlay instead?
August 10, 2021  |  Dental Services, dentist

Do you require a crown or onlay instead?

Dental crowns and Onlays are single-tooth restorations. They are expressly designed for large sections of degradation that cannot be repaired with a filler or inlay. The main distinction between the two is that an onlay completely covers the tooth cusp, whereas an inlay just partially fills the cusps. Crowns entirely encase the tooth's biting surface, including the tooth structure above the gum line.

Dental Crowns


A dental crown or cap is an artificial tooth that serves as a replacement. Dental crowns are applied to damaged teeth by a dentist. It works well on teeth that are decaying, yellowed, cracked or shattered, or just malformed. Dental crowns are typically used after root canal therapy, which removes decaying or damaged tooth pulp. The crown will aid in the repair of the injured tooth. Crowns are available in a range of materials. Porcelain crowns, on the other hand, are the most prevalent since they mimic the natural appearance of your remaining teeth. 

The Benefits and Drawbacks of Crowns


Crowns are powerful and long-lasting. Even more powerful than a genuine tooth! Crowns appear and feel like natural teeth, and because of their increased strength, they also operate naturally. Unfortunately, dental crowns necessitate the removal of a significant portion of the native tooth's structure. This is because crowns are made to replace the visible part of the tooth, hence the visible section of the tooth must be removed for them to fit comfortably.

Dental onlays

An onlay is porcelain and ceramic component that covers the majority of your prepared tooth. When the afflicted portion of the tooth includes the cusps, an onlay is employed. The decayed area of your tooth will be removed, and a digital impression will be taken. The onlay is then custom-made to match the rest of the structure of your tooth. After the onlay has been designed, the dentists will stain and glaze it to match the color of your existing tooth. Finally, the onlay is affixed to your tooth with cement. An onlay can be applied to one, two, or three surfaces. Onlays are sometimes referred to as partial crowns because they resemble crowns in appearance but do not require as much tooth structure to be removed from the tooth.

The benefits and drawbacks of onlays

Although these restorations are not as strong as crowns, they have numerous advantages. Some people may require tooth restoration if they have not taken good care of their dental health or if a filling or crown has become defective. Unfortunately, this can lead to significant damage to the remaining tooth structure. In such circumstances, if the tooth has previously been restored with a filling, inlay, or onlay, the subsequent restoration is less likely to necessitate a full tooth replacement. When crowns are involved, the remaining tooth structure is frequently no longer recoverable.

What is the lifespan of crowns and onlays?

Although dental restorations are not permanent, some last longer than others. Crowns often last between 10 and 15 years. Following that, the crowns must be replaced. The crown will be removed and the remaining tooth structure will be reshaped by the dentist.

Dental onlays have a lifespan of 20-30 years. The previous onlay is removed, and the tooth is readied for replacement. When replacing the old onlay, the dentist has more tooth structure to deal with.

We hope you now have a better understanding of the benefits and drawbacks of crown and onlay. If you're seeking the best cosmetic dental treatment in Conroe, TX, visit Grand Central Dentistry, where our dentist will evaluate your teeth and recommend the best solution. The degree of deterioration will be the most important aspect.