A dental crown is a popular treatment option used to cover teeth which are damaged. Crown can aid in restoring a tooth’s shape, size, appearance, and function. Crowns certainly don’t last forever, however, patients can extended the lifespan of the restoration through proper care, practicing good oral hygiene, and by following restrictions and instructions provided by the dentist. This article will discuss how long zirconia crowns typically last and what can affect their lifespan.
Crowns are often used for patients with a large filling without enough tooth remaining to hold it. A crown can help strengthen a damaged tooth and is commonly used in the following situations:
1. Protect a fragile tooth after root canal treatment
2. Prevent additional damage on a weakened tooth
3. Restore cracked or broken teeth
4. Support dental bridges
A variety of different materials can be used to create a dental crown. The materials each have certain advantages and disadvantages. Specific materials may last longer or be more durable than other options which may have a more natural appearance. On average, the life expectancy of a crown is 10 years. Patients who properly care for their crowns can may see that they last for 15 years or more. When the dentist is determining the best material to use, they often consider where the damaged tooth is located, how much natural tooth is available, and the visibility of the crown.
A popular material used to create crowns is zirconia. Zirconia is a type of ceramic material and the crowns are created from zirconium dioxide, a strong material which is related to titanium. These crowns are incredibly durable and resistant to fractures. In fact, zirconia is the strongest non-metal material currently available to make a crown. Patients with a zirconia crown who practice good oral hygiene may find that their crown can last for 15 years or more.
The dentist will typically order dental X-rays and perform a thorough examination to determine if a crown requires replacement. If there is any visible decay or gaps between the tooth and crown, replacement is necessary. A broken crown will also need to be replaced right away. Replacement may also needed in cases where there is a gap between the adjacent teeth and the crown. Gaps can quickly allow for food debris and bacteria to accumulate.
The following are warning signs suggest that a crown may need to be replaced in the near future:
1. Patient experiences pain or discomfort where the crown is located. In most cases, pain which is associated with a crown indicates that decay is present. The crown will need to be removed in addition to any decay on the tooth. Following the procedure, the dentist can place a new crown.
2. When a crown moves or is unstable, it typically needs to be replaced. Crown shifting often occurs when patients chew on a sticky substances such as gum or caramel which causes the crown to come loose.
3. The crown may change in its appearance compared to the natural teeth. Over time, the patient may notice the crown differs in color from the natural teeth. This is especially common when patients receive whitening treatment.
4. Crowns can chip, crack, or experience damage from routine wear over time. Damaged crown will need to be replaced.
On average, the lifespan of a crown is about 10-15 years. Various factors such as the material used, the dentist providing treatment, the patient’s oral health, oral hygiene practices, and lifestyle habits can all impact how long crowns may last. When zirconia crowns are properly cared for and patients have good oral hygiene, they can last for decades. Follow up with a dentist to discuss if a zirconia crown may be a good solution for repairing a damaged tooth.