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7 Reasons behind teeth sensitivity after fitting crowns

June 27th,2018

Whether your teeth are infected with dental decay, teeth stains, chipped or broken, a tooth crown is effective to bring back the lost strength and appearance of the infected tooth. Similarly, the tooth caps are essential to cover the hole drilled in a tooth for Root canal Treatment.

We hope that you may know the mentioned benefits of dental crowns. Similarly, you may know or experience the teeth sensitivity for few days after a crown is placed. Right?

In general, the treated tooth requires some time to adjust the crown (or cap). Until then, the tooth produces some discomforts. You need not worrying about it.

Besides this, there are various factors which induce teeth sensitivity after capping a tooth with crowns. Such kind of crown sensitivity is not common.

1. Cement leakage

The crown will not properly fit to a tooth if it is not bonded properly. Similarly, if the sealant or cementing agent applied to cement the cap does not dry properly, it begins to leak. Then the crown moves and probably comes out from your mouth.

2. Root Fracture

A crown is generally bonded on the outer surface of a tooth. The nerves and tooth root are still present. If you have crown after a root canal, your tooth will not have nerves but the root is present.

When the root gets infected and eventually leads to a fracture in the root, it causes intense pain and becomes sensitive to temperatures.

3. Dead Root

Even after fixing caps, the oral bacteria are effective to penetrate the interior parts and kill the tooth root. When the root of a tooth dies, then the tooth becomes abscessed tooth. Generally, the abscess develops at the root of the tooth or in the space between gums and the infected tooth.

In such cases, you need to undergo Root Canal Therapy followed by replacing the existing crown.

4. Nerve damage

Rare are the cases, the crown disturbs the ligaments associated with the tooth nerves. Such irritation may damage the nerves present inside the tooth.  Then, you need to extract the damaged nerves with RCT and replace the existing crown with a new one.

Similarly, if the crown is placed very close to the nerve, the nerves get irritated. Consider your dentist to adjust the height of the crown.

5. Cavities

If the caries is not removed properly before fitting the crowns, remaining caries begins to build up and lead to tooth decay. Then the Dentists needs to drill the crown and remove caries and infected portions of the crowned tooth.

6. Referred Pain

In certain cases, the crown material bonded to a tooth irritates and damage the adjacent tooth. It leads the tooth next to the crowned tooth gets infected and becomes sensitive to hot and cold temperatures.

7. Gum Recession

If the crown margins are placed above the gum lines, they take space of the gums followed by gum recession. When the gum recedes, the inner parts like tooth root are visible. When tooth root is exposed to hot and cold temperatures, it causes tooth sensitivity.

Teeth sensitivity after fitting a crown to a tooth will go away itself, but intense pain or sensitivity prolonged for a while indicates that your crowned tooth is at risk. Visit your dentist to find the root cause of the crown sensitivity and get dental solutions to safeguard your crowned teeth.


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