Dental Tips Blog


Replacing a Dental Filling with a Crown

Posted in Crowns

As a filling begins to age, the margin of the filling begins to leak. This allows microscopic bacteria to enter into the area surrounding the filling, which can cause further damage to the tooth. The surrounding tooth enamel also becomes dehydrated and more brittle, which can set the tooth up for possible fracturing of large areas of the tooth.

If the filling is very large, or too much of the tooth has begun to fracture around an old filling, it is necessary to place a dental crown over the entire surface of the tooth. This maintains the structural integrity of the tooth and allows it to function normally. Simply removing an old large filling and re-prepping the tooth for another filling will not provide enough stability to withstand normal use. The tooth could easily break or fracture during chewing or biting.

Aging fillings will typically appear to have shadows in the tooth enamel around the filling. Teeth that have aging fillings may experience no symptoms whatsoever. Other times patients may feel occasional sensitivity to hot, cold, sweet or pressure. If you are experiencing any of these symptoms you should seek dental care in a timely manner. Delaying crown treatment on a tooth can allow the remaining enamel to become brittle and weak, breaking apart over time. Ultimately there may not be enough healthy enamel left to treat, leaving nothing to hold the crown on with. If treatment is delayed up to this point, a crown cannot be placed on the tooth and the tooth will simply have to be extracted after its live has extended itself. This will then require a tooth replacement option such as an implant.

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