Dental-Bridge Problems


Dental bridges have crowns or porcelain teeth and fit over an existing tooth or teeth. With good oral hygiene and visits to the dentist at least twice a year, a properly constructed dental bridge can last 10-to-20 years. However, if an individual has a poorly constructed dental bridge, the problems can begin immediately and continue long term.


  • The bridges and crowns are supposed to fit snugly over the trimmed-down tooth to ensure that it doesn't move or fall out of place at any time. However, when dental bridges frequently fall out or become loose, there are underlying issues. This is a common problem and can happen for three reasons. The mechanical preparation of the tooth is inadequate. This means that the tooth wasn't trimmed down enough. The tooth underneath becomes decayed. The other problem is, if the bridge wasn't constructed correctly in the dental laboratory.


  • A porcelain fracture can also cause dental-bridge problems. The fracture is a hairline break in the dental bridge. This problem can occur for two different reasons. For instance, the dental laboratory can have a processing error, and a mistake can be made in how the dental bridge was created. However, mistakes can also happen before the information is sent to the laboratory. Your dentist can misjudge the mechanics of your bite. Nevertheless, a porcelain fracture can be a combination of mistakes of the dentist and of the laboratory.


  • Another problem with dental bridges are when there's a space between the trimmed tooth and the bridges. When this gap or space problem occurs, the tooth is not completely covered as it's required to be. The space, in addition, can cause more problems. For instance, since the tooth is not covered, the trimmed tooth is a prime target for tooth decay and cavities.


  • The size of the dental bridges or crowns can be the problem. Dental bridges are custom-fitted to your mouth. However, problems can be caused when the dental bridges or crowns are either too slim or too bulky. This can cause two problems. Food can become trapped between the tooth and the bridge if it's too slim; as a result, tooth decay can occur. The second problem is when the bridge is too bulky; this can cause cheek irritation.


  • Dental bridges weren't created just to cover trimmed-fitted teeth. They also replace missing teeth. However, a problem can arise when the dental bridges aren't constructed to replace enough teeth. Let's say you have four missing teeth. Since your dentist considers the strength of the other teeth that will have the dental bridge attached to it, your dentist may decide your teeth can't handle a large bridge. Thus, your dentist can require the laboratory to make a bridge with three crowns instead of four. So the problem with the dental bridge is that it is trying to replace multiple missing teeth, but has too few teeth to do the job.


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