When to Replace a Filling
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When to Replace a Filling
Dr. Clayton Zeidler writes for the San Jose dentists at the Zeidler Dental Group (http://www.zeidlerdentalgroup.com), a top dental practice committed to comprehensive care for the entire family.
Dental fillings are used to repair teeth that have been damaged by decay, injury or bruxism (teeth grinding). The decayed material is removed from the tooth, and the cleaned out cavity is then restored with a replacement material, most often made of amalgam or composite resin. Over time, however, even this replacement material must be substituted out, due to discoloration or damage. Below are common reasons to replace a filling.
When Your Filling Is Worn Out:
Unfortunately, this replacement compound doesn’t last forever. Amalgam fillings usually last from five to seven years or sometimes up to even 15 years. However, with the normal wear that occurs every day from chewing and biting, this compound may have to be removed and recreated sooner. Because you may not be able to tell if they are worn out, regular visits to the dentists are necessary to help determine if you need replacements.
If A Filling Falls Out:
It is possible for the replacement compound to fall out. Chewing too hard with a large filling can cause cracking or even breakage to occur, eventually becoming loose and falling out. Improper creation can also lead to a failed replacement. In these cases, instances of saliva in the cavity as it is being filled can lead to a failed application. For most composites, this means that the material will not be properly bonded to the tooth, causing it to not stick well and possibly fall out.
If There Are Cracks:
Cracks are often caused by normal wear from chewing and biting. Cracks that are small and occur around the edge of a filling can usually be repaired by your dentist. A crack can also occur shortly after a replacement procedure. Fillings that are higher than the tooth’s normal surface must often tolerate more biting force than the rest of the tooth, causing cracks or fractures to form in the compound, which then requires replacement.
If There Is Leakage:
If it does not fit properly against the side of the tooth, there may be resulting leakage that occurs. Saliva and bacteria can enter the gap between the compound and the tooth, leading to discoloration, increased sensitivity and even decay. If a filling leaks, you may experience painful sensitivity to the cold. Sometimes this sensitivity can go away if it occurs shortly after an amalgam filling is placed. This happens when the filling eventually begins to corrode, and effectively seals any gaps that cause leaks. If you experience sensitivity in your teeth, consult your dentist to determine if your filling must be replaced.
If your teeth are overly sensitive, or if you have cracked, lost, or worn out fillings, consult your local dentist to schedule an appointment. Properly implemented fillings can help reduce the pain and discomfort you would otherwise experience.
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