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Internal resorption is a tooth disease where the tooth walls and dentin resorb into the affected tooth due to trauma or injury. It can be difficult to diagnose, but if identified quickly, a root canal procedure can restore the tooth. If left untreated, the tooth may need to be extracted.
Internal resorption is a tooth-related disease. When this happens, the pupil walls and dentin actually begin to resorb into the affected tooth. If there is an injury or trauma to a tooth and the underlining nerve becomes irritated, the root can begin to eat away at the outer lining of the tooth. This occurs from within the root system, so internal resorptive damage may not be noticed for several years. An X-ray is required to properly diagnose this dental condition.
When resorption occurs, the periodontal ligament no longer functions to protect the outer lining of the tooth. Instead of functioning normally, it attacks the trauma site. Trauma can be defined as a hole in a tooth or natural decay of the tooth surface. The perfect scenario for internal resorption is a split or crack in a tooth surrounding exposed metal filings. After a while, the nerve will be exposed and the dentist will be able to pinpoint the source of the resorption.
This condition is sometimes difficult to diagnose because it starts within the pulp chamber of the tooth. Typically, the only symptom is pain and soreness at the trauma site. Another sign of internal resorption is inflamed gums, sore roots and sore bones surrounding the tooth. Since these symptoms go hand-in-hand with many other types of tooth-related conditions, it may be virtually impossible to identify the problem. If the lesion in the pulp chamber is too small to see, it may not be identified until there is considerable damage to the tooth.
Fortunately, if the damage is identified quickly, the tooth can be restored with a root canal procedure. During this process, the root system and pulp chamber are completely removed. This process can also eliminate any pain or discomfort related to internal resorption, and the tooth will then be cleaned and sealed. If the seal has been punctured, however, a bacterial infection can also further damage the tooth.
It is imperative to diagnose a resorption immediately to save the tooth. In some cases, the extent of the damage is too severe to repair. If there is no way to save the tooth, it will have to be pulled out completely. Internal resorption has no effect on surrounding teeth.
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