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Impacted wisdom teeth is a condition where the third molars (wisdom teeth) are prevented from erupting into the mouth. [1] This can be caused by a physical barrier, such as other teeth, or when the tooth is angled away from a vertical position. [ 2 ]
There are different types of odontogenic infections which may affect impacted wisdom teeth such as periodontitis, pulpitis, dental abscess and pericoronitis. Pericoronitis is a common pathology of impacted third molar. [35] It is an acute localized infection of the tissue surrounding the impacted wisdom teeth.
That is the total length of the alveolar arch is smaller than the tooth arch (the combined mesiodistal width of each tooth). The wisdom teeth (third molars) are frequently impacted because they are the last teeth to erupt in the oral cavity. Mandibular third molars are more commonly impacted than their maxillary counterparts.
Impacted wisdom teeth happen when there's not enough room in your mouth for your third molars to emerge and they get stuck under your gum line.
A treatment controversy exists about the necessity and timing of the removal of asymptomatic, disease-free impacted wisdom teeth which prevents pericoronitis. Proponents of early extraction cite the cumulative risk for extraction over time, the high probability that wisdom teeth will eventually decay or develop gum disease and costs of ...
Sometimes impacted wisdom teeth (wisdom teeth that are stuck and unable to grow normally into the mouth) cause recurrent infections of the gum (pericoronitis), and may be removed when other conservative treatments have failed (cleaning, antibiotics and operculectomy).
Autotransplantation of teeth can be considered in the following circumstances: Movement of impacted or severely ectopic teeth to their correct position if conventional surgical exposure and orthodontics is not appropriate. Management of congenitally absent teeth in one arch with crowding present in the other arch.
The lower wisdom tooth is the last tooth to erupt into the mouth, and is, therefore, more frequently impacted, or stuck, against the other teeth. This leaves the tooth partially erupted into the mouth, and there frequently is a flap of gum (an operculum), overlying the tooth.