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Root canal treatment (also known as endodontic therapy, endodontic treatment, or root canal therapy) is a treatment sequence for the infected pulp of a tooth that is intended to result in the elimination of infection and the protection of the decontaminated tooth from future microbial invasion.
After endodontic therapy has been executed, or re-executed, successfully, and the canals can no longer provide a nutrient-rich habitat for microbes, [31] the issue of bone healing comes into focus. Ostensibly, then, for regeneration to occur, the root canal system must have been decontaminated and further access to microbial invasion must be ...
A root canal is the naturally occurring anatomic space within the root of a tooth.It consists of the pulp chamber (within the coronal part of the tooth), the main canal(s), and more intricate anatomical branches that may connect the root canals to each other or to the surface of the root.
The filling promotes cementum and bone formation, [21] [22] blocks bacteria, and is a barrier for the root canal. Inflammation of the periradicular site due to bacteria could cause recovery to deteriorate and induce periradicular infection. [22] Careful evaluation of root canal filling material is required to optimise healing after the procedure.
Root development allows the increase of the resistance to fracture and improve the tooth survival rate. [46] The tertiary therapeutic goal of regenerative endodontic procedures is return of pulp vitality. Regenerative endodontic procedures suggests that free nerve endings of the root end are guided into the canal by specific chemical signals.
Internal resorption is defined by the loss of intraradicular dentin and tubular dentin from within the middle and apical thirds of the root canal(s). It may also present as an incidental, radiographic finding. Radiographically, a radiolucent area of uniform density within the root canal may be visible with well-defined borders.
The post on the left is a tapered post, the one on the right is a parallel post. In post and core fabrication, it is desirable that the post descend at least two-thirds of the length of root canal (or not less than the height of the crown) in order to provide sufficient retention.
Limited studies indicate a 100% recovery rate in coronectomy patients, whereas only 66% of patients undergoing extraction recover within one month. 62.2% of the roots will migrate post-coronectomy, erupting away from the inferior alveolar canal. This makes extraction of the remaining roots safer. [3]
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