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Tooth ankylosis refers to a fusion between a tooth and underlying bony support tissues. In some species, this is a normal process that occurs during the formation or maintenance of the dentition. [1] By contrast, in humans tooth ankylosis is pathological, whereby a fusion between alveolar bone and the cementum of a tooth occurs.
External replacement root resorption (ERRR) occurs due to replacement of the root surface with bone, i.e. ankylosis. ERRR can be further categorized as transient or progressive depending on the extent of periodontal ligament damage with the latter resulting in complete root resorption. [16]
Once this process starts, it is irreversible, and the tooth will eventually fall out. In growing children, this can cause bone development problems because the replacement resorption (also termed ankylosis) attaches the tooth firmly to the jawbone and stops normal tooth eruption and impedes normal jaw growth. [citation needed]
Replacement osseous resorption otherwise known as "Ankylosis" of replanted teeth occurs when the root has been stripped of its periodontal membrane, when osteoclasts originating from the surrounding alveolar bone and subsequently osteoblasts, reach the root surface after crossing the damaged periodontal ligament (PDL) and precementum [16 ...
Ankylosis usually occurs in primary molars; however, it can also take place in other primary teeth, as well as secondary dentition. Ankylosis is common in the anterior tooth after trauma and can be referred to as replacement resorption. In this process PDL cells are destroyed and as a result the cells of the alveolar bone will perform most of ...
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Staffing cuts at the World Trade Center Health Program were restored Friday, Feb. 21, after a bipartisan rally in support of the program that provides healthcare and monitoring for 9/11 responders ...
External resorption can be classified into four categories by its clinical and histologic manifestations: external surface resorption, external inflammatory root resorption, replacement resorption, and ankylosis.