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Resorption of the root of the tooth, or root resorption, is the progressive loss of dentin and cementum by the action of odontoclasts. [4] Root resorption is a normal physiological process that occurs in the exfoliation of the primary dentition .
Periradicular surgery should be very considered where previous endodontic treatment has failed, and possible re-root treatment is the preferred option. [4] If re-root treatment is not possible, will not correct the problem or patient factors prevent it, periradicular surgery is indicated.
Resorption is the absorption of cells or tissue into the circulatory system, usually by osteoclasts. [1] Types of resorption include: Bone resorption;
Internal root resorption may be an indication of pulpal necrosis though it is not possible to diagnose accurately with radiographic presentation of this alone. This is because the pulp tissue apical to the resorptive lesion will still be vital to allow active resorption to take place, it provides the clastic cells with nutrients via a viable ...
Ankylosis of deciduous teeth may rarely occur. The most commonly affected tooth is the mandibular (lower) second deciduous molar. Partial root resorption first occurs and then the tooth fuses to the bone. This prevents normal exfoliation of the deciduous tooth and typically causes impaction of the permanent successor tooth.
Another risk of orthodontic treatment that can lead to an increase in mobility is root resorption. The risk of this is thought to be greater if the following factors are present: Radiographic evidence of previous root resorption; Roots of short length prior to orthodontic treatment; Previous trauma to the tooth
Maxillary ectopic canines can result in the resorption of central incisors in 15% of cases, and lateral incisors in 34% of cases. [11] Resorption is common, especially amongst females with enlarged dental follicles. [12] Although thought to be rare, there could also be cystic changes occurring in the crown of the ectopic canine. Hence if not ...
Bisphosphonate molecules then attach to and enter osteoclasts where they disrupt intracellular enzymatic functions needed for bone resorption. [38] There are two classes of bisphosphonate compounds: non-nitrogenous (no nitrogen in R 2) and nitrogenous (R 2 contains nitrogen). The two types of bisphosphonates work differently in inhibiting ...