Resorption is broadly classified as either internal or external, depending on whether it is initiated outside the tooth or from the pulpal cavity within it. It involves a complex interaction between various types of specialised body cells such as inflammatory cells, resorbing cells, cytokines and enzymes, and the hard dental tissue.

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Reassessment: external resorption confirmed by a 3-D scan. Tooth was recommended for removal and an implant was placed. Figure 4 Example No. 2. This is another case of what could easily be misdiagnosed as internal resorption on tooth #No. 24. If you look closely in Figure 7, the outline of the canal can be seen.

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. External root resorption is a pathological process, which tends to occur following a wide range of mechanical or chemical stimuli such as infection, pressure, trauma or orthodontic tooth movement. Although it is predominantly detected by radiography, in some cases root resorption may be identified by clinical symptoms such as pain, swelling and mobility of the tooth. 2017-11-28 · affected root in cases of external resorption.17 There were no reports of recurrence of external cervical resorption in teeth with pulp vitality, with the prognosis being favorable in such cases.14 Regarding external tooth resorption by substitution, the prognosis is unfavorable and External cervical resorption typically presents as an asymmetrical radiolucency with irregular borders (Figure 4). The outline of the root canal is visible through the lesion indicating the resorption is on the external aspect of the tooth.

External resorption teeth

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It can be difficult to distinguish between the two types of tooth breakdown as they might have similar symptoms. This paper aims at exposing the foundations or reasons why, in cases of external tooth resorption, including those of orthodontic origin, one should not perform a root canal to treat it. That should be done only to teeth with contamination or pulp necrosis, to remove the periapical inflammation induced by microbial products. In addition, these radiographs may reveal the side of the affected root in cases of external resorption. 17 There were no reports of recurrence of external cervical resorption in teeth with pulp vitality, with the prognosis being favorable in such cases. 14 Regarding external tooth resorption by substitution, the prognosis is unfavorable and will inevitably lead to loss of the affected tooth Pericanalar resorption-resistant sheet is the name given to the material that forms around the pulp of teeth that have external invasive cervical resorption.

The effects of external (cervical) resorption (ECR), which you seem to be describing, occur near the gum line at the cervical (“neck-like”) region of a tooth. In its early stages, this condition may produce pink spots where the enamel is undermined and filled with the pinkish cells that do the damage. In time, these spots progress to cavity-like areas. Resorption (breakdown) and deposition (adding to) are normal processes by which the body maintains balance.

In time, these spots progress to cavity-like areas. Resorption (breakdown) and deposition (adding to) are normal processes by which the body maintains balance.

External resorption teeth

Root resorption is defined as the breakdown or destruction, and subsequent loss, of the root structure of a tooth which is caused by cells attacking part of

External resorption teeth

Root resorption or 'shortening of the roots'  28 Nov 2016 Bone resorption, also known as bone loss, is a natural process that can occur when a tooth is lost. If multiple teeth are lost, and not replaced  22 Jul 2011 Frequently external resorption is idiopathic; however it can also occur due to an inflammatory process, neoplasm or adjacent teeth.

External resorption teeth

Article Google Scholar 14. Frank A L, Blakland Root resorption may occur after various injuries, including mechanical, chemical, or thermal injury. Generally, it can be classified as internal or external root resorption. This review concerns only the internal root resorption (IRR) on permanent tooth, focusing on therapeutic options depending on the diagnosis. External resorption refers to an attack of the root’s external edges, slowly dissolving it, and weakening the tooth base.
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External resorption teeth

•. Root-filled teeth had less external apical root resorption (EARR) than the  24 Sep 2018 Root resorption: high incidence after replantation of avulsed teeth Around 16% of traumatic injuries in the permanent dentition include avulsed  26 Oct 2020 The authors discussed the various therapeutic options including the orthograde or retrograde fillings of the root canal resorption area.

There are two types of resorption — internal and external. External cervical resorption is a localised resorptive lesion in the cervical area of the tooth, below the epithelial attachment. This rarely involves the pulp. Prolonged insult leads to vertical and horizontal growth of the lesion.
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Feb 7, 2017 In the past, treatment for resorptive lesions in cats has included fluoride treatment for early lesions, and restoration or restoration with root canal 

It can be difficult to distinguish between the two types of tooth breakdown as they might have similar symptoms. Unlabelled: Resorption of teeth is reviewed from a diagnostic perspective to clarify the confusion as to whether it is external or internal. The key features of the various types (external surface Pericanalar resorption-resistant sheet is the name given to the material that forms around the pulp of teeth that have external invasive cervical resorption. The PRRS forms as a protective measure against the resorption and it consists of predentin, dentin, and eventually reparative (bonelike) tissue apposition.


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Root resorption may occur after various injuries, including mechanical, chemical, or thermal injury. Generally, it can be classified as internal or external root resorption. This review concerns only the internal root resorption (IRR) on permanent tooth, focusing on therapeutic options depending on the diagnosis.

Many times, a person first notices that external resorption is occurring when his tooth becomes loose and wobbly. This type of tooth 2017-11-28 · affected root in cases of external resorption.17 There were no reports of recurrence of external cervical resorption in teeth with pulp vitality, with the prognosis being favorable in such cases.14 Regarding external tooth resorption by substitution, the prognosis is unfavorable and 2018-07-26 · External Resorption.