Abstract
It is believed that root canal treated tooth apex goes under more resorption than contralateral vital tooth during orthodontic movement. The concept is still contradictory and therefore the aim of this systematic review was to search the evidence regarding this issue. The clinical trials performed on human subjects with vital and contralateral root canal treated tooth were included in the study. The evidence was searched in PubMed, EMBASE, Medline, Cochrane and Scopus. No language barrier was imposed. From analysis it found that there was no difference in amount of root resorption between vital and contralateral tooth. But, degree of resorption was determined by the intensity of force applied, force application technique (continuous or interrupted), duration of force application and direction of force application. Form the above fact it can be concluded that root canal treated tooth can be moved equal distance as vital contralateral tooth.Orthodontic Journal of Nepal, Vol. 6 No. 1, June 2016, pp.41-44
Highlights
Root canal treatment is a procedure carried on the tooth with necrosed pulp
All teeth were measured from incisal edge to root apex in preand post-orthodontic treatment radiographs. 43 patients, incisors included for study
The objective of this review was to analyze the differences in apical root resorption between vital tooth and root canal treated tooth during orthodontic movement, to search the reason for resorption
Summary
Root canal treatment is a procedure carried on the tooth with necrosed pulp. The common reason of pulp necrosis is entry and colonization of bacteria in pulp chamber. The extension of bacteria and bacterial product from infected root canal to the surrounding periodontal ligament area causes apical periodontitis, and lesion forms after surrounding bone, dentinal hard tissue and periodontal attachment is resorbed. American Association of Endodontics describes resorption as the physiologic or pathologic loss of cementum and dentin from root.[1] Orthodontic force moves the teeth within the bone confinement. Resorption of root apex is common undesired outcome
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