2015
DOI: 10.1590/2176-9451.20.2.016-019.oin
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Orthodontic movement in deciduous teeth

Abstract: Deciduous teeth exfoliate as a result of apoptosis induced by cementoblasts, a process that reveals the mineralized portion of the root while attracting clasts. Root resorption in deciduous teeth is slow due to lack of mediators necessary to speed it up; however, it accelerates and spreads in one single direction whenever a permanent tooth pericoronal follicle, rich in epithelial growth factor (EGF), or other bone resorption mediators come near. The latter are responsible for bone resorption during eruption, a… Show more

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Cited by 6 publications
(3 citation statements)
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“…The present study aimed to assess the diagnostic ability of different methods in estimating future primary molar exfoliation used as anchoring teeth for maxillary expanders. The prognosis of anchoring primary tooth exfoliation during maxillary expansion depends not only on their length and shape, 10 but also on the magnitude and duration of mechanical forces applied to them by the expanders, 11,12 leading to faster root resorption and exfoliation 15 . However, active expansion with orthopaedic forces usually lasts approximately one month, and rarely exfoliation would occur during this phase.…”
Section: Discussionmentioning
confidence: 99%
“…The present study aimed to assess the diagnostic ability of different methods in estimating future primary molar exfoliation used as anchoring teeth for maxillary expanders. The prognosis of anchoring primary tooth exfoliation during maxillary expansion depends not only on their length and shape, 10 but also on the magnitude and duration of mechanical forces applied to them by the expanders, 11,12 leading to faster root resorption and exfoliation 15 . However, active expansion with orthopaedic forces usually lasts approximately one month, and rarely exfoliation would occur during this phase.…”
Section: Discussionmentioning
confidence: 99%
“…Orthodontic forces promote stress on periodontal ligaments, followed by accumulation of mediators and bone resorption on periodontal surface of the alveolar bone in permanent or deciduous teeth alike. 10 As all roots are at a risk for some resorption during orthodontic traction, there has been no direct comparison of orthodontic effects on root resorption between permanent and deciduous teeth. 11 In the present case, the retained deciduous mandibular second molars and maxillary canine showed little root resorption even after orthodontic treatment.…”
Section: Discussionmentioning
confidence: 99%
“…When orthodontic force is applied, root resorption may be caused by stress focused on the periodontal ligament. The mechanism is similar in permanent and primary teeth [17]. However, minimal data comparing root resorption between permanent and primary teeth are available [3]; thus, further research is needed.…”
Section: Casementioning
confidence: 99%