2018
DOI: 10.1631/jzus.b1700195
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A biomechanical case study on the optimal orthodontic force on the maxillary canine tooth based on finite element analysis

Abstract: Excessive forces may cause root resorption and insufficient forces would introduce no effect in orthodontics. The objective of this study was to investigate the optimal orthodontic forces on a maxillary canine, using hydrostatic stress and logarithmic strain of the periodontal ligament (PDL) as indicators. Finite element models of a maxillary canine and surrounding tissues were developed. Distal translation/tipping forces, labial translation/tipping forces, and extrusion forces ranging from 0 to 300 g (100 g=0… Show more

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Cited by 62 publications
(133 citation statements)
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References 28 publications
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“…To extrude one tooth, 38 to 40 g (ie, 0.38 to 0.4 N) would be necessary to correct a high, buccally displaced canine. 33 However, it is not recommended to retain numerical values of in vitro experiments. 13 In addition, the values obtained were the conjunction of a vertical force applied and those due to the resistance to sliding.…”
Section: Study Limitationsmentioning
confidence: 99%
“…To extrude one tooth, 38 to 40 g (ie, 0.38 to 0.4 N) would be necessary to correct a high, buccally displaced canine. 33 However, it is not recommended to retain numerical values of in vitro experiments. 13 In addition, the values obtained were the conjunction of a vertical force applied and those due to the resistance to sliding.…”
Section: Study Limitationsmentioning
confidence: 99%
“…For clinical use a constant force is necessary to obtain an optimum orthodontic tooth movement ( 21 ). In order to achieve different tooth movements, such as tipping, translation and rotation, forces ranging up to 300g are required ( 22 ). From the point of this experiment compression forces of more than 300g were achieved, caused by varying heights of the spring design.…”
Section: Discussionmentioning
confidence: 99%
“…So it is reasonable to think that the bending of orthodontic archwire is not very accurate. 40,41 And the research was also approved by doctors at Peking University School of Stomatology. From the clinician’s point of view, the error of the prediction model is acceptable.…”
Section: Discussionmentioning
confidence: 99%