2012
DOI: 10.14295/bds.2011.v14i1/2.708
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Friction generated by elastomeric ligature with and without polymer coating

Abstract: O objetivo deste estudo foi comparar, in vitro, o atrito gerado por ligaduras elásticas com cobertura polimérica com ligaduras convencionais. Foram testados três calibres de fio: 0.020", 0.019" x 0.025" and 0.019" x 0.026 ". Foram confeccionadas duas placas de acrílico, onde emu ma placa foi colado um bráquete de incisivo central superior e na outra placa foi feito uma canaleta onde os fios ortodônticos eram fixados. As placas de acrílico foram fixadas e reguladas em uma máquina de ensaio de tração de maneira … Show more

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Cited by 1 publication
(2 citation statements)
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“…Furthermore, it should be considered that RS can be both of the static and dynamic types and respective evaluation methods based on peak forces 22 30 or displacements 22 30 should be used to discriminate between the two. Simple averages of the data as performed in some studies 31 32 33 34 or unclear attribution of the values to either static or dynamic friction 16 21 25 28 35 36 37 38 39 40 41 42 43 44 may lead to oversimplifications.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, it should be considered that RS can be both of the static and dynamic types and respective evaluation methods based on peak forces 22 30 or displacements 22 30 should be used to discriminate between the two. Simple averages of the data as performed in some studies 31 32 33 34 or unclear attribution of the values to either static or dynamic friction 16 21 25 28 35 36 37 38 39 40 41 42 43 44 may lead to oversimplifications.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, although positional details of the slot were reported by some authors, their relevance was lost if the previously described reference position was not determined. 16 21 22 23 24 25 26 27 28 31 34 35 37 38 45 47 48 Despite the slot height being commonly reported (88%), a single parameter cannot represent the complex three-dimensional (3D) interaction between the bracket and wire. 21 In fact, not only the slot height but also the slot width and depth determine the onset of the critical contact angles in the respective planes.…”
Section: Discussionmentioning
confidence: 99%