%0 Journal Article %T Evaluaci¨®n de la fricci¨®n en arcos ortod¨®ncicos de acero inoxidable con y sin recubrimiento v¨ªtreo aplicado por el m¨¦todo Sol-Gel %A Valencia ¨¢lvarez %A Jos¨¦ A %A Montoya Goez %A Yesid %A Pel¨¢ez Vargas %A Alejandro %A Jaramillo Vallejo %A Pedro M %A Garc¨ªa %A Claudia Garc¨ªa %J Revista Facultad de Odontolog¨ªa Universidad de Antioquia %D 2009 %I Universidad de Antioquia %X introduction: the aim of this in vitro study was to compare the static and dynamic frictional force generated between surfaces of metallic brackets and glass coated applied by the sol-gel method, and non coated wires. methods: metallic brackets (0,018 x 0,025¡±), stainless steel wires (0,016 x 0,016¡±) and elastic ligatures were used in all frictional tests. all components were characterized using se m and optical microscopy. the frictional force was evaluated using a machine of tests testresources£¿ in dry environment. results: the results showed that the stainless steel wires without modification (control group) showed the lowest values of static friction force followed by the stainless steel wires group coated by sol-gel method and the wires group with thermic treatment (thermic group). for dynamic friction force, the sol-gel group showed the smallest values, followed by the control group and the thermal group. conclusions: the evaluated coating did not show a better frictional performance applied on stainless steel brackets in comparison with the control group. %K friction %K brackets %K steel wires %K coatings %K sol-gel. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0121-246X2009000100007&lng=en&nrm=iso&tlng=en