[The characteristics of the action of spring extending arches in removable orthodontic apparatus on the basis of mathematical analysis].
D001696:Biomechanical Phenomena; D006801:Humans; D008433:Mathematics; D009967:Orthodontic Appliances
Kharakteristika deĭstviia pruzhiniashchikh rasshiriaiushchikh dug v s"emnykh ortodonticheskikh apparatakh na osnovanii matematicheskogo analiza.