Tag: Orthodontic Screws

Active components of removable orthodontic appliance

Active components of removable orthodontic appliance Springs The force (F) delivered by a spring is expressed by the formula F adr4//3, where d is the deflection of the spring, r is the radius of the wire and / is the length of the spring. Radius and wire length, therefore, have most effect on wire stiffness. […]

December 22, 2011 | 0 Comments More
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