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Forces produced by auxiliary torquing springs in the Begg technique
1Department of Children's Dentistry and Orthodontics, University of Birmingham Dental School, St Chad's Queensway, Birmingham.
British Journal of Orthodontics
|August 1, 1991
Abstract:
Different designs of Begg torquing auxiliary have been tested to measure the forces produced at the apex of a tooth. Forces at the tooth surface ranged from 0.4 to 3.3 N, equivalent to 0.1-0.9 N at the root apex.