| Summary: | Correction of tooth rotation is one the first steps in Begg�s orthodontic
technique, friction between archwire and bracket occurs when rotated tooth is being
corrected, rotating spring is used to correct the rotated teeth. The purpose of this
study was to determine: a. the difference of the amount of rotating force between hand
made and fabricated rotating springs, counter-clockwise and clockwise rotating
springs, which diameter are 0.012, 0.014, and 0.016 inch. b. interaction between
factors which are hand made and fabricated (in the way theyare made) and the
direction of the rotating spring whether they are clockwise or counter-clockwise
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