Page 17 - orthodontic lecture reivew
P. 17

• We can simplify it as being the rotation tendency of a body.




     • It is usually illustrated by a curved arrow, which


         indicates the direction of the moment.





                                                                                                                                                     CR








                                                                                                                                                         distance

                                                                                                                                                                  10mm








                                                                                                   line of action



                                                                                                                                                                                  50 g
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