Simulation of orthodontic tooth movement during activation of an innovative design of closing loop using the finite element method

•We simulated orthodontic tooth movement for correction of Class II Division 2 malocclusion. •A newly designed closing loop combined with a gable bend was studied. 5° produced lingual crown tipping the central incisor. 10° bodily incisor and distal first molar. 15° root Introduction Although many attempts have been made to study mechanical behavior loops, most limited analyses magnitude forces moments acting on end loop. The objectives this were simulate during activation investigate optimal condition achieve desired movement. Methods We constructed 3-dimensional model maxillary dentition reproducing state wherein looped archwire engaged in brackets tubes. Orthodontic movements both anterior posterior teeth while varying degree using finite element method. Results incorporation into bends movement, respectively, Conclusions Torque control anchorage can be carried out effectively simply by reducing half thickness teardrop height 10 mm 0.019 × 0.025-in cross-section, distance 3 from its apex, incorporating various degrees corresponding treatment plan.