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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: Effective contribution ratio of the molar during sequential distalization using clear aligners and micro-implant anchorage: a finite element study

Fig. 1

Model figures. Two group sets including six submodels were constructed. Group set I was created to simulate the initial distalization of the 2nd molar, whereas Group set II was built to model the initial distalization of the 1st molar after the 2nd molar had been distalized by 2 mm. Models A1 and A2 were control models simulating upper-molar distalization with clear aligners, and no anchorage reinforcement was used. Models B1 and B2 represent the upper-molar distalization combining transparent aligners with microimplants via buttons. Models C1 and C2 were designed to simulate upper-molar distalization using clear aligners in combination with microimplants attached by precision cuts

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