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Progress in Orthodontics
Fig. 3 | Progress in Orthodontics

Fig. 3

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

Fig. 3

The force loading system. The pushing force produced by the CA varied from group set I to set II. When the upper 2nd molar was distalized, the CA produced a mesial reciprocal force on the anchorage teeth. When moving the 1st molar distally, the pushing force exerted a reciprocal force on the 2nd molars and other anchorage teeth. In model B, the elastic force was exerted on the CA, whereas in model C, it was applied directly on the upper canines by button

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