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Figure 5 | BioMedical Engineering OnLine

Figure 5

From: Evaluation of mechanical properties of three different screws for rapid maxillary expansion

Figure 5

Technical characteristics of the expanders. The orientation of the arms to the body of the screw: the arms are parallel to the screw guides on both the A2620 (A) and the Hyrax (B) expanders, while they are orthogonal to the screw body in the Palatal Split Screw (C), where the greater length of the arms gives less rigidity to the device. All tested screws presented the arms laser-welded at the body.

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