pISSN 2234-7518
eISSN 2005-372X

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Fig. 1. A, An example of facemask with miniplate (FM-MP) therapy. B, Reference lines. The horizontal reference plane (HRP) passes the Sella (S) at an angle of 7 degree clockwise to the Sella-Nasion (SN) plane. The vertical reference plane (VRP) is perpendicular to the HRP passing through the S. A-VRP is the horizontal distance from the VRP to A point.
Korean J Orthod 2020;50:238~248 https://doi.org/10.4041/kjod.2020.50.4.238
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