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Cephalometric landmarks, measurements, and reference planes. (1) AFHp. (2) BFHp. (3) ssFHp. (4) siFHp. (5) SNA. (6) SNB. (7) ANB. (8) IIA. (9) IMPA. (10) U1SN. (11) SN-Go-Gn. (12) TUIFHp. (13) AUIFHp. (14) TLIFHp. (15) ALIFHp. (16) lsFHp. (17) liFHp.
