To measure the palatal vault in buccal area,which may be helpful to make preadjustment of palatal bar.
研究正畸病人后牙段弓形态规律,为成杠制作提供理论基础。
To measure the palatal vault in buccal area,which may be helpful to make preadjustment of palatal bar.
研究正畸病人后牙段弓形态规律,为成杠制作提供理论基础。
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