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Fig. 5 | Progress in Orthodontics

Fig. 5

From: Posterior teeth angulation in non-extraction and extraction treatment of anterior open-bite patients

Fig. 5

Interpremolar and intermolar angulations measurements. (1) Mx4.Md4 (°)—long axis (apex to tip) of maxillary and mandibular 1st premolars; (2) Mx5.Md5 (°)—long axis (apex to tip) of maxillary and mandibular 2nd premolars; (3) Mx6.Md6 (°)—long axis (furcation to center of the crown) of maxillary and mandibular 1st molars; (4) Mx7.Md7 (°)—long axis (furcation to center of the crown) of maxillary and mandibular 2nd molars

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