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Fig. 2 | BMC Oral Health

Fig. 2

From: The comparison of biomechanical effects of the conventional and bone-borne palatal expanders on late adolescence with unilateral cleft palate: a 3-dimensional finite element analysis

Fig. 2

Evaluating landmarks: A1, points of the most anterior region of palate and alveolar in cleft and non-cleft sides; A3, points of the most posterior region of palate in cleft and non-cleft sides; A2, the middle points of A1-A3 line on the palatal ridge in cleft and non-cleft sides; B1–B4, the buccal tips of the first and second pre-molars, and the mesiobuccal tips of the first and second molars in cleft and non-cleft sides; C, superior rim of medial pterygoid plate; D, inferior rim of medial pterygoid plate; E, superior rim of lateral pterygoid plate; F, inferior rim of lateral pterygoid plate; G, maxillary tuberosity; H, maxillary anterior border; I, inferior orbital rim of maxilla J, frontal process of maxilla; K, anterior nasal spine; L, superior rim of nasal cavity M, inferior rim of nasal cavity; N, frontal process of zygomatic bone; O, temporal process of zygomatic bone; P, maxillary process of zygomatic bone

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