Figure 3 | Scientific Reports

Figure 3

From: Radiographical characteristics and traction duration of impacted maxillary canine requiring surgical exposure and orthodontic traction: a cross-sectional study

Figure 3

Angular measurements using panoramic radiography. Angular measurements using panoramic radiography. The occlusal plane is defined as the plane which connects the mesiobuccal cusp of the maxillary first molar and the mid-point of incisal edge of the maxillary central incisor. The midline is defined as the line which connects the proximal contact of the maxillary central incisors and anterior nasal spine. (a) 3^OP. The angle between the long axis of the canine and the occlusal plane. (b) 3^ML. The angle between the long axis of the canine and the midline.

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