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Progress in Orthodontics
Fig. 2 | Progress in Orthodontics

Fig. 2

From: Quantitative analysis of the relationship between maxillary incisors and the incisive canal by cone-beam computed tomography in an adult Japanese population

Fig. 2

Definitions of linear and angular measurements in the midsagittal plane. a PP palatal plane; L length of the incisive canal; θ1 and θ2 angles between the palatal plane and axes of the maxillary alveolar border and incisive canal, respectively. b θ3 angle between the palatal plane and axis of the maxillary left central incisor

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