PMC5426150_01
(a-e) The study models of the patient showing different views of the dental arches, dental occlusion, and different positions and rotations of the teeth within the dental arches
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F1
Figure 1 shows the study models, clearly illustrating the dental arch shape and the dental occlusion together with the crowding of the teeth within the dental arches.
The panoramic radiograph (a) showing radiculomegaly of 43 with root dilacerations mesially, agenesis of second mandibular premolars, increased root length of maxillary canines, and impacted 38 and 48. The intraoral periapical radiograph 43 (b) shows the radiculomegaly of the 43, increased root curvature mesially, increased size of the root canal, and the notching of the root apex of 44 mesially
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F2
Radiographic examination of the panoramic radiograph taken [Figure 2a] revealed a mesially rotated lower right permanent canine (43), with a prominent mesial root dilacerations, enlarged pulp chamber, and root canal and radiculomegaly of the lower right permanent canine (43) extending close to the lower border of the mandible. The intraoral periapical radiograph [Figure 2b] that had also been taken of the lower right permanent canine (43) showed an elongated root with a crown to root ratio of more than 1:4, increased size of root canal of lower right permanent canine (43), dilaceration, and radiculomegaly.