case_images: PMC5849376_01
case_images: Intraoral view with prolonged retention of left superior deciduous canine
  and greenish pigmentation of teeth.
case_images: 0103-0582-rpp-2018-36-1-00012-gf1.jpg
case_images: PMC5849376_01_0103-0582-rpp-2018-36-1-00012-gf1.jpg
case_images: f4
case_images: Mixed dentures with greenish pigmentation in dental elements, as well as dental biofilm and prolonged retention of the left superior deciduous canine were observed upon intraoral examination (Figure 1).
case_images: Frontal three-dimensional image.
case_images: 0103-0582-rpp-2018-36-1-00012-gf2.jpg
case_images: PMC5849376_01_0103-0582-rpp-2018-36-1-00012-gf2.jpg
case_images: f5
case_images: CT scan showed prolonged retention of the left superior deciduous canine (Figure 2) in frontal three-dimensional view, and sagittal sections showed peripheral hyperdense images of maxillary sinus (Figure 3).
case_images: (A) Sagittal view showing peripheral dystrophic calcification of maxillary
  sinus; (B) Sagittal view showing peripheral dystrophic calcification of
  maxillary sinus and onset of new calcification areas in its center; (C)
  Panoramic view showing dystrophic calcifications of maxillary sinus.
case_images: 0103-0582-rpp-2018-36-1-00012-gf3.jpg
case_images: PMC5849376_01_0103-0582-rpp-2018-36-1-00012-gf3.jpg
case_images: f6
case_images: CT scan showed prolonged retention of the left superior deciduous canine (Figure 2) in frontal three-dimensional view, and sagittal sections showed peripheral hyperdense images of maxillary sinus (Figure 3). Upon panoramic examination, peripheral dystrophic calcifications of maxillary sinus were seen (Figure 3).