PMC3867880_01
Initial panoramic radiography: retention of the upper right second premolar and upper right canine with increased pericoronal space, vertical impaction, and root dilaceration; root resorption of primary teeth; opacity of the right maxillary sinus.
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fig1
The right maxillary sinus showed opacity (Figures 1 and 2(a)).
CT axial images showing opacity of the right maxillary sinus in the diagnostic phase (a); maxillary sinus cleared after 3 months of treatment (b).
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fig2
The right maxillary sinus showed opacity (Figures 1 and 2(a)). At the time, no signs of sinus infection in imaging exams were observed (Figure 2(b)).
Right maxillary canine with large dilaceration root and orthodontic appliance for orthodontic traction.
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fig3
This behavior was determined because of the apical dilaceration in the canine's root (Figure 3).
Final panoramic radiography: upper right canine positioned in the dental arch showing reduced root length.
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fig4
The orthodontist could move the canine to a better position after the surgery and the upper canine retained was repositioned after five months of orthodontic movement (Figure 4).