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Experimental model. Black dots show MOP areas.
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fig1
MOPs were applied distal to the canines (Figure 1) and before canine distalization using mini-screws of 8 mm length and 1.5 mm diameter (Orlus, Henry Schein Orthodontics); each perforation was 1.5 mm wide and 5 mm deep (Figure 2).
Application of MOP with mini-screw.
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fig2
MOPs were applied distal to the canines (Figure 1) and before canine distalization using mini-screws of 8 mm length and 1.5 mm diameter (Orlus, Henry Schein Orthodontics); each perforation was 1.5 mm wide and 5 mm deep (Figure 2).
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3D superimposition of models.
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fig3
Before (T0) and after (T1) distalization, maxillary models were scanned in a 3shape R900 model scanner (3shape, Copenhagen, Denmark) (Figure 3).
Periapical radiographs at T1. (a) Control side; (b) MOP side.
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fig4
There is no root resorption for both upper canines (Figure 4).
Panoramic radiograph at T0.
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fig5
Additionally, there was no root resorption at T0 (Figure 5).