PMC3170074_01
Inicial models. Lateral and frontal vision. The high abrasive wear of primary teeth and the delayed eruption of permanent incisors can be seen.
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fig1
Impressions were made with a silicone material to obtain a working model (Figure 1) and two acrylic resin appliances were made (Figures 2 and 3) under N2O sedation.
Frontal vision after the adaptation of stainless steel crowns, showing the eruption of the permanent incisors.
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fig2
Impressions were made with a silicone material to obtain a working model (Figure 1) and two acrylic resin appliances were made (Figures 2 and 3) under N2O sedation.
Models used to make the oral appliances before being cemented on the patients primary molars.
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fig3
Impressions were made with a silicone material to obtain a working model (Figure 1) and two acrylic resin appliances were made (Figures 2 and 3) under N2O sedation.
One-year-review: the crowns of permanent central incisors can be seen.
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fig4
Six months later, the eruption of permanent central incisors of both jaws could be noted and at the one year (Figure 4) review the crowns of these teeth were more exposed.