PMC3776552_01
Clinical aspects in centric position. (a) Right side, (b) frontal view, (c) left side.
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fig1
The patient, JBC, a girl of 4 years and 5 months of age, arrived in search of treatment and showed a functional unilateral posterior crossbite on the left side (Figure 1), no caries lesions, normal soft tissues, and completed deciduous dentition.
Oclusal view with carbon print and selective wears. (a) Superior oclusal view, (b) inferior oclusal view, (c) selective wears on superior teeth, and (d) selective wears o inferior teeth.
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fig2
A diamond bur number 3053 with a wheel form was used for high rotation with irrigation (Figure 2). 
Clinical aspects after oclusal adjusts. (a) Right side, (b) front view, and (c) left side.
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fig3
Confection of Planas Direct Tracks. (a) Photopolymerization of resin. (b) Front view after confection of Planas Direct Tracks centralizing the median line.
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fig4
The standard procedure was followed using compost resin, conditioning with phosphoric acid at 37% for a duration of 30 seconds, washing and drying, and applying of adhesive and photopolymerized composite resin (Figure 4).
Clinical aspects after six months of treatment. (a) right side, (b) front view and (c) left side.
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fig5