PMC3703680_01
(a) Pre-treatment extraoral frontal view, (b) Pre-treatment extraoral profile view, (c) Pre-treatment intraoral frontal view, (d) Pre-treatment orthopantomograph
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F1
The patient was in mixed dentition stage with permanent central incisors still in erupting stage [Figure 1c]. Orthpantomograph [Figure 1d] showed congenitally missing upper lateral incisors.
PMC3703680_02
(a) Pre-treatment extraoral frontal view, (b) Pre-treatment extraoral profile view, (c) Pre-treatment intraoral frontal view, (d) Pre-treatment orthopantomograph
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F1
The patient was in mixed dentition stage with permanent central incisors still in erupting stage [Figure 1c]. Orthpantomograph [Figure 1d] showed congenitally missing upper lateral incisors.
Phase I treatment with quad helix for maxillary expansion
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F2
Phase I of the treatment consisted of expansion of the maxillary arch to correct the posterior cross-bite [Figure 2].
0.016" Niti archwire ligated to prevent development of anterior crossbite
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F3
Maxillary central incisors and canines were bonded and 0.016 niti arch-wire was ligated to prevent an anterior cross-bite from developing [Figure 3].
(a) Status of the dentition 6 months post-surgery, (b) Functional regulator-3 appliance delivered to maintain the expansion (5 mm) and to promote unimpeded maxillary growth, (c) Extraoral frontal view 6 months post-functional regulator-3 appliance therapy, (d) Extraoral profile view post-functional regulator-3 appliance therapy
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F4
It was observed that the premaxilla had immobilized completely and the profile had improved esthetically to a considerable extent [Figures 4c and 4d].
PMC3703680_03
(a) Status of the dentition 6 months post-surgery, (b) Functional regulator-3 appliance delivered to maintain the expansion (5 mm) and to promote unimpeded maxillary growth, (c) Extraoral frontal view 6 months post-functional regulator-3 appliance therapy, (d) Extraoral profile view post-functional regulator-3 appliance therapy
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F4
It was observed that the premaxilla had immobilized completely and the profile had improved esthetically to a considerable extent [Figures 4c and 4d].