Treatment of class III malocclusion
◆Purpose
This study compared results of cephalometric and model analyses before treatment,at appliance removal and 1 to 2 years after treatment in patients with crossbites treated with rapid palatal expanders (RPEs) and maxillary protractors for improvement of overjet and overbite relationship in the early mixed dentition.
Treatment Model of
Class III Malocclusions
Class III Symposium
Early Treatment
Case : 1
Chief Complaint : Reversed Bite
Age & SEX : 10y1m, Femail
Diagnosis : Angle class III
Treatment : Initial phase(Mandi bular retraction with chin-cup)
Final phase(edgewise system)
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Case : 2
Chief Complaint : Reversed Bite
Age & SEX : 9y6m, Mail
Diagnosis : Angle class III
Treatment : Initial phase(Mandi bular retraction with chin-cup)
Final phase(edgewise system)
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Initial
Case : 1
Age : 10y1m, Female
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Case : 2
Age : 9y6m, Male
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Initial Intraoral photograph
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Initial Cephalometric
Case : 1
Age : 10y1m, Female
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Case : 2
Age : 9y6m, Male
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10～13 years later
Case : 1
Age : 19y7m, Female
3years After Retention
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Case : 2
Age : 18y0m, Male
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Case : 1
Age : 22y7m, Female
6years After Retention
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Case : 2
Age : 22y8m
According to the Re-Diagnosis:Pre-Operative Treatment was started for Orthognathic Surgery
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