<![CDATA[Abstract Objective: The purpose is to correct canine class II division 1 subdivision by extraction premolar unilateral. Case Description: A 22-years-old female came to the Hasanuddin University Dental Hospital Orthodontic Clinic with complaints about her crowded teeth and protrusion. Figure 1 showed pre-treatment photograph of extra and intraoral. On extraoral examination, patient had a convex profile, competent lips, and no TMJ abnormalities. On intraoral examination, patient had positive curve of spee, crowded teeth, midline of upper arch shifted 1 mm to the left and deep palate. The patient was treated with 0.022-in Standard Edgewise prescription bracket with extraction right upper premolar. After 36 months of treatment, canine right relationship become Class I, the midline of upper and lower in one line, overjet 3 mm and overbite 1.5 mm. Conclusion: The canine Class I relationship can be achieved by extraction unilateral premolar. The patient’s occlusion and smile aesthetics were significantly improved with normal and stable occlusion between maxillary and mandibular arch.]]>
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