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KMID : 1149720230130020093
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Clinical Journal of Korean association of Orthodontists
2023 Volume.13 No. 2 p.93 ~ p.100
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Orthodontic Treatment Using MARPE and Mini-Implants in a Patient with Skeletal Class I Malocclusion, Anterior Open Bite, and Maxillary Transverse Deficiency
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Lee See-Yoon
Jo Heon
Choi Sung-Hwan
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Abstract
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This case report describes a successful orthodontic treatment with maxillary expansion by using miniscrew-assisted rapid palatal expander (MARPE) and molar intrusion with mini-implants. A 22-year-old woman had an anterior open bite. It was a big complaint that she couldn’t chew with her anterior teeth. After maxillary expansion, active maxillary molar intrusion was performed for bite closure. Due to anterior spacing and edge bite, space closure was done by using mini-implants, though she had a prominent chin. The total treatment period was 28 months. Active molar intrusion can guarantee bite closure, stable anterior overbite, and occlusion in skeletal Class I patients. However, the clinician must beware of the counter-clockwise rotation of the mandible and following facial change
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KEYWORD
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Anterior open bite, MARPE, Mini-implant, Maxillary transverse Deficiency, Skeletal Class I
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