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首页> 外文期刊>Plastic and reconstructive surgery >Treatment outcomes of orthodontic treatment, corticotomy-assisted orthodontic treatment, and anterior segmental osteotomy for bimaxillary dentoalveolar protrusion.
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Treatment outcomes of orthodontic treatment, corticotomy-assisted orthodontic treatment, and anterior segmental osteotomy for bimaxillary dentoalveolar protrusion.

机译：正畸治疗，皮质切开术辅助正畸治疗和双节段牙槽骨突出的前节段截骨术的治疗结果。

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BACKGROUND: The purpose of this study was to compare treatment outcomes of orthodontic treatment, anterior segmental osteotomy, and corticotomy-assisted orthodontic treatment for resolution of bimaxillary dentoalveolar protrusion. METHODS: The samples consisted of 65 Korean adult female patients with bimaxillary dentoalveolar protrusion who had achieved a good treatment result and were divided into group 1 (orthodontic treatment), group 2 (corticotomy-assisted orthodontic treatment with skeletal anchorage in the maxilla and anterior segmental osteotomy in the mandible), or group 3 (anterior segmental osteotomy in the maxilla and mandible). The hard- and soft-tissue variables were measured from lateral cephalographic tracings at pretreatment and posttreatment stages. Statistic analyses were performed to compare differences in pretreatment and change from pretreatment to posttreatment. RESULTS: Group 3 showed the largest amount of basal bone retraction and the least amount of upper incisor inclination change and upper alveolar bone bending among the three groups. The amounts of change in the upper lip projection and angulation were greater in group 2 than in group 1. Group 3 showed a decrease of the upper incisal exposure, whereas group 1 showed an increase. Upper central incisor to Frankfurt horizontal plane, upper and lower alveolar ridge angle, Pog-N perpendicular, and anteroposterior discrepancy indicator were selected as significant variables for discriminating the three groups. CONCLUSIONS: The results of this study show that orthodontic treatment or corticotomy-assisted orthodontic treatment is indicated for those with severe incisor proclination with normal basal bone position, although corticotomy-assisted orthodontic treatment can be advantageous for adult patients concerned with treatment duration. Anterior segmental osteotomy is recommended for bimaxillary dentoalveolar protrusion patients with a gummy smile, basal bone prognathism, relatively normal incisor inclination, and relatively underdeveloped chin position.
机译：背景：本研究的目的是比较正畸治疗，前节截骨术和皮质切开辅助正畸治疗的治疗效果，以解决双上颌牙槽骨突出的问题。方法：样本包括65例取得了良好治疗效果的韩国成年女性双上颌牙槽骨突出症患者，分为第1组（正畸治疗），第2组（皮质切开辅助正畸治疗并在上颌骨进行骨骼锚固和前节段下颌骨截骨）或第3组（上颌骨和下颌骨前节节段截骨）。硬组织和软组织变量是在治疗前和治疗后阶段从侧面头颅描记图测得的。进行统计分析以比较预处理的差异以及从预处理到后期的变化。结果：第三组在三组中显示最大的基础骨收缩量，最小的上切牙倾斜度变化和上牙槽骨弯曲量。第2组的上唇投影和成角度的变化量大于第1组。第3组显示上切牙暴露减少，而第1组显示增加。选择上中切牙至法兰克福水平面，上下牙槽角，Pog-N垂直和前后差异指示符作为区分这三组的重要变量。结论：这项研究的结果表明，对于那些切牙倾向严重，基骨位置正常的患者，正畸治疗或皮质切开术正畸治疗均适用，尽管皮质切开术辅助正畸治疗对与治疗时间有关的成年患者可能是有利的。对于有上颌微笑，基骨预后，门牙倾斜度相对正常，下巴位置相对不发达的双上颌牙槽骨突出患者，建议进行前段截骨术。

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