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首页> 外文期刊>Dental and Medical Problems >Volumetric upper airway changes following a new technique for Surgically-Assisted Maxillary Expansion (SAME)
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Volumetric upper airway changes following a new technique for Surgically-Assisted Maxillary Expansion (SAME)

机译：上呼吸道容积变化是采用一种新的外科辅助上颌骨扩张术（SAME）

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Background . Skeletal maxillary constriction (SMC) is one of the common skeletal discrepancies which are associated with alterations in the respiratory function. Today, many surgical techniques are used to expand the maxilla in adult patients with no consensus about the optimal technique. Objectives . The present study aimed to investigate the changes of the upper airway volume resulting from the use of a new, minimally invasive surgically-assisted maxillary expansion (SAME) technique, and compare the results with the conventional SAME technique. Material and Methods . A prospective study was conducted between September 2015 and July 2018. A total of 28 adult patients (11 males, 17 females; mean age: 19.1 ±2.7 years) with SMC underwent SAME. The sample was divided according to the applied surgical technique into 2 groups: the conventional osteotomy SAME (CO?SAME) group consisted of 13 patients (18.7 ±2.2 years) and the selective osteotomy SAME (SO-SAME) group consisted of 15 patients (19.4 ±3.2 years). Cone beam computed tomography (CBCT) scans were initially obtained preoperatively (T1) and 3 months post expansion (T2). The upper airway was divided into 2 segments: retropalatal and retroglossal. The volume of each segment and the total airway volume (TAV) were assessed using the OnDemand3D? software. Results . The total upper airway volume showed a significant increase after both CO?SAME and SO-SAME (1.29 ±0.26 cc and 1.21 ±0.19 cc, respectively), with significant increases in retropalatal and retroglossal airway volumes (RPAV and RGAV) after both CO?SAME and SO-SAME (RPAV – 0.73 ±0.10 cc and 0.83 ±0.10 cc, and RGAV – 0.56 ±0.23 cc and 0.38 ±0.23 cc, respectively). No significant differences were observed in the maxillary width (MW), TAV or RGAV between the 2 SAME techniques, whereas the increase in RPAV in the SO-SAME group was significantly greater than that of the CO?SAME group. Conclusion . The new, minimally invasive SAME technique was an effective procedure to increase MW and the upper airway volume.
机译：背景 。上颌骨收缩（SMC）是常见的骨骼差异之一，与呼吸功能改变有关。如今，在对最佳技术尚无共识的情况下，许多外科手术技术被用于扩大成年患者的上颌骨。目标。本研究旨在调查使用新的，微创手术辅助上颌骨扩张术（SAME）技术导致的上呼吸道容积的变化，并将结果与​​常规SAME技术进行比较。材料与方法 。在2015年9月至2018年7月之间进行了一项前瞻性研究。共有28例SMC的成年患者（男11例，女17例;平均年龄：19.1±2.7岁）接受了SAME治疗。根据所应用的手术技术将样本分为2组：常规截骨SAME（CO？SAME）组由13例患者（18.7±2.2岁）组成，选择性截骨SAME（SO-SAME）组由15例患者（ 19.4±3.2年）。锥束计算机断层扫描（CBCT）扫描最初是在术前（T1）和扩张后3个月（T2）获得的。上呼吸道分为两部分：pal后和舌后。使用OnDemand3D评估每个部分的体积和气道总体积（TAV）。软件。结果。 CO？SAME和SO-SAME合并后，上呼吸道总体积显着增加（分别为1.29±0.26 cc和1.21±0.19 cc），CO2和Same合并后pal后和舌后气道体积（RPAV和RGAV）显着增加。相同和相同（RPAV – 0.73±0.10 cc和0.83±0.10 cc，以及RGAV – 0.56±0.23 cc和0.38±0.23 cc）。两种SAME技术之间在上颌宽度（MW），TAV或RGAV上没有观察到显着差异，而SO-SAME组的RPAV的增加显着大于CO？SAME组。结论。新的微创SAME技术是增加兆瓦数和上呼吸道容积的有效方法。

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