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首页> 外文期刊>The Angle orthodontist. >Optimal sites for orthodontic mini-implant placement assessed by cone beam computed tomography
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Optimal sites for orthodontic mini-implant placement assessed by cone beam computed tomography

机译：锥束计算机断层扫描评估正畸微型植入物的最佳位置

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Objectives: To determine (1) the optimal sites for mini-implant placement in the maxilla and the mandible based on dimensional mapping of the interradicular spaces and cortical bone thickness and (2) The effect of age and sex on the studied anatomic measurements. Material and Methods: The cone beam computed tomography images of 100 patients (46 males, 54 females) divided into two age groups (13–18?years), and (19–27?years) were used. The following interradicular measurements were performed: (1) Buccolingual bone thickness; (2) Mesiodistal spaces both buccally and palatally/lingually; and (3) Buccal and palatal/lingual cortical thicknesses. Results: In the maxilla, the highest buccolingual thickness existed between first and second molars; the highest mesiodistal buccal/palatal distances were between the second premolar and the first molar. The highest buccal cortical thickness was between the first and second premolars. The highest palatal cortical thickness was between central and lateral incisors. In the mandible, the highest buccolingual and buccal cortical thicknesses were between the first and second molars. The highest mesiodistal buccal distance was between the second premolar and the first molar. The highest mesiodistal lingual distance was between the first and second premolars. The highest lingual cortical thickness was between the canine and the first premolar. The males and the older age group had significantly higher buccolingual, buccal, and palatal cortical thicknesses at specific sites and levels in the maxilla and the mandible. Conclusions: A clinical guideline for optimal sites for mini-implant placement is suggested. Sex and age affected the anatomic measurements in certain areas in the maxilla and the mandible.
机译：目的：基于放射间隙和皮质骨厚度的尺寸图，确定（1）在上颌骨和下颌骨中植入微型植入物的最佳位置，以及（2）年龄和性别对所研究的解剖学测量的影响。材料和方法：使用100例患者（男46例，女54例）的锥形束计算机断层扫描图像，分为两个年龄段（13-18岁）和（19-27岁）。进行了以下放射间测量：（1）颊舌骨厚度; （2）颊和舌/舌的近中隔空间; （3）颊和pa /舌皮质厚度。结果：在上颌骨中，第一磨牙和第二磨牙之间的颊舌厚度最大。近中颌颊/ pal最大距离在第二前磨牙和第一磨牙之间。最高的颊皮质厚度在第一和第二前磨牙之间。最高lat皮质厚度在中切牙和侧切牙之间。在下颌骨中，颊舌和颊皮质的最大厚度在第一和第二磨牙之间。近中颊颊距离最大的是第二前磨牙和第一磨牙之间。近中生舌最高距离是在第一和第二前磨牙之间。最高舌舌皮层厚度在犬和第一个前磨牙之间。男性和老年组在上颌骨和下颌骨的特定部位和水平具有明显较高的颊舌，颊颊和thickness皮质厚度。结论：建议了最佳植入物位置的临床指南。性别和年龄影响上颌骨和下颌骨某些区域的解剖结构。

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