评估颧下嵴区域骨厚度以确定正畸微型钛板的放置位置：一项断层扫描研究。
Assessing bone thickness in the infrazygomatic crest area aiming the orthodontic miniplates positioning: a tomographic study.
作者信息
Santos Aline Rode, Castellucci Marcelo, Crusoé-Rebello Iêda Margarida, Sobral Márcio Costa
机构信息
Universidade Federal da Bahia, Departamento de Ortodontia (Salvador/BA, Brasil).
Universidade Federal da Bahia, Departamento de Radiologia Bucal (Salvador/BA, Brasil).
出版信息
Dental Press J Orthod. 2017 Jul-Aug;22(4):70-76. doi: 10.1590/2177-6709.22.4.070-076.oar.
INTRODUCTION
: Due to the increasing use of miniplates for anchorage purposes in orthodontics, it is very important to know more about infrazigomatic crest anatomy (thickness), in adult patients.
OBJECTIVES
: Evaluate the infrazygomatic crest region thickness, in adult (male and female) patients.
METHODS
: Cone-beam computerized tomography (CBCT) images from 40 patients were used to assess cross-sectional measurements of the infrazygomatic crest region. Measurement 1 considered thickness 2 mm above the distobuccal root of the permanent maxillary first molar, while measurement 2 was taken 2 mm above the first measurement.
RESULTS
: The mean thickness of the infrazygomatic crest in males was 3.55 mm for measurement 1 and 2.84 mm for measurement 2, while in females these were 2.37 mm and 2.24 mm, respectively.
CONCLUSION
: The authors concluded that the overall mean thickness of the infrazygomatic crest was 2.49 mm with respect to measurement 1, and 2.29 mm for measurement 2, with no statistically significant differences between gender.
引言
由于正畸治疗中微型钛板用于锚固的情况日益增多，对于成年患者而言，更深入了解颧下嵴的解剖结构（厚度）非常重要。
目的
评估成年（男性和女性）患者颧下嵴区域的厚度。
方法
使用40例患者的锥形束计算机断层扫描（CBCT）图像来评估颧下嵴区域的横断面测量值。测量1考虑在上颌第一恒磨牙远中颊根上方2毫米处的厚度，而测量2在第一次测量上方2毫米处进行。
结果
男性颧下嵴测量1的平均厚度为3.55毫米，测量2为2.84毫米，而女性分别为2.37毫米和2.24毫米。
结论
作者得出结论，颧下嵴的总体平均厚度测量1为2.49毫米，测量2为2.29毫米，性别之间无统计学显著差异。
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