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The importance of knowledge and the benefits of interdisciplinary treatment.
Orthodontics (Chic.). 2011 Winter;12(4):285-6.
3
Accuracy of cone-beam computed tomography at different resolutions assessed on the bony covering of the mandibular anterior teeth.锥形束计算机断层扫描在评估下颌前牙骨覆盖物方面的不同分辨率的准确性。
Am J Orthod Dentofacial Orthop. 2012 Jan;141(1):41-50. doi: 10.1016/j.ajodo.2011.06.034.
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Accuracy and reliability of buccal bone height and thickness measurements from cone-beam computed tomography imaging.颊骨高度和厚度的锥形束计算机断层扫描影像测量的准确性和可靠性。
Am J Orthod Dentofacial Orthop. 2011 Nov;140(5):734-44. doi: 10.1016/j.ajodo.2011.06.021.
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Dehiscence and fenestration in patients with Class I and Class II Division 1 malocclusion assessed with cone-beam computed tomography.采用锥形束计算机断层扫描评估 I 类和 II 类 1 分类错（牙合）患者的裂隙和窗型。
Am J Orthod Dentofacial Orthop. 2010 Aug;138(2):133.e1-7; discussion 133-5. doi: 10.1016/j.ajodo.2010.02.021.
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Considerations in the use of cone-beam computed tomography for buccal bone measurements.考虑使用锥形束计算机断层扫描进行颊骨测量。
Am J Orthod Dentofacial Orthop. 2010 Apr;137(4 Suppl):S130-5. doi: 10.1016/j.ajodo.2010.01.015.
7
Upper incisor position and bony support in untreated patients as seen on CBCT.在CBCT上观察到的未经治疗患者的上颌切牙位置和骨支持情况。
Angle Orthod. 2009 Jul;79(4):692-702. doi: 10.2319/081908-437.1.
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Image distortion and spatial resolution of a commercially available cone-beam computed tomography machine.一款商用锥形束计算机断层扫描机的图像畸变与空间分辨率
Am J Orthod Dentofacial Orthop. 2008 Oct;134(4):573-82. doi: 10.1016/j.ajodo.2007.11.025.
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Spatial relationships between the mandibular central incisor and associated alveolar bone in adults with mandibular prognathism.下颌前突成人下颌中切牙与相关牙槽骨之间的空间关系。
Angle Orthod. 2007 Sep;77(5):766-72. doi: 10.2319/072906-309.
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Accuracy of measurements of mandibular anatomy in cone beam computed tomography images.锥形束计算机断层扫描图像中下颌骨解剖结构测量的准确性。
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骨组织量与上颌切牙倾斜度相关。

Bone tissue amount related to upper incisors inclination.

作者信息

Nahás-Scocate Ana Carla Raphaelli, de Siqueira Brandão Aluana, Patel Mayara Paim, Lipiec-Ximenez Michel Eli, Chilvarquer Israel, do Valle-Corotti Karyna Martins

机构信息

a  Associate Professor of Orthodontics, School of Dentistry, University of São Paulo City, São Paulo, Brazil.

出版信息

Angle Orthod. 2014 Mar;84(2):279-85. doi: 10.2319/031213-211.1. Epub 2013 Jul 24.

DOI:10.2319/031213-211.1
PMID:23883305
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8673802/
Abstract

OBJECTIVE

To evaluate the amount of buccal and lingual supporting bone tissue of 60 upper central incisors and the relationship with their inclination.

MATERIALS AND METHODS

Thirty healthy adult patients with no previous orthodontic treatment were evaluated using cone-beam computed tomography. Cross-sectional views were analyzed to check the amount of the bone tissue on the cervical (cervical buccal thickness/CBT; lingual/CLT), middle (middle buccal thickness/MBT; lingual/MLT), and apical regions (apical buccal thickness/ABT; lingual/ALT). The Pearson correlation, linear regression, and analysis of variance tests were used (P < .05).

RESULTS

The values of ABT of both teeth (11, right upper central incisor; 21, left upper central incisor) were significantly increased with the increase in the angle between the axis of the upper central incisor and the palatal plane (1/PP) (tooth 11 P  =  .034; tooth 21 P  =  .009), yet without a strong linear correlation. At the buccal and lingual surfaces, the mean apical supporting bone tissue was significantly greater than the other areas, and the middle region significantly greater than the cervical (P < .001).

CONCLUSIONS

For both surfaces (buccal and lingual), the amount of bone tissue in the apical region was significantly higher than the middle and cervical regions, and the middle region was significantly higher than the cervical region. In relation to the upper central incisor's inclination, the higher the 1/PP the higher was ABT. However, the coefficient values for both teeth were low.

摘要

目的

评估60颗上颌中切牙颊侧和舌侧支持骨组织的量及其与倾斜度的关系。

材料与方法

使用锥形束计算机断层扫描对30例未经正畸治疗的健康成年患者进行评估。分析横断面视图，以检查颈部（颈部颊侧厚度/CBT；舌侧/CLT）、中部（中部颊侧厚度/MBT；舌侧/MLT）和根尖区（根尖颊侧厚度/ABT；舌侧/ALT）的骨组织量。采用Pearson相关性分析、线性回归分析和方差分析检验（P < 0.05）。

结果

两颗牙齿（11，右上颌中切牙；21，左上颌中切牙）的ABT值均随上颌中切牙轴线与腭平面（1/PP）夹角的增加而显著增加（牙齿11，P = 0.034；牙齿21，P = 0.009），但线性相关性不强。在颊侧和舌侧表面，平均根尖支持骨组织明显大于其他区域，中部区域明显大于颈部（P < 0.001）。

结论

对于颊侧和舌侧两个表面，根尖区的骨组织量明显高于中部和颈部区域，中部区域明显高于颈部区域。关于上颌中切牙的倾斜度，1/PP越高，ABT越高。然而，两颗牙齿的系数值都很低。