Queirós Cíntia, Gonçalves Maria, Ferreira Sofia, de Castro Inês, Azevedo Rui M S, Pinho Teresa
Oral Pathology and Rehabilitation Research Unit (UNIPRO), University Institute of Health Science (IUCS), CESPU, 4585-116 Gandra, Portugal.
Associate Laboratory i4HB-Institute for Health and Bioeconomy, University Institute of Health Sciences-CESPU, 4585-116 Gandra, Portugal.
Dent J (Basel). 2024 Aug 20;12(8):269. doi: 10.3390/dj12080269.
Controlling root movement is one of the greatest challenges in orthodontic treatment with aligners, like Invisalign aligners. Cone Beam Computed Tomography (CBCT) integration into ClinCheck, enabling bone and root visualisation, allows a more accurate follow-up of the teeth position. This study aims to compare torque measurements of the upper central incisors with and without CBCT and relate them to the upper incisor inclination and facial biotype. In a sample of 70 teeth, torque measurements were obtained by importing images into AutoCAD software (version 2024). The angle between the tooth's long axis with CBCT duplicate and the tooth's long axis without CBCT was obtained to assess the difference. Statistically significant differences between torque measurements with and without CBCT were found, as well as between these measurements and the inclination of the upper incisors. No statistically significant differences were found among the facial biotypes. The average values of 27.8° ± 3.4° and 21.5° ± 3.2° were obtained for the angle between the axes. Torque without CBCT was lower than torque with CBCT, for the same tooth. The angle between the axes had a similar mean for both teeth. CBCT integration into ClinCheck allows for a more correct torque measurement.
控制牙根移动是使用隐形矫治器（如隐适美矫治器）进行正畸治疗时面临的最大挑战之一。将锥形束计算机断层扫描（CBCT）集成到ClinCheck中，实现骨骼和牙根可视化，有助于更准确地跟踪牙齿位置。本研究旨在比较有无CBCT时上颌中切牙的扭矩测量值，并将其与上颌切牙倾斜度和面部生物型相关联。在70颗牙齿的样本中，通过将图像导入AutoCAD软件（2024版）获得扭矩测量值。获取CBCT复制的牙齿长轴与无CBCT时牙齿长轴之间的角度，以评估差异。发现有无CBCT时扭矩测量值之间存在统计学显著差异，以及这些测量值与上颌切牙倾斜度之间也存在统计学显著差异。面部生物型之间未发现统计学显著差异。两轴之间角度的平均值分别为27.8°±3.4°和21.5°±3.2°。对于同一颗牙齿，无CBCT时的扭矩低于有CBCT时的扭矩。两颗牙齿两轴之间的角度平均值相似。将CBCT集成到ClinCheck中可实现更准确的扭矩测量。
