Universidade Federal de Juiz de Fora, Faculdade de Odontologia, Departamento de Ortodontia (Juiz de Fora/MG, Brazil).
Universidade Federal de Juiz de Fora, Faculdade de Odontologia (Juiz de Fora/MG, Brazil).
Dental Press J Orthod. 2024 Oct 7;29(5):e242460. doi: 10.1590/2177-6709.29.5.e242460.oar. eCollection 2024.
The use of arch models is essential in diagnosis and planning in orthodontics. The demand for digital and printed models has increased among professionals.
The aim of the study was to assess the agreement of horizontal and vertical linear measurements obtained from digital models, printed models, and direct measurements.
Intraoral scans of 30 individuals were obtained. Digital measurements were performed using the STL files. From printed models, the measurements were done using a digital caliper, and the real measurements were done directly to the mouth of respective patients.
The one-sample t test showed no discrepancy between the paired sets of measurements, with the value of 0 (p>0.05). The evaluation of the measurements was done using Bland-Altman analysis in pairs. The three methods showed agreement in horizontal and vertical measurements. Linear regression analyses showed no proportional bias in the data (p>0.05).
The horizontal and vertical measurements evaluated showed agreement when measured on digital models, printed models and directly in the individuals' mouths.
在正畸诊断和计划中，使用牙弓模型至关重要。专业人士对数字模型和打印模型的需求有所增加。
本研究旨在评估从数字模型、打印模型和直接测量中获得的水平和垂直线性测量值的一致性。
对 30 名个体进行了口腔内扫描。使用 STL 文件进行数字测量。从打印模型中，使用数字卡尺进行测量，并且直接对患者的口腔进行实际测量。
单样本 t 检验显示配对测量值之间没有差异，值为 0（p>0.05）。通过配对 Bland-Altman 分析对测量值进行了评估。三种方法在水平和垂直测量上均显示出一致性。线性回归分析显示数据中没有比例偏差（p>0.05）。
当在数字模型、打印模型和个体口腔中直接测量时，评估的水平和垂直测量值显示出一致性。
