Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Mar 26, 2022; 10(9): 2710-2720
Published online Mar 26, 2022. doi: 10.12998/wjcc.v10.i9.2710
Figure 1
Figure 1 Study flowchart. A total of 180 patients with 211 submandibular stones were finally enrolled in this study and then randomly separated into training and testing sets at a ratio of 7:3. N: Number of stones; n: Number of patients; CBCT: Cone beam computed tomography.