Evaluation of Growth and Development of Late Mixed Dentition Upper Dental Arch with Normal Occlusion Using 3-Dimensional Digital Models

Figure 2

(a) Illustration of plane 2, plane 3, and ∠1. Plane 2: sagittal plane (blue); plane 3: established by o, p, and q points (yellow); and ∠1: angle of buccolingual inclination, established by plane 2 and plane 3. (b) Illustration of plane 4, plane 5, and ∠2. Plane 4: coronal plane (blue); plane 5: established by r, s, and d points; ∠2: angle of mesiodistal inclination, established by plane 4 and plane 5.

(a)

(b)