Figure 1

Clustering of maxillary dental arch form age ages 12, 15, and 18 years. 3D view of maxillary dental arch clustering at age 12 years; (b) 2D view of maxillary dental arch clustering at age 12 years; (c) 3D view of maxillary dental arch clustering at age 15 years; (d) 2D view of maxillary dental arch clustering at age 15 years; (e) 3D view of maxillary dental arch clustering at age 18 years; (f) 2D view of maxillary dental arch clustering at age 18 years.