Wang H, et al. - A sum of 119 patients were studied to quantify the anatomical characteristics of zygoma in ectodermal dysplasia (ED) cases from 2016 to 2018. They measured the thickness of the zygomatic body at 12 points on the superior, middle, and inferior areas and the length of 4 lines on a 3-dimensional cone beam computed tomography image. They noted smaller zygomatic thickness and length in ED candidates as compared to normal individuals. The largest thicknesses on the superior, middle and inferior areas of the zygoma for ED cases were 8.47 ± 1.49, 7.03 ± 1.56, and 5.99 ± 1.22 mm. They remarked inadequate development of zygomatic thickness on the inferior area with insufficient zygomatic length in ED cases with oligodontia. Along with it, zygomatic hypoplasia displayed complexities for the "quad approach" to zygomatic implants in such subjects.