Uncertainty surrounds the need for lateral cephalometric radiographs in orthodontic treatment planning, according to a new study in the American Journal of Orthodontics & Dentofacial Orthopedics ...

While thyroid collars do mask some landmarks on lateral cephalograms, "these landmarks are mainly used for analysis of skeletal maturity index (SMI)," the researchers concluded. "It is therefore ...

The measurable quantity is the entrance surface air kerma/dose. The unit of entrance surface kerma is the gray (Gy), but in dental radiology the dose levels are usually a small fraction of one gray - ...

Since orthodontics was first introduced into China in the 1950s, it has experienced an early stage (from 1950s to late 1970s) and a rapidly developing later stage (1980s till now). 1 With recent ...