Next in this mini-series I would like to discuss the “orthopedic” aspect of orthodontics, which entails growth modification. There are three dimensions that we will discuss: the transverse dimension of growth; this is the “width” dimension or x-axis when looking at your face straight-on. Next will discuss the vertical dimension of growth, or y-axis. Lastly, we will address the anteroposterior dimension; this is the growth direction from looking from a profile stance or the z-