Question: is this a 2) strong advice, 1) weak advice 0) no advice?

Several more studies had been carried out on the lower arch rather than on the upper arch to find out the prevalence of arch forms, especially in different malocclusion groups19-26 because, usually, in normal-occlusion cases, the upper arch form will follow the lower arch form, and the lower arch is considered the reference for which arch wires to be used in each patient. 
user
This is no advice
assistant