Figure 4From: Analysis of the characteristics of slot design affecting resistance to sliding during active archwire configurationsFrontal (A) and lateral (B) views of scanning electron micrograph (SEM) images of Damon bracket. Example of the measurements of slot design performed on Damon SL II bracket: upper width, uw; lower width, lw; upper depth, ud; lower depth, ld; and shape of the slot edges, se.Back to article page