Tanga watarisa divi rekugadzira, pane kungoerekana waita dambudziko re "bur". Gadzirisa ma "parameters" zvichibva pa "crown morphology": ma "parameters" madiki e "crown" isina kudzika ine "convergence angle" hombe, ma "parameters" makuru e "crown" refu ine "convergence angle" diki, uye wedzera huwandu hwemazino e "abutment" huchikwira.
Kana paine matambudziko ane chekuita nekupisa-kristaro, tarisa zvakananga kune mutengesi wezvinhu zvacho kuti aone kuti zvinhu zvinoenderana nezvinodiwa.