Ezali na mitindo ndenge na ndenge ya baplakɛ ya kokangama, oyo mokomoko na yango ezali na makambo na yango oyo ekeseni na oyo ya bato mosusu mpe ndenge oyo basalelaka yango. Ba types mosusu oyo emonanaka mingi ezali ba plaques ya blocage droit, Ba plaques ya blocage courbe, ba plaques ya blocage ya plaque T, ba plaques ya blocage ya plaque L, Ba plaques ya blocage Distal, Ba plaques ya blocage proximale etc.