Vertical elastics: 1/8 inch, 3.5 oz,3/16 inch, 6 oz (heavy) Triangle elastics: ď Ž Aid in the improvement of class I cupid inter cuspation and increasing the overbite relationship anteriorly by closing open bites in the range of 0.5 to 1.5mm. ď Ž They extend from the upper cuspid to the lower cuspid and first bicuspid teeth. www.indiandentalacademy.com