Fig. 3

a) Using an upper left (shorter and fatter) for a lower right crown (longer and thinner) when there has been space loss on a lower first molar due to caries. b) Using the crown crimping pliers in reverse to flatten the bulbosity of the crown to manage reduced space requirements. 'HS Pliers No 114 Johnson Contouring'. c) Reducing the anterio-posterior length by applying pressure to the crown between the beaks of the crown crimping pliers