I need to my 2 front teeth out and replace 4 front as I already have 2 missing how much for to have bridgeing please

i need to my 2 front teeth out and replace 4 front as i already have 2 missing how much for to have bridgeing plzas idont want a plate I would rather have them bridged my 2 front teeth are lose but the 2 teeth by the side of them I haven't got anyway so I have 2 false there on a metal plate which prefer as the plate only go behind my teeth