reciprocal force

reciprocal force

a force applied by an orthodontic anchorage in which the resistance of one or more teeth and their adnexa is used to move one or more opposing teeth and their adnexa.
References in periodicals archive ?
But wouldn't it be ironic if it was Labour's traditional trade union allies, the reciprocal forces to Thatcher's gin 'n' tonic brigade, who sounded the Last Post for Blair?