PFM crown and bridge (Porcelain fused to metal) For the doctors who don't trust all ceramic works, the porcelain fused to metal crowns have remained a trusted restoration option. At Fotis dental laboratoryoratory, all works are made with excellent materials. PFM : Argen alloy, Ivoclar porcelain . Turnaround time: one weekIf you are considering outsourcing your works or looking for a good and reliable China dental supplier (China dental lab), please don't hesitate to contact us.