One Visit Crowns (CEREC Crowns) Why its better than traditional crowns (PFM) :  Same Hardness as Tooth – CEREC crowns wear the same as your natural teeth structure and will not abrade the opposing teeth. – Same Coefficient of Thermal Expansion — CEREC restorations expand and contract the same amount as the tooth structure to which it is bonded and … Continue reading Crowns (cerec)