What are Inlays and Onlays
Inlays and onlays are lab fabricated fillings. The old filling is removed, an impression is made and then the inlays or onlays are made in the lab. The inlays or onlays are then fitted at a later appointment.
An inlay sits inside the cusps of the tooth (inside the hollow in the tooth). An onlay sits on the cusps of the tooth (on top of the tooth). Inlays and onlays are made from porcelain, white composites or gold. They can be colour matched to your existing teeth. They are stronger than normal fillings and normally last much longer.
Thanks for the description. I understand what they are now.