In the absence of hard dental tissue caused by caries, the tooth is filled with the so-called "white seals" in the tooth color. They are made directly in the office and with shape and color completely reconstruct the dental tissue.
There are ceramic fillings that are produced indirectly, i.e. in a dental lab and then placed in a tooth with permanent cement. Their advantage is durability and resistance to wear and tear, exceptional mechanical characteristics and high aesthetics. They are made of high-strength nonmetallic ceramics, computer designed and machine produced by advanced CAD CAM technology.
They are also called inlays, onlays and overlays.