Angel Dust is also known as PCP. It is known as a Hallucinogen, but has the effects of a stimulant, an anesthetic, or a narcotic pain-killer, depending on the amount taken.
They are generally made of porcelain or gold. A dental inlay is a prosthesis made of a solid substance and cemented into a cavity inside a tooth. A dental onlay is similar to an inlay, except that onlays lay on or over a cusp, which is a portion of the toothâs surface.
Onlay Restorations, 3/4 Crowns & Crowns. Often patients will ask what is an onlay and how does an onlay differ from a crown. Both a crown and. an onlay are indicated when there is extensive tooth loss or to hold together cracked or thin tooth. structure.