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.
1 They help to strengthen teeth by up to 75 percent, unlike traditional metal fillings which can actually reduce the strength of the teeth by up to 50 percent.  Inlays and onlays prolong tooth life and prevent the need for more dental treatment in the future.