Phencyclidine (PCP) was originally developed as an anesthetic, but the adverse side effects prevented its use except as a large animal tranquilizer. PCP acts as both a depress â¦ ant and a hallucinogen,and sometimes as a stimulant. It is abused primarily for its variety of mood-altering effects.
1 An inlay- As the name suggests, this restoration sits inside the tooth.  An onlay- In contrast is bonded on top of the tooth, replacing some or all of the cusps of the tooth.
The art of filigree inlay, also called âfine gold art,â combines two craft skills. One is filigree, which includes such techniques as nipping, plaiting, jointing, piling, filling, and knitting, and uses gold or silver threads of different weights.