A dental inlay is placed in the center area of the tooth. A dental onlay is placed on the inside and outside areas, or points, of a tooth. Dental inlays and onlays are also called indirect fillings or partial crowns. They are a less aggressive and usually less expensive treatment option than full crowns.
predetermination - the act of determining or ordaining in advance what is to take place. determination, finding - the act of determining the properties of something, usually by research or calculation; the determination of molecular structures.
Preimplantation genetic diagnosis. Pre-implantation genetic diagnosis (PGD or PIGD) refers to genetic profiling of embryos prior to implantation (as a form of embryo profiling), and sometimes even of oocytes prior to fertilization. PGD is considered in a similar fashion to prenatal diagnosis.