Choice Dental Laboratory is owned and operated by John Koizol, who holds degrees in dental technology and metallurgy. Services. It manufactures crowns, bridges, implants, veneers, inlays and dentures and its own patented Zirtanium implant abutment, comprised of titanium and zirconium. Free pick-up and delivery are provided and the firm also offers four continuing education classes each year, sponsored by major manufacturers such as Dentsply.