posterior crowns. We have eliminated price variations due to crown size and gold market fluctuations by extending you flat rate pricing on all of our full-cast gold products. All yellow gold alloys used at Glidewell meet ADA specifications for either "noble gold" or "high noble gold," and exhibit a beautiful, rich color. Noble-Cast 45™, our newest and most cost-effective full-cast gold restoration, is fabricated in just four business days and returned to your office via Overnight Courier Service.