[Tianjin plans to purchase all-ceramic dental crowns] on April 15, the website of Tianjin Pharmaceutical Purchasing Center recently issued a "notice on carrying out price-limited net procurement of dental crown medical consumables." it is proposed to carry out price-limited net procurement of medical supplies for oral dental crowns. The medical institutions that reported the demand for oral implants in Tianjin should participate, and those medical institutions that have not reported should be encouraged to follow up in time and participate actively. The product range is all-ceramic crown products for single dental implant. The first 15 places of the classification code of medical consumables are C07060114405001, made of zirconia, including white zirconium and colored zirconium (including monochromatic zirconium and layered zirconium). The special price limit period of oral and dental crown medical consumables is one year, and the starting time is calculated from the date of the actual implementation of the results.