Method for manufacturing dental post for installation of dental crown, involves applying specific voltage to metal post immersed in anodizing bath, and maintaining post in bath until colored oxide layer of preset thickness is deposited

摘要

The method involves immersing a metal post in an aqueous anodizing bath filled with acid, where the bath is maintained at constant temperature, and the acid is one of hydrochloric acid and/or nitric acid and/or sulfuric acid. Voltage of about 5-90 volts with a low current density is applied to the metal post immersed in the bath, and the metal post is maintained in the bath until a colored oxide layer of predetermined thickness is deposited, where the metal post is positioned in an enclosure rotated around a horizontal axis, prior to immersion of the metal post in the bath. An independent claim is also included for a dental post.