US Patent Issued on Nov. 3 for "Preparation tray for improved etching and bonding of a tooth surface prior to the placement of a tooth attachment or a bracket" (Arizona Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,718, issued on Nov. 3.

"Preparation tray for improved etching and bonding of a tooth surface prior to the placement of a tooth attachment or a bracket" was invented by Carl J. Metz (Scottsdale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved preparation method uses an additional preparation tray as part of a multi-step tray alignment system which achieves orthodontic tooth movement. The preparation tray incorporates openings in the tray for the application of a bonding preparation fluid, such as an etching agent, or alternately, an etching and bonding agent, in the correct location and amount. The openings are at least the size and s...