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Effect Of Pad Design And Bracket Manufacturing Method On Bracket Bond Strength, Dustin Osborne
Effect Of Pad Design And Bracket Manufacturing Method On Bracket Bond Strength, Dustin Osborne
Graduate Theses, Dissertations, and Problem Reports
Objective: The objective is to determine if there is a significant difference in shear bond strength and debonding characteristics between one-piece metal brackets made by metal injection molding (MIM) and multi-piece metal brackets made by machining then soldering/brazing with differing pad designs. Methods: A total of thirteen metal orthodontic brackets manufactured by 8 different companies were divided into two groups: one-piece MIM and multi-piece brackets. Each group consisted of 10 brackets for a total of 130 brackets. Brackets were bonded to stainless steel tubes with a universal bonding technique. Samples were tested on the universal Instron testing machine to measure …