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Influence of Attachment Bonding Protocol on Precision of the Attachment in Aligner Treatments by Julia Weckmann; Sven Scharf; Isabelle Graf; Jörg Schwarze; Ludger Keilig; Christoph Bourauel; Bert Braumann is a Dentistry article available to read on EtoBox.

What is Influence of Attachment Bonding Protocol on Precision of the Attachment in Aligner Treatments about?

## Aim: Precise bonding of attachments in aligner treatment is crucial to achieve the intended tooth movement. thus, we evaluated five different bonding protocols for attachments used in aligner treatments with the goal of identifying the most precise protocol. ## Methods: One ellipsoid and one rectangular attachment were exemplarily chosen and examined. all attachments were bonded using the same template aligner, which was produced by thermoforming. the bonding process was repeated 30 times with each protocol for statistical analysis. the protocols differed in the type of composite used (high viscous, low viscous), the additional application of a perforation in the attachment reservoir, and the use of a two-phase procedure with high viscous composite. all bonded attachments were laser scanned and compared to the attachments of a master model using a surface/surface matching algorithm to determine the precision, i.e., highest aberrations (maximum vertical distance) between the attachment of the master and results obtained from the various bonding protocols. furthermore, the excessive amounts of composite bonded around the attachments were measured and compared. ## Results: The two-

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Author

Julia Weckmann; Sven Scharf; Isabelle Graf; Jörg Schwarze; Ludger Keilig; Christoph Bourauel; Bert Braumann

Publisher

Springer Science and Business Media LLC

Published

2019

Language

EN

Field

Dentistry (Health Sciences)