Clear aligner attachments, which play a pivotal role in biomechanical control and predictability of tooth movements. In this presentation I will talk about attachments, focusing on their biomechanical principles, rules for selection and placement, and strategies to enhance predictability of treatment outcomes. In the format of, when to place attachments, which one to use for different movements, which one suite that type of movement, how to place, one or multiple attachments, attachments or pressure areas or both of them.

Biomechanics in clear aligner therapy are governed by the design and placement of attachments, which serve to apply precise forces to teeth. Understanding these biomechanics rules will help us to accurately select the proper attachment shape and the proper placement technique which will help us to achieve predictable tooth movements and so successful clear aligner treatments.

The predictability of clear aligner movements varies across different types of malocclusions and treatment complexities. This presentation will explore factors influencing predictability and discuss strategies to increase the reliability of treatment outcomes. Techniques such as digital treatment planning, proper staging techniques, overcorrection, optimized attachment protocols, and integrating auxillaries (buttons and elastics, miniscrews, power arms, minitubes) in to enhance predictability and achieving superior clinical results.

This knowledge empowers clinicians to optimize treatment planning, improve biomechanical outcomes, and elevate the predictability of clear aligner therapy, thereby advancing patient care and satisfaction in orthodontic practice.