Jan 19
Biomechanics of clear aligners describes how controlled forces, attachments, and biological response guide predictable, safe tooth movement
Biomechanics of clear aligners explains how controlled mechanical forces guide teeth into planned positions. Aligner trays apply gentle, consistent pressure that interacts with the periodontal ligament and jawbone. Attachments improve grip and allow precise movements such as rotation, translation, intrusion, and extrusion. Tooth movement occurs through a biological process where bone is resorbed on the pressure side and rebuilt on the tension side. Predictable outcomes depend on accurate force levels, material properties, and steady wear over time.