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Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
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Clear Aligner Extraction Treatment with Caterpillar Motion Staging: Biomechanical Rationale, Clinical Protocol, and
David Martinez-Lozano1, Carlos Rivero-Mourelle2, Alberto-José López-Jiménez1,3,4
1Department of Orthodontics and Dentofacial Orthopedics, Institución Mississippi University Center, 28010 Madrid, Spain.
Dentistry Journal
|April 27, 2026
Summary
The Caterpillar Motion protocol offers a new strategy for clear aligner therapy in extraction cases. This method improves sagittal control and anchorage, addressing common challenges in orthodontic tooth movement.
Area of Science:
- Orthodontics
- Biomaterials Science
- Dental Mechanics
Background:
- Closing extraction spaces with clear aligners presents biomechanical challenges.
- Difficulties include sagittal control, torque expression, and anchorage.
- Existing retraction strategies lack formal definition for protocols like Caterpillar Motion.
