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Related Experiment Video

Updated: Jun 22, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

A pilot study comparing virtual treatment setups among clear aligner companies.

Vicente Telles¹, Claudia Trindade Mattos², Flavio Copello³

¹University of Maryland Baltimore, Dental School, Department of Orthodontics (Baltimore, USA).

Dental Press Journal of Orthodontics

|October 23, 2025

Summary

Clear aligner companies show variations in virtual treatment setups, impacting treatment planning. Differences were noted in aligner and attachment numbers, and canine relationships.

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Published on: November 21, 2025

Area of Science:

Orthodontics
Dental Technology

Background:

Clear aligner therapy is a popular orthodontic treatment.
Virtual treatment planning is crucial for predictable outcomes.

Purpose of the Study:

To compare virtual treatment setups from four clear aligner companies.
To assess how company-specific features influence treatment planning.

Main Methods:

Ten patient records were submitted to Invisalign®, ClearCorrect®, 3M™ Clarity™, and Spark™.
Standardized prescriptions ensured comparable treatment plans.
Evaluated aligner count, attachments, interproximal reduction, incisor movement, canine/molar relationships, and arch widths.

Main Results:

Significant differences observed in aligner count (p=0.003), attachment count (p<0.001), and final canine relationship (p=0.013).
ClearCorrect® used fewest aligners/attachments; 3M™ Clarity™ used most.
ClearCorrect® and Spark™ had planning deficiencies for Class I canine relationships.

Conclusions:

Each clear aligner company employs distinct virtual treatment planning strategies.
Variations exist in treatment approaches, affecting outcomes.