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One Week Aligner Evaluation

One Week Aligner Evaluation

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02603289
Enrollment
287
Registered
2015-11-11
Start date
2015-09-30
Completion date
2020-08-31
Last updated
2020-10-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malocclusion

Brief summary

The purpose of this study is to demonstrate that changing aligners weekly provides similar results to changing aligners every two weeks.

Detailed description

The Invisalign® System consists of a series of clear plastic aligners that are intended to replace conventional wire and bracket technology for many orthodontic cases. Each custom manufactured aligner exerts gentle, continuous forces to move teeth incrementally from their original state to a final, treated state. The aligners are designed to optimally move each tooth at a speed that follows physiologic principles. The purpose of this study is to demonstrate that changing aligners weekly provides similar results to changing aligners every two weeks.

Interventions

Sponsors

Align Technology, Inc.
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
Yes

Inclusion criteria

* Subject must have fully erupted dentition except for 2nd and 3rd molars * For Teen treatment group, subjects ages \<17 years of age * For Adult treatment group, subjects ≥17 years of age

Exclusion criteria

* Subject has undergone any accelerated orthodontic treatment prior to or during treatment as part of this study * Subject with active caries * Subject with periodontal disease * Subject with TMD symptoms * Subject has known allergy to latex or plastic * Subjects who are pregnant or will become pregnant during treatment

Design outcomes

Primary

MeasureTime frameDescription
Planned to Final Tooth PositionThrough study completion, an average of 2 yearsTest vs Historical Control Group

Secondary

MeasureTime frameDescription
Treatment timeThrough study completion, an average of 2 yearsLength of treatment
Subject Quality of LifeThrough study completion, an average of 2 yearsAssessment of QoL

Countries

Canada, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026