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Comparing tooth movement efficacy and self-reported discomfort between two patterns of activation time per stage using Invisalign clear aligner: a randomized controlled trial

Comparing tooth movement efficacy and self-reported discomfort between two patterns of activation time per stage using Invisalign clear aligner: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IOR-15007532
Enrollment
Unknown
Registered
2015-11-17
Start date
2015-12-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

malocclusion

Interventions

10d-change,14d-change:aligner activation time

Sponsors

West China Hospital of Stomatology of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Invisalign treatment; 2. permanent dentition; 3. extraction and non-extraction cases; 4. no missing permanent teeth except third molars; 5. adequate oral hygiene; 6. with informed consent; 7. one of the following OTMs were required: 1) incisor torque >10 degree; 2) premolar derotation >10 degree; 3) molar distalization>1.5mm; 4) incisor retraction >1mm.

Exclusion criteria

Exclusion criteria: 1. severe peridontal diseases; 2. medical contraindications; 3. presence of systemic diseases syndromes and cleft clip and/or palate.

Design outcomes

Primary

MeasureTime frame
efficacy of OTMs;VAS;—

Countries

China

Contacts

Public ContactLai Wenli
wenlilai@hotmail.com+86 13678093116

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 10, 2026