N/A
Completed N=73
Effect of Clear Aligner Attachment Design on Extrusion of Maxillary Lateral Incisors
Maxillary Lateral Incisor Malocclusion
Source: ClinicalTrials.gov NCT04968353 ↗
Enrolled (actual)
73
Serious AEs
0.0%
Results posted
Jun 2023
Primary outcomePrimary: Percent of Vertical Tooth Movement — 79; 78; 78; 62 percentage of predicted
Summary
The purpose of this research is to test which of four clear aligner attachment types is more efficient in extruding (erupting) maxillary lateral incisors vertically into correct position during orthodontic treatment.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Percent of Vertical Tooth Movement |
79; 78; 78; 62 | — |
Eligibility Criteria
Inclusion Criteria
- Patients 16 years or older to be treated with either Comprehensive Invisalign or Invisalign Teen,
- Maxillary lateral incisor requiring 0.3 mm or more extrusion (as determined by ClinCheck),
- Maxillary arch with less than 6 mm of crowding or spacing,
- All teeth present and fully erupted (excluding third molars).
Exclusion Criteria
- Presence of anterior crossbite
- Any missing teeth in the maxillary arch
- Treatment plan includes surgery or extraction of any maxillary teeth,
- Maxillary lateral incisors with pathology or large restorations (crowns)
- Maxillary lateral incisors have a less than 0.3 mm of extrusion prescribed in the Tooth Movement Table on the Invisalign ClinCheck
Data sourced from ClinicalTrials.gov (NCT04968353). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.