Impact of Clear Aligner Attachment Size on Tooth Movement
Effect of Clear Aligner Attachment Size on Extrusion of Maxillary Lateral Incisors
This study tests how different sizes of attachments on clear aligners can help move teeth better during orthodontic treatment for people using Invisalign.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 40 (estimated) |
| Ages | 12 Years and up |
| Sex | All |
| Sponsor | Virginia Commonwealth University Academic / other |
| Locations | 1 site (Richmond, Virginia) |
| Trial ID | NCT06814262 on ClinicalTrials.gov |
What this trial studies
This study investigates how different sizes of attachments used with clear aligners affect the extrusion of maxillary lateral incisors during orthodontic treatment. It aims to determine the most effective attachment size to optimize tooth movement and improve overall treatment outcomes. By comparing various attachment designs, the study seeks to provide evidence-based guidance for clinicians in selecting the best options for their patients. Participants will be treated with either Comprehensive Invisalign or Invisalign Teen, with specific inclusion criteria to ensure appropriate candidates.
Who should consider this trial
Good fit: Ideal candidates include patients aged 12 and older undergoing Comprehensive Invisalign or Invisalign Teen treatment with specific criteria regarding tooth positioning and compliance.
Not a fit: Patients who have not completed their aligners as prescribed or have significant issues with compliance may not benefit from this study.
Why it matters
Potential benefit: If successful, this study could enhance the effectiveness of clear aligner treatments, leading to better orthodontic outcomes for patients.
How similar studies have performed: While there has been limited in vivo research on this topic, the study aims to fill a gap in the literature regarding attachment design effectiveness in clear aligner therapy.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients treated with either Comprehensive Invisalign or Invisalign Teen treatment * The maxillary arch has less than 6 mm of crowding or spacing * Maxillary lateral incisors have a minimum of 0.3 mm of extrusion prescribed in the Tooth Movement Table on the Invisalign ClinCheck for the first set of aligners * Maxillary lateral incisors within a normal range of bucco-lingual inclination * Patients 12 years of age or older and either the patient or legal guardian are able to give consent * Patients confirm good compliance throughout the study period Exclusion Criteria: * Patients do not complete all aligners in the first phase as prescribed * Poor compliance recorded for aligner wear * Restorations placed or oral surgery completed prior to final scan * Midcourse intervention to improve tracking such as a bootstrap * Maxillary lateral incisors not tracking and noted by minimum of 1 mm of aligner material incisally displaced when aligner fully seated * Treatment plans include surgery or extractions * Maxillary lateral incisors with pathology and restorations * Missing teeth other than third molars * Patients with anterior crossbite
Where this trial is running
Richmond, Virginia
- Virginia Commonwealth University — Richmond, Virginia, United States (Recruiting)
Study contacts
- Principal investigator: Steven Lindauer — Virginia Commonwealth University
- Study coordinator: Alexis Catalano
- Email: catalanoam2@vcu.edu
- Phone: (202) 560-0496
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.