RCT Comparing Invisalign and Traditional Orthodontic Treatment
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ClinicalTrials.gov Identifier: NCT04556448 |
Recruitment Status :
Completed
First Posted : September 21, 2020
Last Update Posted : September 21, 2020
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Malocclusion, Angle Class II | Other: Aligners Other: Clear braces | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 78 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | Randomized RCT |
Masking: | Double (Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomized Controlled Trial Comparing the Effectiveness of Invisalign and Traditional Orthodontic Treatments |
Actual Study Start Date : | January 1, 2013 |
Actual Primary Completion Date : | March 1, 2019 |
Actual Study Completion Date : | March 1, 2019 |
Arm | Intervention/treatment |
---|---|
Experimental: Aligners
Invisalign treatment
|
Other: Aligners
Clear aligners
Other Name: Invisalign |
Active Comparator: Traditional braces
Clear braces
|
Other: Clear braces
Clear braces |
- Occlusal changes [ Time Frame: up to 6 months ]Differences in occlusion between the two groups

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Ages Eligible for Study: | 17 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Class I molar and canine relationships
- Non-extraction treatments
- Mandibular crowding of 4 mm or less
- No missing tooth (from second to second molar)
Exclusion Criteria:
- Anterior or posterior crossbites
- Anterior or lateral open bites
- Maxillary overjet exceeding 3mm
- Impacted tooth

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04556448
United States, Texas | |
Texas A&M Baylor College of Dentisry | |
Dallas, Texas, United States, 75246 |
Principal Investigator: | Peter Buschang, PhD | TAMU Health Science Center |
Responsible Party: | Peter H. Buschang, Professor, Orthodontics, Texas A&M University |
ClinicalTrials.gov Identifier: | NCT04556448 |
Other Study ID Numbers: |
2012-21_COD_Ortho1 |
First Posted: | September 21, 2020 Key Record Dates |
Last Update Posted: | September 21, 2020 |
Last Verified: | September 2020 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Malocclusion Malocclusion, Angle Class II Overbite Tooth Diseases Stomatognathic Diseases |