Comparing two ways to move upper teeth backward with tiny screws
Part of Mouth & dental clinical trials.
This trial compares two methods (sliding jigs vs retraction hooks) to move your upper teeth backward using small screws placed in your jawbone. It may help if you have a mild overbite or crowded upper teeth and want to avoid removing teeth.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be an adult over 14 years old with all your permanent teeth (except wisdom teeth) fully grown in.
- Your upper back teeth should be positioned too far forward compared to your lower back teeth (Class II bite).
- You should have slight to moderate crowding in your upper teeth (less than 5 mm) and your upper teeth stick out.
- You should not have any conditions of the face or skull (like cleft palate) and no gum disease.
- You must not need any teeth removed (except wisdom teeth), and you should not have had braces before.
- You should not have a vertical growth pattern (excessive open bite) or any side-to-side jaw issues.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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