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Enamel loss following ceramic bracket debonding: A quantitative analysis in vitro.
Sam N Suliman1, Terry M Trojan2, Daranee Tantbirojn3
1a Senior Resident, Department of Orthodontics, College of Dentistry, University of Tennessee Health Science Center, Memphis, Tenn.
The Angle Orthodontist
|September 30, 2014
Summary
Ceramic bracket removal caused minimal enamel loss, but polycrystalline brackets left more fragments, complicating cleanup. Monocrystalline brackets were easier to clean after debonding.
Area of Science:
- Dental Materials Science
- Orthodontic Technology
- Surface Analysis
Background:
- Ceramic brackets are widely used in orthodontics due to their aesthetics.
- Assessing enamel surface integrity after bracket debonding and cleanup is crucial for patient safety and treatment outcomes.
Purpose of the Study:
- To quantify enamel surface changes following the debonding and cleanup of two types of ceramic brackets.
- To compare the adhesive remnant and bracket fragment characteristics left on the enamel surface.
Main Methods:
- Extracted teeth were scanned using a 3D optical scanner at baseline, post-debond, and post-cleanup.
- Two ceramic bracket systems (polycrystalline and monocrystalline) were evaluated.
- Enamel loss and remnant thickness were quantified and statistically analyzed.
Main Results:
- Both bracket systems resulted in minimal enamel loss, with no significant difference in depth post-cleanup.
- Polycrystalline ceramic brackets were more prone to leaving fragments on the tooth surface compared to monocrystalline brackets.
- Adhesive remnant thickness was significantly lower post-cleanup for both systems.
Conclusions:
- Successful ceramic bracket removal with minimal enamel damage is achievable with both systems.
- Polycrystalline ceramic brackets present a greater challenge during cleanup due to fragment retention.
- Monocrystalline ceramic brackets appear to facilitate a cleaner debonding process.
