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Clear Aligner Treatment: Indications, Advantages, and Adverse Effects-A Systematic Review
Clara Rasborg Hartogsohn1, Liselotte Sonnesen1
1Section of Orthodontics, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark.
Dentistry Journal
|January 24, 2025
Summary
Clear aligner treatment (CAT) is suitable for mild to moderate malocclusions but not severe cases. While offering benefits like improved oral hygiene, CAT has disadvantages compared to fixed appliance treatment (FAT), with potential adverse effects needing further research.
Area of Science:
- Orthodontics
- Dental Materials Science
Background:
- Clear aligner treatment (CAT) is increasingly popular among patients and clinicians.
- A comprehensive understanding of CAT's scope and limitations is essential.
Purpose of the Study:
- To systematically review current literature on indications, contraindications, advantages, disadvantages, and adverse effects of CAT.
Main Methods:
- A systematic literature search was conducted in PubMed and Embase.
- 18 studies were included in the review.
Main Results:
- CAT is indicated for mild to moderate malocclusions; severe cases with impactions or skeletal deviations are contraindications.
- Advantages include improved oral hygiene; disadvantages include inferiority to fixed appliance treatment (FAT) in orthodontic movement efficiency.
- Potential adverse effects include microplastic health risks and decreased condyle bone volume.
Conclusions:
- Indications for CAT are limited to mild to moderate malocclusions.
- CAT is considered inferior to FAT for complex cases, despite its advantages.
- Further high-quality research is necessary to establish firm conclusions on CAT's indications and contraindications.
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