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3D Scanners in Orthodontics-Current Knowledge and Future Perspectives-A Systematic Review
Maciej Jedliński1, Marta Mazur2, Katarzyna Grocholewicz1
1Department of Interdisciplinary Dentistry, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland.
International Journal of Environmental Research and Public Health
|January 30, 2021
Summary
Intraoral scanners are accurate and effective in orthodontics, with similar performance across brands. Future research should focus on novel applications for digital impressions in orthodontic practice.
Area of Science:
- Orthodontics
- Dental Technology
- Digital Dentistry
Background:
- Intraoral scanners are now standard in orthodontic practices, enabling treatment innovations.
- Assessing the impact of intraoral scanners on daily orthodontic work is crucial.
- Directing future research requires understanding current advancements.
Purpose of the Study:
- To systematically review and synthesize controlled trials on intraoral scanner accuracy and efficacy in orthodontics.
- To provide clinically relevant information for practitioners.
- To guide future research directions in orthodontic digital impressions.
Main Methods:
- A comprehensive literature search was conducted across MedLine (PubMed), Scopus, Web of Science, and Embase.
- Keywords included "intraoral scanners AND efficiency AND accuracy AND orthodontics" from 1950 to September 2020.
- 16 selected studies underwent qualitative synthesis after initial identification and screening.
Main Results:
- 71 potential articles were identified, with 16 ultimately included in the review.
- Intraoral scanners demonstrate high accuracy and efficacy for orthodontic applications.
- Scanners from different manufacturers within the same generation exhibit comparable accuracy.
Conclusions:
- Extensive data confirms the accuracy and efficacy of various intraoral scanners.
- Similar accuracy levels among contemporary scanners limit the novelty of future comparative studies.
- The primary challenge lies in discovering new applications for digital impressions in orthodontics.

