Journal
HEALTHCARE
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/healthcare11091340
Keywords
periodontal health; orthodontic treatment; fixed appliances; clear aligners; oral hygiene; biofilm control; gingivitis
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This umbrella review aimed to compare the periodontal conditions of patients undergoing orthodontic treatment with clear aligners and fixed appliances. The study protocol was developed following the PRISMA statement and registered on PROSPERO. Systematic reviews with meta-analysis published in English without date restriction were searched across multiple databases. The study quality was assessed using the AMSTAR 2 tool. The findings suggest that there are slight differences in periodontal parameters between clear aligners and fixed appliances, but these differences are clinically negligible.
The present umbrella review of four systematic reviews with meta-analysis aimed to assess whether clear aligners are associated with better periodontal conditions compared with fixed appliances in patients undergoing orthodontic treatment. The present study protocol was developed in accordance with the PRISMA statement before the literature search, data extraction, and analysis and was registered on PROSPERO (CRD42023401808). The question formulation, search, and study selection strategies were developed according to the PICO model. Systematic reviews with a meta-analysis published in English without date restriction were electronically searched across the Cochrane Library, Web of Science (Core Collection), Scopus, EMBASE, and MEDLINE/PubMed databases until 10 February 2023. An assessment of study quality was performed using the AMSTAR 2 tool. Differences in the PI, GI, and BOP in the short- and medium-term follow-ups, in the PPD in long-term follow-up, and the gingival recessions in the short-term follow-up were found between subjects with clear aligners and fixed appliances, revealing a slight tendency for clear aligners to be associated with healthier periodontal conditions. However, even if statistically significant, such differences would be negligible in a clinical environment. Therefore, the impact of orthodontic treatment with clear aligners and fixed appliances on periodontal health status should be considered comparable.
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