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Abstract
Introduction Enamel decalcification is a common problem in orthodontics. The objectives of this randomized clinical study were to enumerate and compare plaque bacteria surrounding 2 bracket types, self-ligating (SL) vs elastomeric ligating (E), and to determine whether adenosine triphosphate (ATP)-driven bioluminescence could be used for rapid assessment of bacterial load in plaque. Methods Patients (ages, 11-17 years) were bonded with SL and E brackets in 14 maxillary and 12 mandibular arches by using a split-mouth design. Recall visits were at 1 and 5 weeks after bonding. Plaque specimens were assayed for oral bacteria and subjected to ATP-driven bioluminescence determinations with a luciferin-based assay. Results In most patients, teeth bonded with SL attachments had fewer bacteria in plaque than did teeth bonded with E brackets. At 1 and 5 weeks after bonding, the means for SL vs E brackets were statistically lower for total bacteria and oral streptococci (P Conclusions SL appliances promote reduced retention of oral bacteria, and ATP bioluminescence might be a useful tool in the rapid quantification of bacterial load and the assessment of oral hygiene during orthodontic treatment.
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In Pellegrini et al. 2009, decreased levels of total bacteria and oral streptococci in plaque were found in a self-ligating bracket group compared with a conventional bracket group at 1 week and 5 weeks after bonding.
“Decreased levels of total bacteria and oral streptococci in plaque were found in a SLB group compared to a CB group at 1 week and 5 weeks after bonding (Pellegrini et al., 2009).”
From Microbial colonisation associated with conventional and self-ligating brackets: a systematic review (2022) · cites this paper as Pellegrini et al., 2009
Three included trials concluded that conventional brackets encourage increased microbial colonisation compared with self-ligating brackets.
“Three trials concluded that CB encourage increased microbial colonisation compared to SLB (Ireland et al., 2014; Mummolo et al., 2013; Pellegrini et al., 2009)”
From Microbial colonisation associated with conventional and self-ligating brackets: a systematic review (2022) · cites this paper as Pellegrini et al., 2009
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Baka, Z. M., Basciftci, F. A., & Arslan, U. (2013) · American Journal of Orthodontics and Dentofacial Orthopedics · doi:10.1016/j.ajodo.2013.03.022 · Cited by 68 · see citing works
Arnold, S., Koletsi, D., Patcas, R., & Eliades, T. (2016) · Journal of Dentistry · doi:10.1016/j.jdent.2016.08.006 · Cited by 42 · see citing works
Cardoso, M. D. A., Saraiva, P. P., Maltagliati, L. Á., Rhoden, F. K., Costa, C. C. A., Normando, D., & Capelozza Filho, L. (2015) · Dental Press Journal of Orthodontics · doi:10.1590/2176-9451.20.2.035-041.oar · Cited by 37 · see citing works
Skilbeck, M. G., Mei, L., Mohammed, H., Cannon, R. D., & Farella, M. (2022) · Orthodontics & Craniofacial Research · doi:10.1111/ocr.12503 · Cited by 18 · see citing works
Microbial colonisation associated with conventional and self-ligating brackets: a systematic review
Parmar, N. P., Thompson, G. L., Atack, N. E., Ireland, A. J., Sherriff, M., & Haworth, J. A. (2022) · Journal of Orthodontics · doi:10.1177/14653125211056023 · Cited by 7 · see citing works
- Authors
- Pellegrini, P., Sauerwein, R., Finlayson, T., McLeod, J., Covell, D. A., Maier, T., & Machida, C. A.
- Affiliations
- Oregon Health & Science University (US)
- ORCID
- Covell, David A.
- Venue
- American Journal of Orthodontics and Dentofacial Orthopedics
- Publisher
- Elsevier BV
- Published
- 2009-04
- Volume
- 135
- Issue
- 4
- Pages
- 426-427
- ISSN
- 0889-5406 (ISSN-L)
- OpenAlex
- W2090145322
- Cited by
- 107
- References
- 0
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 5 · 2023: 8 · 2022: 4 · 2021: 8 · 2020: 5 · 2019: 6 · 2018: 8 · 2017: 4 · 2016: 6 · 2015: 10 · 2014: 15 · 2013: 8 · 2012: 4
- FWCI
- 6.51
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Journal of Orthodontics and Dentofacial Orthopedics (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Dentistry › Orthodontics › Orthodontics and Dentofacial Orthopedics
- Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
- Health Sciences › Dentistry › Orthodontics › Dental materials and restorations
- Keywords
- enamel demineralization, orthodontic brackets, self-ligating brackets, elastomeric ligatures, dental plaque bacteria, oral streptococci, ATP bioluminescence, bacterial load quantification, oral hygiene, orthodontic treatment
- MeSH terms
- Adenosine Triphosphate, Adolescent, Bacteria, Bacteriological Techniques, Child, Dental Plaque, Dental Plaque Index, Female, Humans, Longitudinal Studies, Luminescent Measurements, Luminescent Proteins, Male, Oral Hygiene, Saliva, Orthodontic Appliance Design, Orthodontic Brackets, Tooth Demineralization
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