The effects of different orthodontic appliances upon microbial communities

Orthodontics & Craniofacial Research
A J IrelandJ R Sandy

Abstract

Orthodontic appliances can promote accumulation of dental plaque, with associated enamel decalcification or gingival inflammation. The aim of this study was to examine longer-term microbiological changes during orthodontic treatment with fixed appliances. Twenty-four orthodontic patients aged 11-14 years undergoing fixed appliance therapy were recruited into the study. Each was randomized for cross-mouth assignment of molar bands and bonded molar tubes to contralateral quadrants of the mouth. All patients received self-ligating brackets, but again using randomization, one upper lateral incisor bracket (left or right) also received an elastomeric ligature. Plaque samples from the molars and upper lateral incisors were obtained at intervals during treatment and up to 1 year after appliance removal. Denaturing gradient gel electrophoresis and 16S rDNA microarray were used to compare plaque microbial fingerprints. Plaque populations changed within 3 months of commencing treatment at all sites. The greatest differences in plaque composition were seen with self-ligating brackets with an elastomeric ligature. Post-treatment plaque associated with both types of molar attachment contained increased levels of periodontal pathogens Porphy...Continue Reading

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Citations

Feb 24, 2016·International Journal of Dentistry·Angelina GorbunkovaGiulio Rasperini
Dec 31, 2014·European Journal of Orthodontics·Gabriele RossiniCesare L Debernardi
Jun 9, 2016·Clinical Oral Investigations·Ana Zilda Nazar BergamoMírian Aiko Nakane Matsumoto
Feb 17, 2015·British Dental Journal·A J IrelandN P Hunt
Sep 12, 2019·Dental press journal of orthodontics·Pedro Marcelo Tondelli
Jul 4, 2020·Journal of Orthodontics·Fabienne SuterTheodore Eliades
Jul 11, 2018·Journal of Oral Microbiology·Alessandra LuccheseMaurizio Manuelli
Dec 19, 2020·Antibiotics·Sibel TektasLamprini Karygianni
Mar 7, 2021·Journal of Clinical Medicine·Maria ContaldoRosario Serpico

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