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Which orthodontic appliance is best for oral hygiene? A randomized clinical trial

Chhibber, Aditya ; Agarwal, Sachin ; Yadav, Sumit ; Kuo, Chia-Ling ; Upadhyay, Madhur

American journal of orthodontics and dentofacial orthopedics, 2018-02, Vol.153 (2), p.175-183 [Periódico revisado por pares]

United States: Elsevier Inc

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  • Título:
    Which orthodontic appliance is best for oral hygiene? A randomized clinical trial
  • Autor: Chhibber, Aditya ; Agarwal, Sachin ; Yadav, Sumit ; Kuo, Chia-Ling ; Upadhyay, Madhur
  • Assuntos: Adolescent ; Dental Plaque Index ; Female ; Humans ; Male ; Oral Hygiene ; Orthodontic Appliances - adverse effects ; Orthodontic Brackets - adverse effects ; Orthodontic Retainers - adverse effects ; Orthodontics, Corrective - adverse effects ; Orthodontics, Corrective - instrumentation ; Periodontal Index ; Time Factors
  • É parte de: American journal of orthodontics and dentofacial orthopedics, 2018-02, Vol.153 (2), p.175-183
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-News-1
    ObjectType-Feature-3
    content type line 23
  • Descrição: Clear aligners and to a lesser extent self-ligated brackets are considered to facilitate better oral hygiene than traditional fixed orthodontic appliances. This 3-arm parallel-group prospective randomized clinical trial compared the long-term and short-term effects of clear aligners, self-ligated brackets, and conventional (elastomeric-ligated) brackets on patients' oral hygiene during active orthodontic treatment. Seventy-one participants (41 boys, 30 girls; mean age, 15.6 years) undergoing orthodontic treatment were randomly allocated through a computer-generated randomization schedule to one of the groups based on the choice of intervention: Clear Aligners (CLA) (Align Technology, San Jose, Calif) (n = 27), preadjusted edgewise fixed appliance with self-ligated brackets (SLB) (Carriere, Carlsbad, Calif (n = 22), or preadjusted edgewise fixed appliance with elastomeric ligated brackets (ELB) (Ortho Organizers Inc., Carlsbad, CA) (n = 22). For each participant, the primary outcome, plaque index (PI), and secondary outcomes, gingival Index (GI) and periodontal bleeding index (PBI), were measured at baseline (T0), after 9 months of treatment (T1), and after 18 months of treatment (T2). Blinding of the clinicians and the patients to the intervention was impossible. It was only done for outcome assessment and for the statistician. Ten participants did not receive the allocated intervention for various reasons. The means and standard deviations of PI at T0 (CLA, 0.50 ± 0.51; SLB, 0.65 ± 0.49; ELB, 0.70 ± 0.73), T1 (CLA, 0.83 ± 0.48; SLB, 1.38 ± 0.72; ELB, 1.32 ± 0.67), and T2 (CLA, 0.92 ± 0.58; SLB, 1.07 ± 0.59; ELB, 1.32 ± 0.67) were similar. The odds ratio (OR) for plaque index (0 or ≥1) comparing SLB or CLA to ELB was not significant. OR for SLB vs ELB = 1.54 at T0 (95% CI, 0.39-6.27), 0.88 at T1 (95% CI, 0.03-24.69), and 0.83 at T2 (95% CI, 0.02-27.70); OR for CLA vs ELB = 1.07 at T0 (95% CI, 0.30-3.88), 0.24 at T1 (95% CI, 0.01-1.98), and 0.17 at T2 (95% CI, 0.01-1.71). However, the odds ratios comparing CLA with ELB for GI (OR = 0.14; P = 0.015) and PBI (OR = 0.10; P = 0.012) were statistically significant at T1. In this prospective randomized clinical trial, we found no evidence of differences in oral hygiene levels among clear aligners, self-ligated brackets, and conventional elastomeric ligated brackets after 18 months of active orthodontic treatment. The trial is registered at ClinicalTrials.gov (NCT02745626). The protocol was not published before trial commencement. •Effects of clear aligners, self-ligated brackets, and conventional (elastomeric-ligated) brackets on oral hygiene were evaluated.•Seventy-one patients were randomly assigned to the 3 groups based on appliance type for orthodontic treatment.•Short-term (9 month) and long-term (18 month) evaluations of plaque index, gingival index, and periodontal bleeding index were carried out through treatment.•Periodontal parameters worsened for all groups as treatment progressed.•Long-term outcomes showed no significant difference in oral hygiene between groups.
  • Editor: United States: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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