Assessment of hair nickel and chromium levels in patients with a fixed orthodontic appliance: a systematic review and meta-analysis of case-control studies.
chromium
fixed orthodontic treatment
hair
nickel
Journal
Postepy dermatologii i alergologii
ISSN: 1642-395X
Titre abrégé: Postepy Dermatol Alergol
Pays: Poland
ID NLM: 101168357
Informations de publication
Date de publication:
Jun 2019
Jun 2019
Historique:
received:
22
01
2018
accepted:
19
02
2018
entrez:
24
7
2019
pubmed:
25
7
2019
medline:
25
7
2019
Statut:
ppublish
Résumé
The metals nickel (Ni) and chromium (Cr) can cause immunological sensitivity and adverse biological and cytotoxic effects. To evaluate hair levels of these metals in patients undergoing fixed orthodontic treatment compared with controls. Five databases - PubMed, Web of Science, Scopus, Cochrane Library, and ScienceDirect - were searched up to January 2018 for evaluation of the hair levels of nickel and/or chromium in patients undergoing fixed orthodontic treatment. To assess the study quality, the Newcastle-Ottawa Scale was used (NOS), and to compare hair Ni and Cr levels in the cases compared with the controls, a random-effects meta-analysis was performed by Review Manager 5.3 using standard mean differences (SMDs) and 95% confidence intervals (CIs). Out of 38 studies in the databases searched, 6 studies were included in the meta-analysis. The pooled SMD of hair Ni levels between the cases and controls was 0.95 μg/g (95% CI: -0.09, 1.99; The slightly elevated hair levels of Ni and Cr in patients undergoing fixed orthodontic treatment suggest that changing the components of fixed orthodontic appliances can be considered as an acceptable solution in the future.
Identifiants
pubmed: 31333341
doi: 10.5114/ada.2018.74520
pii: 74520
pmc: PMC6640016
doi:
Types de publication
Journal Article
Langues
eng
Pagination
261-266Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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