MersV1, Main, Exploration, bibRecord, 002268

Change in nickel levels in the saliva of patients with fixed orthodontic appliances.

Identifieur interne : 002268 ( Main/Exploration ); précédent : 002267; suivant : 002269

Change in nickel levels in the saliva of patients with fixed orthodontic appliances.

Auteurs : Lahcen Ousehal [Maroc] ; Laila Lazrak

Source :

International orthodontics [ 1879-680X ] ; 2012.

RBID : pubmed:22537458

Descripteurs français

KwdFr :
- Adolescent, Adulte, Alliage dentaire, Appareils orthodontiques, Femelle, Humains, Jeune adulte, Mâle, Nickel (analyse), Salive (), Titane.
MESH :
- analyse : Nickel.
- Adolescent, Adulte, Alliage dentaire, Appareils orthodontiques, Femelle, Humains, Jeune adulte, Mâle, Salive, Titane.

English descriptors

KwdEn :
- Adolescent, Adult, Dental Alloys, Female, Humans, Male, Nickel (analysis), Orthodontic Appliances, Saliva (chemistry), Titanium, Young Adult.
MESH :
- chemical , analysis : Nickel.
- chemical : Dental Alloys, Titanium.
- chemistry : Saliva.
- Adolescent, Adult, Female, Humans, Male, Orthodontic Appliances, Young Adult.

Abstract

Nickel-titanium (NiTi) alloys are used frequently in orthodontics. Nickel release thus poses a problem on account of the biological effects it may have. The aim of our paper is to evaluate levels of nickel released into saliva by fixed orthodontic appliances. To this end, we performed an in vivo study on 16 patients (eight boys, eight girls). Nickel levels in saliva were evaluated by mass spectrometry before appliance placement, just after placement, and 8 weeks after placement. Results showed a significant increase in nickel levels just after NiTi archwire insertion. However, the difference was non-significant 8 weeks later. Certain studies concur with ours, showing appreciable changes in concentration, but with no significant difference. Others, though, have shown a statistically significant difference. In conclusion, orthodontic appliances release nickel ions mainly at the start of orthodontic treatment.

DOI: 10.1016/j.ortho.2012.03.003
PubMed: 22537458

Affiliations:

Maroc

Le document en format XML

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<affiliation wicri:level="1"><nlm:affiliation>Département d'orthodontie, service d'ODF, Faculté de médecine dentaire de Casablanca (Dentofacial Orthopedics Department, Casablanca School of Dental Medicine), rue Abou Al Alaa Zahar 21100, B.P. 9157 Mers Sultan, Casablanca, Morocco. lahcen2228@yahoo.fr</nlm:affiliation>
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<term>Adult</term>
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<term>Humans</term>
<term>Male</term>
<term>Nickel (analysis)</term>
<term>Orthodontic Appliances</term>
<term>Saliva (chemistry)</term>
<term>Titanium</term>
<term>Young Adult</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term>
<term>Adulte</term>
<term>Alliage dentaire</term>
<term>Appareils orthodontiques</term>
<term>Femelle</term>
<term>Humains</term>
<term>Jeune adulte</term>
<term>Mâle</term>
<term>Nickel (analyse)</term>
<term>Salive ()</term>
<term>Titane</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Nickel</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Alloys</term>
<term>Titanium</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Nickel</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Saliva</term>
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<keywords scheme="MESH" xml:lang="en"><term>Adolescent</term>
<term>Adult</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Orthodontic Appliances</term>
<term>Young Adult</term>
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<term>Alliage dentaire</term>
<term>Appareils orthodontiques</term>
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<front><div type="abstract" xml:lang="en">Nickel-titanium (NiTi) alloys are used frequently in orthodontics. Nickel release thus poses a problem on account of the biological effects it may have. The aim of our paper is to evaluate levels of nickel released into saliva by fixed orthodontic appliances. To this end, we performed an in vivo study on 16 patients (eight boys, eight girls). Nickel levels in saliva were evaluated by mass spectrometry before appliance placement, just after placement, and 8 weeks after placement. Results showed a significant increase in nickel levels just after NiTi archwire insertion. However, the difference was non-significant 8 weeks later. Certain studies concur with ours, showing appreciable changes in concentration, but with no significant difference. Others, though, have shown a statistically significant difference. In conclusion, orthodontic appliances release nickel ions mainly at the start of orthodontic treatment.</div>
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Serveur d'exploration MERS

Change in nickel levels in the saliva of patients with fixed orthodontic appliances.

Change in nickel levels in the saliva of patients with fixed orthodontic appliances.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration MERS
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