Journal Article

Salivary metal levels of orthodontic patients: a novel methodological and analytical approach

Theodore Eliades, Christos Trapalis, George Eliades and Elias Katsavrias

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 25, issue 1, pages 103-106
Published in print February 2003 | ISSN: 0141-5387
Published online February 2003 | e-ISSN: 1460-2210 | DOI:
Salivary metal levels of orthodontic patients: a novel methodological and analytical approach

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The purpose of this study was to qualitatively and quantitatively assess the nickel, chromium, and ferrous levels in a population of 17 orthodontic patients undergoing treatment, compared with seven untreated individuals, employing a novel methodological approach and a new analytical technique. Salivary samples obtained from patients before and after rinsing with double distilled water were processed for Inductively Coupled Plasma‐Atomic Emission Spectroscopy (ICP‐AES) for simultaneous estimation of the concentration of the metallic elements.

No statistically significant difference was detected between control and patient groups with respect to salivary metal content, regardless of element. The range of salivary metal levels found did not exceed those of daily intake through food and air.

The lack of a continuous monitoring scheme for salivary metal concentrations in real time may impose substantial obstacles to defining the release rate of metals in vivo. The results of this study emphasize the necessity of incorporating the dimension of time in assessing the release potential of orthodontic alloys.

Journal Article.  0 words. 

Subjects: Restorative Dentistry and Orthodontics

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