Quantitative and Qualitative in vivo Analysis of Metal Residuals in the Saliva of Subjects with and without Fixed Orthodontic Appliances

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Abstract

Aim of the Work: The aim of this work was to evaluate Ni e Cr ions in the saliva ofsubjects with and without fixed orthodontic appliances.Materials and Methods: This was a prospective, non-randomized study of 100patients, so selected: 50 have undergone fixed orthodontic appliance at least from24 months; others 50 subjects as control-group, without any fixed and/or removableorthodontic appliance It was conducted according to the Declaration of the WorldMedical Association of Helsinki. The two selected groups were compatible for age, sex,absence of restoration in amalgam or other metals in the oral cavity. The saliva of all thesubjects was collected with standardized sterile methods. The samples were analyzedwith an atomic absorption spectrophotometer instrument.Results: Absolute values of the salivary metal ions in the subjects with fixedorthodontic appliances are more than the values observed in the control group, butthese values are within the normal range.Conclusion: The results show a greater presence in saliva of Ni and Cr ions in thegroup with fixed orthodontic device. This research must be deepened because ionsreleased in saliva can have effects both locally and in distant districts.
Lingua originaleEnglish
pagine (da-a)19617-19621
Numero di pagine5
RivistaBIOMEDICAL JOURNAL OF SCIENTIFIC & TECHNICAL RESEARCH
Volume1
Stato di pubblicazionePublished - 2020

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