Effect of two kinds of orthodontic brackets on nickel and chromium ions levels in hair sample of patients
- Conditions
- malocclusion.malocclusion,unspecified
- Registration Number
- IRCT2015120625379N1
- Lead Sponsor
- Research deputy of Jondishapour medical science
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 46
The inclusion and exclusion criteria: Subjects’ willingness to participate, having indication of fixed orthodontic treatment, having all permanent teeth fully erupted (no semi-eruptions, no missing or extraction) excluding third molars, lack of any systemic diseases, history of allergic reactions, smoking or alcohol consumption, absence of any caries, lack of any metal restorations (e.g., amalgam fillings or fixed prostheses) before or during treatment, having adequate length scalp hair, and absence of any hair color or hairdressing.
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Release of nickel ion. Timepoint: before intervention-6 months after intervention. Method of measurement: measure:microgram/gram dry hair mass- high resolution continuum source(AAS Contra AA700, Analytik Jena, Germany).;Release of chromium ion. Timepoint: before intervention-6 months after intervention. Method of measurement: microgram/gram dry hair mass- high resolution continuum source (AAS Contra AA700, Analytik Jena, Germany).
- Secondary Outcome Measures
Name Time Method