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IRCT201011132481N2 IRCT 2010-12-18 Shahid Sadoughi University of Medical Sciences An investigation on the amount of salivary nickel and chromium in patients with fixed orthodontic appliances An investigation on the amount of salivary nickel and chromium in patients with fixed orthodontic appliances 2010-11-22 anticipated 32 Complete https://irct.ir/trial/2214 interventional Randomization: N/A, Blinding: Single blinded, Placebo: Not used, Assignment: Single, Purpose: Health service research. N/A Dental malocclusion. Different orthodontic wires, first to third months: Niti wire from fourth months: Stainless steel wire.
public Soghra Yassaei
Department of Orthodontic, Faculty of Dentistry
Yazd Iran (Islamic Republic of) +98 35 1621 2222 syassaei@yahoo.com Faculty of Dentistry scientific Soghra Yassaei
Department of Orthodontic, Faculty of Dentistry Dahaye Fajr Blvd, Yazd
Yazd Iran (Islamic Republic of) +98 35 1621 2222 syassaei@yahoo.comsyassaei@ssu.ac.ir Faculty of Dentistry Iran (Islamic Republic of) Inclusion criteria: having permanent dentition, not having any amalgam and metal restoration, having 22 Roth brackets and bands on the teeth, having any palatal or lingual appliances welded to bands, having extraoral appliance (i.e., head gear) Exclusion criteria: unwilling to continue in the study 12 years 24 years Both K07 Dentofacial anomalies Treatment - Devices Different orthodontic wires, first to third months: Niti wire from fourth months: Stainless steel wire Salivary nickel and chromium. Timepoint: Pre intervention, 1, 3, 6 months after intervention. Method of measurement: salivary of patients. Shahid Sadoughi University of Medical Sciences Approved 2009-11-07 Ethics Committee in Research, Shahid Sadoughi University of Medical Sciences, Yazd Shahid Sadoughi University of Medical Sciences, Yazd Yazd Iran (Islamic Republic of)