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Allergic inflammatory cytokine analysis and concentration of nickel ions in patients with orthodontic appliance

Analysis of type IV hypersensitivity cytokines and their correlation with the concentration of nickel ions in saliva and urine of patients under orthodontic treatment

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-8bt38c
Enrollment
Unknown
Registered
2019-10-14
Start date
2014-11-25
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hypersensitivity

Interventions

Experimental group: 20 patients with Class I malocclusion, of both genders who begin orthodontic treatment with metallic self-bonded brackets. Control group: 20 patients with Class I malocclusion, of
Device

Sponsors

Faculdade de Odontologia da Universidade Federal de Goiás
Lead Sponsor
Faculdade de Odontologia da Universidade Federal de Goiás
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: Healthy volunteers; both genders; non smokers; Minimum age of 12 years, with Class I malocclusion, Angle; No previous orthodontic treatment; Without missing teeth; Without extensive metal restorations; No systemic diseases.

Exclusion criteria

Exclusion criteria: Patients who do not sign the free and informed consent; Patients on immunosuppressive drugs; Patients using drugs that involve hypersensitivity as antibiotics or ati-inflationary.

Design outcomes

Primary

MeasureTime frame
Intra-oral reactions of nickel hypersensitivity in patients under corrective orthodontic treatment

Secondary

MeasureTime frame
Increase of urinary nickel levels evaluated by the Graphite Furnace Atomic Absorption Spectrophotometer before, after one month and after six months of treatment;Increased levels of salivary nickel measured by inductively coupled plasma mass spectrometry (ICP-MS) before, after one month and after six months of treatment;Increased pro-inflammatory Th1, Th2, and Th17 cytokine concentration as assessed by the sandwich-type immunoassay (CBA) before, after one month and after six months of treatment

Countries

Brazil

Contacts

Public ContactMonarko de Azevedo

Faculdade de Odontologia da Universidade Federal de Goiás

monarckoazevedo@gmail.com+5562981398546

Outcome results

None listed

Source: REBEC (via WHO ICTRP)