Demineralization of tooth enamel.
Conditions
Interventions
Intervention 1: Intervention group: In this group, for bonding brackets the composite (Transbond XT, 3M, USA), which adds 5% by weight of titanium dioxide nanoparticles and 5% by weight of nanochitosa
Sponsors
Mashhad University of Medical Sciences
Eligibility
Sex/Gender
All
Age
13 Years to 18 Years
Inclusion criteria
Inclusion criteria: Orthodontic patients aged between 13-18 years undergoing fixed orthodontic treatment Healthy gum Upper second premolars and upper lateral incisors of the participants to be free of macroscopic enamel cracks, caries, or enamel hypoplasia.
Exclusion criteria
Exclusion criteria: Patients taking medications that cause xerostomia. Systemic disease or active periodontal disease Active caries on at least one tooth
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Population of Sterptococcus Mutans. Timepoint: 24 hours, 2 months and 6 months after placing brackets. Method of measurement: Real-time polymerase chain reaction. | — |
Secondary
| Measure | Time frame |
|---|---|
| ?Determination of mineral context of enamel. Timepoint: 24 hours, 2 months and 6 months after placing brackets. Method of measurement: Quantitative laser fluorescence technique. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactFahimeh Farzanegan
Mashhad University of Medical Sciences
Outcome results
None listed