Dental caries. Caries limited to enamel
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: Patients requiring fixed orthodontic treatment for upper and/or lower arch; Treatment plan based on at least 2 premolar extraction; No previous orthodontic treatment; Sound and intact enamel on the buccal area; No restoration, attrition, and caries on enamel Exclusion criteria: Craniofacial anomalies; Hypoplasia and obvious demineralization of enamel; Systemic diseases
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Enamel demineralization around brackets. Timepoint: 8-9 weeks after treatment. Method of measurement: Lesion depth in microns by polarized light microscopy.;Shear Bond Strength. Timepoint: 8-9 weeks after treatment. Method of measurement: pressure in megapascal by Instron unversal testing machine. | — |
Secondary
| Measure | Time frame |
|---|---|
| Adhesive Remnant Index. Timepoint: 8-9 weeks after treatment. Method of measurement: stereomicroscope with magnification by 60 times. | — |
Countries
Iran (Islamic Republic of)
Contacts
Department of Orthodontics, Dental School, Hamadan University of Medical Sciences