Skip to content

Comparison of the effect of type of orthodontic bracket adhesive on dental caries around brackets and bond strength

Shear bond strength of brackets and enamel demineralization around brackets bonded with self etching primers compared to conventional acid etch technique: An in-vivo study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT201705099086N3
Enrollment
25
Registered
2017-07-07
Start date
2017-07-08
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Dental caries. Caries limited to enamel

Interventions

Intervention 1: Intervention: This group will receive Self Etching Primer for bonding brackets and after at least two months, the teeth were examined for demineralization and shear bond strength. Inte
Prevention
Intervention: This group will receive Self Etching Primer for bonding brackets and after at least two months, the teeth were examined for demineralization and shear bond strength.
Control: This group will receive conventional Acid Etch technique for bonding brackets and after at least two months, the teeth were examined for demineralization and shear bond strength the same as t

Sponsors

Deputy of Research and Technology, Hamadan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to No maximum

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

MeasureTime 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

MeasureTime 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

Public ContactVahid Shahidi Zandi

Department of Orthodontics, Dental School, Hamadan University of Medical Sciences

vahidshahidi13@gmail.com+98 81 3838 1059

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 19, 2026