The aim of this study is to compare the clinical efficacy of different residual orthodontic adhesive removing methods for rebonding debonded metal attachments.
1. To evaluate and compare the bond failure rates of rebonded brackets using two methods to remove the adhesive remnant and comparing them with contralateral teeth. 2. To evaluate and compare the bond failure rates of rebonded brackets between different quadrants and arches. 3. To evaluate and compare the bond failure rates of rebonded molar tubes using two methods to remove the adhesive remnant and comparing them with contralateral teeth. 4. To evaluate and compare the bond failure rates of rebonded molar tubes between different quadrants and arches.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
DOUBLE
Enrollment
40
T0: The adhesive removal will be performed by high-speed hand piece with tungsten carbide bur. the bur will be changed every five attachments. T1: Control group of T0. T2: The adhesive removal will be performed by sandblasting via Micro-etcher. T3: Control group of T2.
2 private dental clinics in Iraq and special center in Karbala.
Baghdad, Iraq
The number of bonding failures will be compared using the chi-square test.
evaluate and compare the bond failure rates. different quadrants and arches.To evaluate and compare the bond failure rates of rebonded attachments(brackets and molar tubes)using two methods (Tungsten carbide bur and sandblasting)) to remove the adhesive remnant and comparing them with contralateral teeth.
Time frame: baselines
The bonding failure between each quadrant will be compared by one way ANOVA.
evaluate and compare the bond failure rates. different quadrants and arches.
Time frame: bsaelines
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