Journal:
:journal of dentistry, tehran university of medical sciences
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javad chalipa department of orthodontics, tehran university of medical science, tehran, iran
yasamin farajzadeh jalali department of orthodontics, tehran university of medical science, tehran, iran
fatemeh gorjizadeh department of orthodontics, tehran university of medical science, tehran, iran
pedram baghaeian department of orthodontics, tehran university of medical science, tehran, iran
mohammad hashem hoseini department of orthodontics, tehran university of medical science, tehran, iran
omid mortezai department of orthodontics, qazvin university of medical science, qazvin, iran
objectives: the aim of this study was to evaluate the effect of conventional and high-power light emitting diode (led) light curing units on shear bond strength (sbs) of metal and ceramic brackets to tooth surface. materials and methods: forty sound bovine maxillary central incisors were used for the study. the teeth were divided into four groups (n=10). teeth surfaces were etched with 37% phos...