Bonding of acid-etch and self-etch adhesives to human fluorosed dentin

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Aesthetic restorations have a great demand as a treatment of dentin exposure in fluorosed teeth. This laboratory study shows the bonding efficacy of Clearfil SE Bond, Clearfil Tri-S Bond and Single Bond to fluorosed dentin. Human molars were categorized with Thylstrup-fejerskov Index and bonding dentin interfaces were created for microtensile bond testing, field emission scanning electron microscopic morphological analysis. Clearfil SE Bond showed the best bonding performance to fluorosed dentin out of the three bonding materials. Different dentin bonding interface and surface morphologies were observed with each bonding system.