Abstract
The esthetics of the smile has nowadays an increased demand in clinical dental practice. The color of teeth depends on the quantity and quality of reflected light, the quantity of the incident light, the thickness of the enamel, and the quantity and quality of dentin reflecting the light. The classification of discolorations includes intrinsic and extrinsic dyschromia; dyschromia can be isolated to one or more elements or generalized, so extended to many elements. While extrinsic dyschromia can be easily treated at home by the patient with toothpaste or by professional polishing techniques, air-flow polishing, the intrinsic dyschromia requires professional bleaching treatments or esthetic dentistry treatments (composite resins, veneers, crowns). Among the side effects of dental bleaching, over-bleaching represents a serious risk that can be easily avoided using laser with proper parameters and time of application. Research demonstrated the presence of damage to the enamel surface when the time of application of the bleaching gel lasts more than 20 min. Different wavelengths and protocols are proposed, all having a safe total time of application within 20 min.
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Olivi, G., Benedicenti, S. (2015). Laser Application for Dental Bleaching/Whitening. In: Olivi, G., Olivi, M. (eds) Lasers in Restorative Dentistry. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-47317-7_9
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DOI: https://doi.org/10.1007/978-3-662-47317-7_9
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