Potassium-titanyl-phosphate (KTP) Laser and Dental Bleaching. Literature review.
Abstract
Abstract: Objective: To determinate if dental bleaching with KTP laser is a safe, effective and efficient technique. The use of KTP laser for dental bleaching was only investigated in combination with a high concentration of hydrogen peroxide (35%). The recommended protocol was: for the use of KTP laser at 3W power and an irradiation time of ten seconds, three to four cycles are needed. For a power of 1W and an irradiation time of thirty seconds the number of cycles is three with a maximum of four. Under these conditions KTP laser bleaching was considered not to alter surface morphology, to have no influence on enamel microhardness, to maintain the pulp temperature within normal values, to obtain lighter tooth color which can be maintained for months (no long term studies were conducted). Because the bleaching effect was obtained in a short period of time and maintained for months, KTP laser bleaching was considered an effective and efficient technique. Conclusion: KTP-assisted dental bleaching is a safe, effective and efficient technique when combined with high concentration of hydrogen peroxide.
Keywords: Dental bleaching, Tooth bleaching, KTP laser, Laser in dentistry.
Láser Potasio-Titanil-Fosfato (KTP) y Blanqueamiento Dental. Revisión narrativa.Resumen: Objetivo: Determinar si el blanqueamiento dental con láser KTP es una técnica segura, efectiva y eficiente. El uso de láser KTP para blanqueamiento dental fue solo investigado en combinación con una alta concentración de peróxido de hidrogeno (35%). El protocolo recomendado fue: para el uso de láser KTP a 3W de potencia y un tiempo de irradiación de diez segundos, tres a cuatro repeticiones son necesarias. Para una potencia de 1W y un tiempo de irradiación de treinta segundos, el número de repeticiones son tres con un máximo de cuatro veces. Bajo estas condiciones, el blanqueamiento dental con esta técnica no altera la morfología de la superficie dental, no tiene influencia en la microdureza del esmalte, mantiene la temperatura pulpar dentro de valores normales y logra un color más claro el cual puede ser mantenido por meses (no se han realizado estudios a largo plazo). Conclusión: Debido a que, el efecto blanqueador se obtiene en poco tiempo y se mantiene por meses, el blanqueamiento dental con láser KTP se considera una técnica eficiente y efectiva, además de segura. Esto cuando es combinada con peróxido de hidrogeno de concentración alta.
Palabras clave: Blanqueamiento dental, Láser KTP, Láser en odontología.
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