Bibliographic citations
Llerena, V., (2019). Efecto del café en la variación cromática de las resinas híbridas y nanohíbridas: estudio in vitro [Tesis, Universidad Inca Garcilaso de la Vega]. https://hdl.handle.net/20.500.11818/4345
Llerena, V., Efecto del café en la variación cromática de las resinas híbridas y nanohíbridas: estudio in vitro [Tesis]. : Universidad Inca Garcilaso de la Vega; 2019. https://hdl.handle.net/20.500.11818/4345
@misc{renati/860765,
title = "Efecto del café en la variación cromática de las resinas híbridas y nanohíbridas: estudio in vitro",
author = "Llerena Meza De Pastor, Verónica Janice",
publisher = "Universidad Inca Garcilaso de la Vega",
year = "2019"
}
In the present study, chromatic changes that occurred in hybrid and nanohybrid resins with pigmenting substances such as coffee were analyzed "in vitro". The general objective of the research work was to determine what is the effect of coffee on the chromatic variation of hybrid and nanohybrid resins. The type of research was experimental and for the sample specimens of 8mm diameter by 2mm height were made for each of the materials under study considered "control group" stored in an isotonic substance and the others considered "study groups" which they were subjected to the action of the pigmenting substance for a period of 12 hours for 7 days at room temperature and when they were not in an experimental stage they were stored in isotonic solutions. The assessment was carried out using a spectrophotometer, registering the changes observed in the tables, in order to make the comparison between the chromatic variation of the hybrid and nanohybrid resins with the exposed pigment substance. The statistical test used was Tstudent whose margin of error used was 0.05. Finally, it was concluded that there were significant differences in chromatic variation produced by coffee in both hybrid and nanohybrid resins. A tendency to greater differentiation of the hybrid and nanohybrid resin groups was observed depending on the time of exposure with significant differences.
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