The research was carried out using colorant filtration method. 30 extracted human teeth were used for the study. For disinfection purposes, teeth were immersed in 1% sodium hypochlorite solution; soft tissue was removed and teeth were stored in de-ionized water until the required number of teeth was completed.
Se utilizaron 30 dientes humanos extraídos, se colocaron en solución de hipoclorito de sodio al 1% para su desinfección, se eliminaron tejidos blandos y se almacenaron en agua desionizada hasta completar el número requerido.