Victor VelermoroHilda MoromiLuis Sueldo GálvezDoris SalcedoF Juan José PazCarmen QuintanaGerardo Ayala2026-03-222026-03-22201410.15381/os.v1i3.5535https://doi.org/10.15381/os.v1i3.5535https://andeanlibrary.org/handle/123456789/61445An study of three clases of resins of last generation was done evaluating the clinical conduct histological, microbiological and microfiltracion through electronical microscopic concluting that the clinical answer in the three tippies of resins in casties of 3 mm of intensity were not present, in histologic grade you cannot see qualitive changes, in the microbiological aspect it was verified y kal the efect antimi crobianie is only produced with direct contact with the resens through the shape of an halo, with reference to the microscopic observation one of resens presented a total of a hyborderm cave.esFood scienceChemistryarticle