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Disinfection of 3D-printed protective face shield during COVID-19 pandemic

2020; Elsevier BV; Volume: 49; Issue: 4 Linguagem: Inglês

10.1016/j.ajic.2020.10.008

1527-3296

Saidy Vásconez Noguera, Evelyn Patrícia Sánchez Espinoza, Marina Farrel Côrtes, Izabel Cristina Vilela Oshiro, Fernanda de Sousa Spadão, Laura Maria Brasileiro Brandão, Ana Natiele da Silva Barros, Sibeli Balestrin Dalla Costa, Bianca Leal de Almeida, Paula Gemignani Soriano, Alessandra Grassi Salles, Mirian Elizabete Marques Escorcio, Cristina Madeira Barretti, Fernanda Spadotto Baptista, Glaura Souza Alvarenga, Igor Maia Marinho, Leila Suemi Harima Letaif, Ho Ye Li, Pedro Starzynski Bacchi, Ana Rubia Guedes dos Santos, Lucas Borges Regadas, Carlos Eduardo Lima Braga, Fabio Zsigmond, Aluísio Augusto Cotrim Segurado, Thaís Guimarães, Anna S. Levin, Cristiane Aun Bertoldi, Luiz Henrique Catalani, Eduardo Zancul, Sílvia Figueiredo Costa,

Dental Research and COVID-19

This study assessed the disinfection using 70% ethanol; H2O2-quaternary ammonium salt mixture; 0.1% sodium hypochlorite and autoclaving of four 3D-printed face shields with different designs, visor materials; and visor thickness (0.5-0.75 mm). We also investigated their clinical suitability by applying a questionnaire to health workers (HW) who used them. Each type of disinfection was done 40 times on each type of mask without physical damage. In contrast, autoclaving led to appreciable damage.