Objective. Compare the type of protective barriers used in dental clinics in Mexico during the pandemic. Methods. A cross-sectional study was performed with 250 dentists who work in institutions, clinics, or private offices in five states of the Mexican Republic; the information was collected in a Google form that included: informed consent, identification card, use of protection barriers and protocol to use them. A descriptive analysis of the data was prepared. Results. There were 250 participants, 50 from each state, the mean age was 37.10 (SD 11.98), predominating, females, single status and having a bachelor’s degree. The most used barrier was a surgical and/or disposable cap, more than 80% indicated servicing patients using eye protection and a mask; the use of the KN95 / N95 mask was greater than the triple layer, only 3% responded not to use gloves, the use of disposable gowns w...