Buccal mask

A buccal mask is a mask covering the buccal area and mouth. Often the mask will also cover the nose, in which case it may also be referred to as a naso-buccal mask. In some cases it is used in medical settings, i.e. for non-invasive mechanical ventilation.^[1]

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Buccal masks were a common feature in some ancient Mesoamerican^[2][3] cultures and are portrayed on Aztec, Zapotec,^[4] and Epi-Olmec culture artwork.