Buccal mask

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A New York city police officer wearing a naso-buccal mask, in this case for protection
A New York city police officer wearing a naso-buccal mask, in this case for protection

A buccal mask is a mask covering the cheeks (hence the adjective "buccal") and mouth. Often the mask will also cover the nose, and can also be referred to as a "naso-buccal" mask.

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