Buccal Surface

"Buccal" refers to the surface of the tooth that is next to your cheeks.

Overall, there are five surfaces to each tooth:

Occlusal - the chewing or grinding surface of the bicuspid and molar teeth
Mesial - forward or front.
Distal - behind towards the back of the mouth.
Buccal
Lingual - the tooth surface next to your tongue.