The correct option is B Maxilia
Buccal vestibule is the space between the gums and cheeks where the food is stored temporarily for some time. It is a peripheral part and is provided with cheek teeth. In this type of teeth crown part is small root Is long such as premolars and molars. In humans, maxilla is the bone of upper jaw and mandible that of lower jaw. Humans have thecodont dentition meaning that teeths are embedded in sockets in these jaw bones.