Maxilla: The maxilla is a pair of bones that form the upper jaw and contribute to the formation of the orbit, nasal cavity, and hard palate.
Palatine bone: The palatine bone is an L-shaped structure located at the back part of the nasal cavity and contributes to forming parts of both the nasal cavity and hard palate.
Oral Cavity: The oral cavity is an anatomical space within the mouth that includes structures such as teeth, tongue, and salivary glands, bounded at its roof by the hard palate