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The side of a tooth that is adjacent to (or the direction toward) the inside of the cheeks and lips, as opposed to lingual or palatal (both oral), which refer to the side of a tooth adjacent to (or the direction toward) the tongue or palate, respectively, of the oral cavity. Vestibular includes both buccal and labial.
Surfaces that are nearest the cheeks or lips are referred to as either buccal (when found on posterior teeth nearest the cheeks) or labial (when found on anterior teeth nearest the lips). Those nearest the tongue are known as lingual. Lingual surfaces can also be described as palatal when found on maxillary teeth beside the hard palate.
The cheeks are referred to as the buccal region. The ears are referred to as the auricle or otic region. The nose is referred to as the nasal region. The mouth is referred to as the oral region. The chin is referred to as the mental region. The neck is referred to as the cervical region. The trunk of the body contains, from superior to inferior,
Mouth breathing refers to the act of breathing through the mouth (as a temporary backup system) if there is an obstruction to breathing through the nose, which is the designated breathing organ for the human body. [8] Infants are born with a sucking reflex, by which they instinctively know to suck for nourishment using their lips and jaw.
Diagram showing left medial and lateral pterygoid muscles. Part of the zygomatic arch and the ramus of the mandible have been cut away. The pterygomandibular space lies between the lateral surface of medial pterygoid and the medial surface of the mandibular ramus.
In human anatomy of the mouth, the palatine process of maxilla (palatal process), is a thick, horizontal process of the maxilla. It forms the anterior three quarters of the hard palate, the horizontal plate of the palatine bone making up the rest. It is the most important bone in the midface.
A diagram of generalized tribosphenic molars with notable features labelled. Upper left molar in pink, lower left molar in blue. Mesial (forwards) is to the left. Teeth are depicted in left lateral view (left side and center of the image) or occlusal view (right side of the image).
Although the palatal root generally appears straight on radiographs, there is usually a buccal curvature in the apical third. Depressions on the buccal and palatal surfaces of the palatal root can be present but are generally shallow. There are prominent depressions found on the distal aspect of the mesiobuccal roots.