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Dominant buccal cusp and a very small lingual cusp; The buccal cusp is broad and the lingual cusp is less than half the size of the buccal cusp. Two-thirds of the buccal surface can be seen from the occlusal aspect; A single conical root with an oval/round cross section. The root is grooved longitudinally both mesially and distally.
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.
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.
In children with cleft lip and palate, the lateral incisor in the alveolar cleft region has the highest prevalence of dental developmental disorders; [74] this condition may be a cause of tooth crowding. [75] This is important to consider in order to correctly plan treatment keeping in mind considerations for function and aesthetics.
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.
Two specialized terms are useful in describing views of arachnid legs and pedipalps. Prolateral refers to the surface of a leg that is closest to the anterior end of an arachnid's body. Retrolateral refers to the surface of a leg that is closest to the posterior end of an arachnid's body. [68] Most spiders have eight eyes in four pairs.
The gingiva on the palatal aspect of the maxillary teeth is innervated by the greater palatine nerve apart from in the incisor region, where it is the nasopalatine nerve (long sphenopalatine nerve). The gingiva of the lingual aspect of the mandibular teeth is innervated by the sublingual nerve, a branch of the lingual nerve
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).