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Maxillary second premolar

 

 
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Maxillary second premolar
 
 
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The maxillary second premolar is the tooth
Tooth

Teeth are small whitish structures found in the jaws of many vertebrates that are used to tear, scrape, and chew food. Some animals, particularly carnivores, also use teeth for hunting or defense....
 located laterally (away from the midline of the face
Face

The term face refers to the central sense organ complex, for those animals that have one, normally on the ventral surface of the head and can depending on the definition in the human case, include the hair, forehead, eyebrow, eyes, nose, ears, cheeks, mouth, lips, philtrum, tooth, skin, and chin....
) from both the maxillary first premolar
Maxillary first premolar

The maxillary first premolar is the tooth located laterally from both the maxillary canines of the mouth but mesial from both maxillary second premolars....
s of the mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
 but mesial (toward the midline of the face) from both maxillary first molar
Maxillary first molar

The maxillary first molar is the tooth located laterally from both the maxillary second premolars of the mouth but mesial from both maxillary second molars....
s. The function of this premolar
Premolar

The premolar teeth or bicuspids are transitional teeth located between the Canine_tooth and Molar_ teeth. In humans, there are two premolars per quadrant, making eight premolars total in the mouth....
 is similar to that of first molars in regard to grinding being the principle action during mastication
Mastication

Mastication or chewing is the process by which food is crushed and ground by teeth. It is the first step of digestion and it increases the surface area of foods to allow more efficient break down by enzymes....
, commonly known as chewing. There are two cusp
Cusp

Cusp may refer to:*Cusp , a singular point of a curve*Cusp form in modular form theory*Cuspidal representation, a generalization of cusp forms in the theory of automorphic representations...
s on maxillary second premolars, but both of them are less sharp then those of the maxillary first premolars.






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The maxillary second premolar is the tooth
Tooth

Teeth are small whitish structures found in the jaws of many vertebrates that are used to tear, scrape, and chew food. Some animals, particularly carnivores, also use teeth for hunting or defense....
 located laterally (away from the midline of the face
Face

The term face refers to the central sense organ complex, for those animals that have one, normally on the ventral surface of the head and can depending on the definition in the human case, include the hair, forehead, eyebrow, eyes, nose, ears, cheeks, mouth, lips, philtrum, tooth, skin, and chin....
) from both the maxillary first premolar
Maxillary first premolar

The maxillary first premolar is the tooth located laterally from both the maxillary canines of the mouth but mesial from both maxillary second premolars....
s of the mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
 but mesial (toward the midline of the face) from both maxillary first molar
Maxillary first molar

The maxillary first molar is the tooth located laterally from both the maxillary second premolars of the mouth but mesial from both maxillary second molars....
s. The function of this premolar
Premolar

The premolar teeth or bicuspids are transitional teeth located between the Canine_tooth and Molar_ teeth. In humans, there are two premolars per quadrant, making eight premolars total in the mouth....
 is similar to that of first molars in regard to grinding being the principle action during mastication
Mastication

Mastication or chewing is the process by which food is crushed and ground by teeth. It is the first step of digestion and it increases the surface area of foods to allow more efficient break down by enzymes....
, commonly known as chewing. There are two cusp
Cusp

Cusp may refer to:*Cusp , a singular point of a curve*Cusp form in modular form theory*Cuspidal representation, a generalization of cusp forms in the theory of automorphic representations...
s on maxillary second premolars, but both of them are less sharp then those of the maxillary first premolars. There are no deciduous
Deciduous teeth

Deciduous teeth, otherwise known as milk teeth, baby teeth, temporary teeth and primary teeth, are the first set of teeth in the growth development of humans and many other mammals....
 (baby) maxillary premolars. Instead, the teeth that precede the permanent
Permanent teeth

Permanent teeth are the second set of teeth formed in humans. There are thirty-two permanent teeth, consisting of six maxillary and six Mandible Molar , four maxillary and four mandibular premolar, two maxillary and two mandibular Canine tooths, four maxillary and four mandibular incisor....
 maxillary premolars are the deciduous maxillary molars.

In the universal system of notation
Universal numbering system (dental)

The Universal numbering system is a dental notation system for associating information to a specific tooth, and is commonly used in the USA.The designations "left" and "right" on the chart correspond to the patient's left and right, respectively....
, the permanent maxillary premolars are designated by a number. The right permanent maxillary second premolar is known as "4", and the left one is known as "13". In the Palmer notation
Palmer notation

Palmer notation is a system used by dentists to associate information to a specific tooth. Although supposedly superseded by the FDI World Dental Federation notation, it overwhelmingly continues to be the preferred method used by dental students and practitioners in the United Kingdom....
, a number is used in conjunction with a symbol designating in which quadrant the tooth is found. For this tooth, the left and right second premolars would have the same number, "5", but the right one would have the symbol, "+", underneath it, while the left one would have, "+". The international notation has a different numbering system than the previous two, and the right permanent maxillary second premolar is known as "15", and the left one is known as "25".