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The maxillary central incisor is a human tooth in the front upper jaw, or maxilla, ... The pulp is the location of the nerve and blood supply of a tooth.
maxillary lateral incisor (upper jaw, beside the maxillary central incisor) mandibular central incisor (lower jaw, closest to the center of the lips) mandibular lateral incisor (lower jaw, beside the mandibular central incisor) Children with a full set of deciduous teeth (primary teeth) also have eight incisors, named the same way as in ...
The maxillary teeth are the maxillary central incisors (teeth 8 and 9 in the diagram), maxillary lateral incisors (7 and 10), maxillary canines (6 and 11), maxillary first premolars (5 and 12), maxillary second premolars (4 and 13), maxillary first molars (3 and 14), maxillary second molars (2 and 15), and maxillary third molars (1 and 16).
The mandibular central incisor is the tooth located on the jaw, adjacent to the midline of the face. It is mesial (toward the midline of the face) from both mandibular lateral incisors . As with all incisors , its function includes shearing or cutting food during mastication , commonly known as chewing.
Primary dentition starts on the arrival of the mandibular central incisors, usually at eight months, and lasts until the first permanent molars appear in the mouth, usually at six years. [44] The primary teeth typically erupt in the following order: (1) central incisor, (2) lateral incisor, (3) first molar, (4) canine, and (5) second molar. [45]
In 1891, Victor Haderup devised a variant of eight tooth quadrant system in which plus (+) and minus (-) were used to differentiate between upper and lower quadrants, and between right and left quadrants (e.g., +1 = upper right central incisor; 1- = lower left central incisor). Primary teeth were numbered as upper right (05+ to 01+), lower left ...
Central incisor 5/6 1.5 months after birth Lateral incisor 2/3 2.5 months after birth Canine 1/3 9 months after birth 1st molar Cusps united; occlusal completely calcified and 1/2 to 3/4 crown height 6 months after birth 2nd molar Cusps united; occlusal incompletely calcified; calcified tissue covers 1/5 to 1⁄4 crown height 11 months after birth
The primary teeth are made up of central incisors, lateral incisors, canines, first molars, and second molars; there is one in each quadrant, making a total of four of each tooth. All of these are gradually replaced by similarly named permanent counterparts except for the primary first and second molars; they are replaced by premolars .