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  2. Mandibular second molar - Wikipedia

    en.wikipedia.org/wiki/Mandibular_second_molar

    In the universal system of notation, the permanent mandibular second molars are designated by a number. The right permanent mandibular second molar is known as "31", and the left one is known as "18". In the Palmer notation, a number is used in conjunction with a symbol designating in which quadrant the tooth is found. For this tooth, the left ...

  3. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    The most common cause of tooth impaction is lack of space in the mouth for the tooth. [70] Other causes may be tumors, cysts, trauma, and thickened bone or soft tissue. Tooth ankylosis occurs when the tooth has already erupted into the mouth but the cementum or dentin has fused with the alveolar bone. This may cause a person to retain their ...

  4. Dental anatomy - Wikipedia

    en.wikipedia.org/wiki/Dental_anatomy

    For permanent teeth, the upper right teeth begin with the number, "1". The upper left teeth begin with the number, "2". The lower left teeth begin with the number, "3". The lower right teeth begin with the number, "4". For primary teeth, the sequence of numbers goes 5, 6, 7, and 8 for the teeth in the upper right, upper left, lower left, and ...

  5. Universal Numbering System - Wikipedia

    en.wikipedia.org/wiki/Universal_Numbering_System

    Universal numbering system. This is a dental practitioner view, so tooth number 1, the rear upper tooth on the patient's right, appears on the left of the chart. The Universal Numbering System, sometimes called the "American System", is a dental notation system commonly used in the United States. [1] [2]

  6. Molar (tooth) - Wikipedia

    en.wikipedia.org/wiki/Molar_(tooth)

    The molars or molar teeth are large, flat teeth at the back of the mouth. They are more developed in mammals. They are used primarily to grind food during chewing. The name molar derives from Latin, molaris dens, meaning "millstone tooth", from mola, millstone and dens, tooth. Molars show a great deal of diversity in size and shape across the ...

  7. File:Human tooth diagram-en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Human_tooth_diagram...

    Human tooth diagram-en.svg from Wikimedia Commons; License: Creative Commons Attribution-ShareAlike 4.0; Credit line example: "Human tooth diagram-en.svg from Wikimedia Commons by K. D. Schroeder, CC-BY-SA 4.0" A statement such as "From Wikimedia Commons" or similar is not by itself sufficient. If you do not provide clear attribution to the ...

  8. Incisor - Wikipedia

    en.wikipedia.org/wiki/Incisor

    Children with a full set of deciduous teeth (primary teeth) also have eight incisors, named the same way as in permanent teeth. Young children may have from zero to eight incisors depending on the stage of their tooth eruption and tooth development. Typically, the mandibular central incisors erupt first, followed by the maxillary central ...

  9. Dentition - Wikipedia

    en.wikipedia.org/wiki/Dentition

    Cast of a human upper jaw showing incisors, canines, premolars, and two of the three possible sets of molars. Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, kind, and number of teeth in a given species at a given age. [1]