Dental anatomy of permanent dentition

  • What is the anatomy of the permanent dentition?

    The permanent dentition is composed of 32 teeth with 16 in each arch.
    There are eight teeth in each quadrant, composed of two incisors (central and lateral), a canine, two premolars, and three molars.
    These teeth are referred to as numbers, 1 (central incisor) to 8 (3rd molar or 'wisdom' tooth)..

  • What is the physiology of the permanent dentition?

    The deciduous teeth eventually exfoliate and are replaced by 32 permanent teeth: 16 in the maxilla and 16 in the mandible.
    Permanent teeth are classified as incisors, canines, premolars, and molars, while primary teeth do not include premolars..

  • Among permanent teeth, 16 are found in the maxilla and 16 in the mandible, for a total of 32.
    The dental formula is 2.1.2.32.1.2.3.
    Permanent human teeth are numbered in a boustrophedonic sequence.
  • Each permanent tooth consists of a crown and root (see Figure 6).
    The crown is the part of the tooth that is visible in the oral cavity, while the root is the portion that is firmly embedded in the alveolar bone.
    The crown and root join at a surface called cementoenamel junction (CEJ) [1].
The permanent dentition is composed of 32 teeth with 16 in each arch. There are eight teeth in each quadrant, composed of two incisors (central and lateral), a canine, two premolars, and three molars. These teeth are referred to as numbers, 1 (central incisor) to 8 (3rd molar or 'wisdom' tooth).
The permanent dentition is comprised of 32 teeth. There are 16 teeth in the maxilla and 16 in the mandible. In each arch there are two central incisors, two lateral incisors, two canines, four premolars, and six molars.

What is the difference between permanent and primary teeth?

Permanent teeth are classified as incisors, canines, premolars, and molars, while primary teeth do not include premolars

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What is the structure of teeth?

These can be divided down the midline (mid-sagittal plane) into left and right halves

Teeth are positioned in alveolar sockets and connected to the bone by a suspensory periodontal ligament

In this article, we shall look at the structure of teeth, identifying teeth, and primary vs permanent dentition


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