Dental Anatomy: Form and Function of Teeth

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Questions and Answers

What is the function of the central incisor?

  • Mastication and esthetic (correct)
  • Esthetic and growth of the jaws
  • Mastication and speaking
  • Speaking and growth of the jaws

Which tooth has the longest crown among all human teeth?

  • Mandibular first molar
  • Maxillary lateral incisor
  • Maxillary central incisor (correct)
  • Mandibular canine

Which aspect of the maxillary central incisor has trapezoidal outlines on the facial and lingual aspects?

  • Mesial and distal
  • Incisal outline
  • Cervical outline
  • Facial and lingual (correct)

Where are the contact areas located on the crown of the maxillary central incisor?

<p>Near the MI angle and near the junction of I &amp; M 1/3 (D)</p> Signup and view all the answers

Which aspect of the maxillary central incisor has a triangular outline with the base placed labially and apex lingually?

<p>Lingual aspect (D)</p> Signup and view all the answers

Which type of teeth are used for cutting food and have a single cusp?

<p>Canines (A)</p> Signup and view all the answers

How many maxillary incisors are there in total?

<p>Four (C)</p> Signup and view all the answers

What is the function of premolars in the dental arch?

<p>Crushing and grinding food (A)</p> Signup and view all the answers

Which teeth are used for cutting and slicing food into smaller pieces?

<p>Incisors (B)</p> Signup and view all the answers

In the context of tooth identification systems, what does 'C' represent?

<p>Canines (C)</p> Signup and view all the answers

What is the function of the maxillary central incisor?

<p>Mastication and esthetic (A)</p> Signup and view all the answers

Which aspect of the maxillary central incisor has trapezoidal outlines on the facial and lingual aspects?

<p>Facial (C)</p> Signup and view all the answers

Where are the contact areas located on the crown of the maxillary central incisor?

<p>Near the MI angle (A)</p> Signup and view all the answers

Which tooth has the longest crown among all human teeth?

<p>Maxillary central incisor (C)</p> Signup and view all the answers

What is the geometric outline of the crown on the lingual aspect of the maxillary central incisor?

<p>Convex incisally (A)</p> Signup and view all the answers

What is the function of permanent premolars in the dental arch?

<p>Cutting and slicing food into smaller pieces (A)</p> Signup and view all the answers

In the context of tooth identification systems, what does 'P' represent?

<p>Premolars (B)</p> Signup and view all the answers

Which tooth has the longest crown among all human teeth?

<p>Maxillary first molar (D)</p> Signup and view all the answers

What is the function of the central incisor?

<p>Cutting and slicing food into smaller pieces (C)</p> Signup and view all the answers

Where are the contact areas located on the crown of the maxillary central incisor?

<p>Incisal third (C)</p> Signup and view all the answers

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Study Notes

Functions of Teeth

  • The central incisor is used for cutting food.
  • Premolars are used for crushing and tearing food in the dental arch.

Characteristics of Maxillary Central Incisor

  • The maxillary central incisor has a triangular outline with the base placed labially and apex lingually on the proximal aspect.
  • The facial and lingual aspects of the maxillary central incisor have trapezoidal outlines.
  • The contact areas are located on the mesial and distal surfaces of the crown.
  • The lingual aspect of the maxillary central incisor has a triangular geometric outline.

Tooth Identification

  • In tooth identification systems, 'C' represents canines and 'P' represents premolars.

Tooth Characteristics

  • The maxillary central incisor has the longest crown among all human teeth.
  • The maxillary central incisor is a type of incisor, which has a single cusp and is used for cutting food.
  • There are a total of 8 maxillary incisors (4 upper and 4 lower).

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