DentistryLesson 1 of 1 in the course Oral anatomy and tooth structure

Tooth Development, Notation, Anatomy, and Tooth Classes

5 flashcards · 5 quiz questions · 5 match pairs · 5 fill-in sentences · English

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Summary

Dental anatomy studies the structure, development, appearance, and classification of human teeth. Understanding how teeth form provides a foundation for recognizing healthy structures and supporting dental treatment.

Dental anatomy is the field devoted to the study of human tooth structures, including their development, appearance, and classification. Naming teeth and their component structures has a practical purpose: it allows dental professionals to communicate precisely when examining and treating patients. The function of teeth as they meet one another is studied under dental occlusion.

All flashcards

Clinical crown
The portion of a tooth visible in the mouth.
Cingulum
A convex, girdle-like area on the lingual surface of an anterior tooth, near the cervical third.
Universal numbering system
A tooth-identification system using numbers 1–32 for permanent teeth and letters A–T for primary teeth.
Enamel organ
A tooth-bud component that gives rise to enamel-producing ameloblasts and reduced enamel epithelium.
Permanent maxillary central incisor
The widest anterior tooth mesiodistally.

Quiz questions

  1. In FDI notation, what does the permanent-tooth number 24 identify?Answer: The upper-left first premolar.
  2. Which tooth is designated number 17 in the Universal numbering system?Answer: The lower-left third molar.
  3. What is the clinical crown of a tooth?Answer: The portion visible in the mouth.
  4. How many cusps does a mandibular first molar usually have?Answer: Five: two buccal, two lingual, and one distal.
  5. Which feature is typical of a mandibular second premolar?Answer: It often has one buccal cusp and two functional lingual cusps.

Based on the Wikipedia article Dental anatomy, licensed CC BY-SA 4.0. Adapted into a summary, flashcards and quizzes.

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