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Dental Anatomy and Physiology Flashcards

6 cards from real DANB CDA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Dental Anatomy and Physiology flashcards as text

  1. How many permanent teeth does a complete adult dentition contain?

    Answer: 32

    A complete adult dentition contains 32 permanent teeth: 8 incisors, 4 canines, 8 premolars, and 12 molars (including 4 wisdom teeth).

  2. What is the hardest substance in the human body?

    Answer: Tooth enamel

    Tooth enamel is the hardest substance in the human body, composed of approximately 96% hydroxyapatite mineral, making it even harder than bone.

  3. Which tooth surface faces the tongue?

    Answer: Lingual

    The lingual surface is the tooth surface facing the tongue. The term comes from 'lingua,' the Latin word for tongue.

  4. What is the function of the periodontal ligament?

    Answer: To anchor the tooth root to the alveolar bone

    The periodontal ligament (PDL) is a group of specialized connective tissue fibers that attach the tooth root cementum to the alveolar bone, providing support and slight mobility.

  5. What is the universal numbering system designation for the upper right third molar?

    Answer: Tooth #1

    In the universal numbering system, numbering starts with the upper right third molar as tooth #1 and proceeds around the arch to the upper left third molar (#16), then continues to the lower left third molar (#17) through the lower right third molar (#32).

  6. Which type of tooth is primarily designed for tearing food?

    Answer: Canines

    Canines (cuspids) have a single pointed cusp designed for tearing and piercing food. Their position and shape make them ideal for gripping and tearing.

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