Dental Terminology Quiz
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Questions and Answers

What is the term used to describe the relationship between the upper and lower teeth when they come together?

  • Occlusion (correct)
  • Ankylosis
  • Malocclusion
  • Attrition
  • What occurs during root resorption in the context of tooth eruption?

  • Deciduous teeth become embedded in bone
  • Permanent teeth press against and resorb the roots of deciduous teeth (correct)
  • New teeth grow in place of old teeth
  • Teeth fall out naturally
  • Which term best describes a misalignment of the dental arches when jaws close?

  • Shedding
  • Occlusion
  • Attrition
  • Malocclusion (correct)
  • What is the process of natural elimination of deciduous teeth known as?

    <p>Shedding</p> Signup and view all the answers

    Which of the following is NOT a potential problem associated with ankylosis?

    <p>Congenital absence of teeth</p> Signup and view all the answers

    What describes teeth that do not erupt due to a missing tooth bud?

    <p>Congenitally missing teeth</p> Signup and view all the answers

    Which condition describes a tooth that does not fully erupt and remains in bone or soft tissue?

    <p>Impacted teeth</p> Signup and view all the answers

    What is dental erosion primarily caused by?

    <p>Chemical dissolution by acids from non-bacterial sources</p> Signup and view all the answers

    What type of tooth structure loss is primarily caused by mechanical forces from a foreign element?

    <p>Abrasion</p> Signup and view all the answers

    Which area of the tooth is particularly vulnerable to rapid abrasion due to the thin enamel?

    <p>Cementoenamel junction</p> Signup and view all the answers

    Which teeth are most commonly affected by abrasion?

    <p>Premolars and canines</p> Signup and view all the answers

    What is a diastema?

    <p>An open space between the upper incisors</p> Signup and view all the answers

    What does overjet measure in dental terminology?

    <p>The horizontal overlap of the maxillary incisors over the mandibular incisors</p> Signup and view all the answers

    Study Notes

    Occlusion

    • The relationship between the upper and lower teeth when they come together, like during chewing.
    • A misalignment or incorrect relationship between the teeth when they come together is called malocclusion.

    Occlusal Plane

    • Develops as teeth erupt and meet their counterparts in the opposite arch.

    Tooth Eruption

    • The process of a tooth moving from its location within the jawbone into its functional position in the mouth.

    Root Resorption

    • The process of the roots of baby teeth being absorbed by special cells as permanent teeth erupt.

    Shedding

    • The natural loss of baby teeth due to root resorption.

    Posterior Teeth

    • Found in the back of the mouth.

    Ankylosis

    • A condition where the roots of primary teeth become fused directly to the bone.
    • Can be caused by problems with bone growth, injury to the periodontal ligaments, or other factors.
    • Possible problems:
      • Submerged tooth: The tooth doesn't erupt normally and appears sunken.
      • Malpositioning: Teeth adjacent to the submerged tooth may be misaligned and the opposing tooth may super-erupt (erupt excessively).
      • Delayed eruption: Of permanent teeth.

    Impacted Teeth

    • Teeth that don't erupt completely and remain in bone or soft tissue.

    Congenitally Missing Tooth

    • A tooth that never erupts because a tooth bud never developed.
    • Often occurs with lateral incisors, second premolars, and third molars.

    Attrition

    • The wearing away of tooth structure due to the grinding of opposing teeth during chewing.

    Dental Erosion

    • The irreversible loss of tooth structure due to chemical dissolution by acids (not caused by bacteria).
    • Can affect enamel and dentin.

    Abrasion

    • The loss of tooth structure due to mechanical force from a foreign object.
    • Often caused by excessive brushing, toothpicks, or other objects.
    • Can cause a V-shaped appearance.
    • Most commonly affects premolars and canines.

    Primate Spaces

    • Open spaces found in baby teeth:
      • Between the canine and lateral incisor in the upper jaw.
      • Between the canine and the first molar in the lower jaw.

    Diastema

    • An open space between the upper front teeth.

    Overjet

    • The horizontal overlap of the upper front teeth over the lower front teeth.

    Overbite

    • The vertical overlap of the upper front teeth over the lower front teeth.

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    Dental Terminology PDF

    Description

    Test your knowledge of important dental terms and concepts related to occlusion, tooth eruption, and malocclusion. This quiz covers essential definitions and conditions that impact dental health, including root resorption and ankylosis. Perfect for students and professionals in dentistry or dental hygiene.

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