Prosthodontics Anatomy
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Questions and Answers

What is one of the factors that affects the amount of displacement of tissue?

  • The amount of pressure applied (correct)
  • The patient's age
  • The moisture level of the mouth
  • The type of instrument used

    • What determines the amount of tissue displacement?

  • The amount of pressure applied and the nature of the mucosa (correct)
  • The type of anaesthesia used
  • The nature of the mucosa and the patient's age
  • The amount of pressure applied and the type of instrument used

    • What is not a factor that affects tissue displacement?

  • The type of instrument used (correct)
  • The patient's medical history
  • The amount of pressure applied
  • The nature of the mucosa

    • What characteristic of the mucosa affects tissue displacement?

    <p>Its thickness</p> Signup and view all the answers

    What two factors are responsible for tissue displacement?

    <p>The amount of pressure applied and the nature of the mucosa</p> Signup and view all the answers

    What is shown in the original mandibular cast?

    <p>Left residual ridge area</p> Signup and view all the answers

    What is outlined in the buccal shelf region?

    <p>Buccal shelf region</p> Signup and view all the answers

    What form is the left residual ridge area recorded in?

    <p>Anatomic form</p> Signup and view all the answers

    What is the location of the residual ridge area shown?

    <p>Left side of the mandible</p> Signup and view all the answers

    What is the Figure A showing?

    <p>Original mandibular cast</p> Signup and view all the answers

    What is enhanced when there is intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

    <p>Distal extension base</p> Signup and view all the answers

    What is the purpose of achieving intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

    <p>To enhance the distal extension base</p> Signup and view all the answers

    What is the result of increased intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

    <p>Enhanced distal extension base</p> Signup and view all the answers

    What is affected by the intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge?

    <p>Distal extension base</p> Signup and view all the answers

    What promotes the effectiveness of the distal extension base?

    <p>Intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge</p> Signup and view all the answers

    What is an effect of the direction and magnitude of the occlusal load on the removable partial denture?

    <p>It increases the load transferred to the abutments</p> Signup and view all the answers

    What is a consequence of the load transferred to the abutments?

    <p>Increased tissue displacement</p> Signup and view all the answers

    What happens to the occlusal load when it is transferred to the removable partial denture?

    <p>It is reduced and concentrated on the removable partial denture</p> Signup and view all the answers

    What is a factor that influences the direction of the occlusal load on the removable partial denture?

    <p>The shape of the surrounding teeth</p> Signup and view all the answers

    What is a result of the load transferred to the abutments?

    <p>Tissue displacement and possible damage</p> Signup and view all the answers

    What is the primary consideration when evaluating the residual ridge bone?

    <p>The direction of stresses it will be subjected to</p> Signup and view all the answers

    What is the relationship between the residual ridge bone and the direction of stresses?

    <p>The residual ridge bone is at an angle to the direction of stresses</p> Signup and view all the answers

    Why is it important to consider the positional relationship between the residual ridge bone and the direction of stresses?

    <p>To assess the bone's ability to withstand forces</p> Signup and view all the answers

    What is affected by the direction of stresses on the residual ridge bone?

    <p>The bone's ability to withstand forces</p> Signup and view all the answers

    Why is the nature of the residual ridge bone important in dentistry?

    <p>It affects the bone's ability to withstand forces</p> Signup and view all the answers

    Study Notes

    Factors Affecting Displacement

    • Amount of displacement depends on the amount of pressure applied
    • Amount of displacement depends on the nature of the mucosa (thickness)

    Anatomic and Functional Ridge Forms

    • Original mandibular cast shows the residual ridge area recorded in its anatomic form
    • Buccal shelf region is outlined in the mandibular cast

    Distal Extension Base

    • Enhanced by intimacy of contact between the tissue surface of the base and the tissue that covers the residual ridge
    • Affects the direction and magnitude of the occlusal load to the removable partial denture
    • Affects the load transferred to the abutments

    Residual Ridge Bone

    • Nature of the residual ridge bone is a factor in displacement
    • Positional relationship of the residual ridge bone to the direction of stresses that will be placed on it

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    Quiz Team

    Description

    This quiz covers factors affecting displacement, anatomic and functional ridge forms, and distal extension base in prosthodontics anatomy.

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