Removable Partial Dentures Class 3
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Questions and Answers

What is the term used to describe the tissues that serve as the foundation for removable partial or complete dentures?

  • Denture supporting structures (correct)
  • Dental implant
  • Abutment
  • Residual ridges
  • What is the purpose of a diagnostic cast?

  • To provide support to the dental prosthesis
  • For the purpose of study and treatment planning (correct)
  • To create a temporary denture
  • To enhance esthetics
  • What is the location of the angle of gingival convergence on the abutment tooth?

  • Apical to the height of contour (correct)
  • Incisal to the height of contour
  • Cervical to the height of contour
  • At the height of contour
  • What is the term used to describe the quality of a complete or removable partial denture to resist displacement by functional horizontal or rotational stresses?

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

    What is the term used to describe the quality inherent in the dental prosthesis acting to resist the forces of dislodgment along the path of placement?

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

    What is the primary function of guiding planes in a removable partial denture?

    <p>To contribute to the direction of the path of placement and removal</p> Signup and view all the answers

    What is the term used to describe a fixed or removable dental prosthesis designed to enhance esthetics and function for a limited period of time?

    <p>Interim denture</p> Signup and view all the answers

    What type of edentulous area is bounded and supported by natural teeth at both ends?

    <p>Bounded edentulous area</p> Signup and view all the answers

    What is the name of the removable partial denture that is supported by natural teeth at one end?

    <p>Free-end extension RPD</p> Signup and view all the answers

    What is the term used to describe a tooth, a portion of a tooth, or that portion of a dental implant that serves to support and/or retain a prosthesis?

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

    What is the term used to describe a line encircling a tooth and designating its greatest circumference at a selected axial position determined by a dental surveyor?

    <p>Height of contour</p> Signup and view all the answers

    What is the theoretical line around which the RPD tends to rotate?

    <p>Fulcrum line of rotation</p> Signup and view all the answers

    What is the term used to describe the portion of the surface of an object that is below the height of contour in relationship to the path of placement?

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

    What is the part of a denture that rests on the foundation tissues and to which teeth are attached?

    <p>Saddle or denture bases</p> Signup and view all the answers

    What is the term for any type of device used for the stabilization or retention of a prosthesis?

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

    What is the sequence of procedures planned for the treatment of a patient after diagnosis?

    <p>Treatment plan</p> Signup and view all the answers

    Study Notes

    Removable Partial Dentures

    • Denture supporting structures: teeth and/or residual ridges that serve as the foundation for removable partial or complete dentures.

    Diagnostic Cast

    • A life-size reproduction of a part or parts of the oral cavity and/or facial structures for the purpose of study and treatment planning.

    Key Terms

    • Support: the foundation area on which a dental prosthesis rests; resistance to forces directed toward the basal tissue or underlying structures.
    • Retention: the quality inherent in the dental prosthesis acting to resist the forces of dislodgment along the path of placement.
    • Interim denture: a fixed or removable dental prosthesis designed to enhance esthetics and function for a limited period of time.
    • Abutment: a tooth, a portion of a tooth, or that portion of a dental implant that serves to support and/or retain prosthesis.

    Tooth Anatomy

    • Height of contour: a line encircling a tooth and designating its greatest circumference at a selected axial position determined by a dental surveyor.
    • Undercut: the portion of the surface of an object that is below the height of contour in relationship to the path of placement.
    • Angle of gingival convergence: the angle formed by the tooth surface gingival to the survey line and the analyzing rod or undercut gauge of a surveyor as it contacts the height of contour.

    Removable Partial Denture

    • Path of insertion: the specific direction in which prosthesis is placed on the residual alveolar ridge, abutment teeth, dental implant abutment(s), or attachments.
    • Guiding planes: two or more vertically parallel surfaces on abutment teeth and/or fixed dental prostheses oriented so as to contribute to the direction of the path of placement and removal of a removable partial denture.
    • Bounded edentulous area: an edentulous area that is bounded and supported by natural teeth at both ends.
    • Free-end edentulous area: an edentulous area that is bounded and supported by natural teeth at one end.
    • Extension base or free end extension RPD: a removable partial denture that is supported and retained by natural teeth only at one end of the denture base segment and in which a portion of the functional load is carried by the residual ridge.
    • Fulcrum line of rotation: a theoretical line around which the RPD tends to rotate.
    • Saddle or denture bases: the part of a denture that rests on the foundation tissues and to which teeth are attached.
    • Basal seat or denture foundation area: the oral anatomy available to support a denture.
    • Retainer: any type of device used for the stabilization or retention of prosthesis.
    • Treatment plan: the sequence of procedures planned for the treatment of a patient after diagnosis.

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    Description

    This quiz covers the introduction to removable partial dentures, including denture supporting structures and diagnostic casts. Learn about the foundation areas for dental prosthetics and more.

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