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Kennedy Classification Flashcards
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Kennedy Classification Flashcards

Created by
@AmicableNeodymium

Questions and Answers

__________________ is any tooth or dental implant that supports a dental prosthesis.

Abutment

___________________ is the portion of RPD that attaches the prosthesis to an abutment.

Retainer

List components of RPD:

Major connector, Minor connector, Rests, Direct retainer/clasp, Indirect retainer, Denture base and replacement teeth.

_________________ is the quality inherent in dental prosthesis acting to resist forces of dislodgement along the path of placement.

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

__________________ is the resistance to forces directed toward basal tissue or underlying structures.

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

___________________ is the quality of dental prosthesis to be firm, steady, or constant to resist displacement by functional horizontal or rotational stresses.

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

When are FIXED partial dentures contraindicated?

<p>Patients younger than 18 yo, excessively long edentulous span, loss of supporting tissues.</p> Signup and view all the answers

Indications for RPD:

<p>Long span edentulous areas, no abutment tooth posterior to edentulous space, reduced periodontal support for remaining teeth, need for cross-arch stabilization, excessive bone loss in edentulous areas, physical or emotional issues, esthetic concerns, immediate need to replace extracted teeth, patient preference, unfavorable jaw relationship.</p> Signup and view all the answers

Implants have (reduced/raised) the need for removable partial dentures in many cases, and (reduced/enhanced) the treatment options for partial denture patients.

<p>Reduced; Enhanced</p> Signup and view all the answers

Purpose of using Kennedy classification system:

<p>To visualize the type of arch we are restoring, distinguish between tooth-supported and tooth-tissue-supported prostheses, use classification as a guide to design.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Kennedy Class I.</p> Signup and view all the answers

Kennedy Class I:

<p>Bilateral edentulous areas located posterior to remaining natural teeth.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Kennedy Class II.</p> Signup and view all the answers

Kennedy Class II:

<p>Unilateral edentulous areas located posterior to remaining natural teeth.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Kennedy Class III.</p> Signup and view all the answers

Kennedy Class III:

<p>Unilateral edentulous area with adjacent natural teeth both anterior and posterior.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Kennedy Class IV.</p> Signup and view all the answers

Kennedy Class IV:

<p>Single bilateral edentulous area anterior to remaining teeth which crosses the midline.</p> Signup and view all the answers

Which Kennedy classification?

<p>Class I Mod 2.</p> Signup and view all the answers

Which Kennedy classification?

<p>Class I Mod I.</p> Signup and view all the answers

If extractions are to be performed, Kennedy classification should (follow/precede) extractions.

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

If a 3rd molar is missing and is not to be replaced, is it considered in Kennedy classification?

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

If a third molar is present and it is to be used as an abutment, is it considered in Kennedy classification?

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

If a 2nd molar is missing and is not to be replaced, is it considered in Kennedy classification?

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

_______________ edentulous areas determine the Kennedy classification.

<p>The most POSTERIOR</p> Signup and view all the answers

Edentulous areas other than those determining the classification are referred to as _________________.

<p>modification spaces</p> Signup and view all the answers

Is the extent of the modification space considered in Kennedy classification?

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

There can be NO modification areas in Class ______ arches.

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

Which Kennedy classification is this?

<p>Class I Mod 2.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class II Mod 1.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class III Mod 1.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class I Mod 1.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class II Mod 4.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class III Mod 1.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class II.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class II Mod 3.</p> Signup and view all the answers

Which Kennedy classification is this? (Not replacing the 2nd molars)

<p>Class III.</p> Signup and view all the answers

Which Kennedy classification is this?

<p>Class I.</p> Signup and view all the answers

Which Kennedy classification?

<p>Class I Mod 2.</p> Signup and view all the answers

Study Notes

Abutment and Retainer

  • An abutment is a tooth or dental implant supporting a dental prosthesis.
  • A retainer is the part of a removable partial denture (RPD) that connects the prosthesis to an abutment.

Components of RPD

  • Major connector: connects various parts of the RPD.
  • Minor connector: links the major connector to other components.
  • Rests: provide support and stability.
  • Direct retainer/clasp: secures the prosthesis to the abutment.
  • Indirect retainer: helps prevent the displacement of the prosthesis.
  • Denture base and replacement teeth: form the main structure of the denture.

Properties of Dental Prostheses

  • Retention: quality that resists dislodgement forces during placement.
  • Support: ability to resist forces directed toward basal tissue.
  • Stability: quality that prevents displacement from horizontal or rotational stresses.

Indications and Contraindications for RPD

  • Indications for RPD include:
    • Long span edentulous areas.
    • No posterior abutment tooth.
    • Reduced periodontal support.
    • Need for cross-arch stabilization.
    • Excessive bone loss.
    • Physical or emotional challenges.
    • Aesthetic concerns.
    • Urgent need to replace extracted teeth.
    • Patient preference.
    • Unfavorable jaw relationships.
  • Contraindications for fixed partial dentures include:
    • Patients under 18 (large pulp, insufficient crown height).
    • Excessively long edentulous spans.
    • Loss of supporting tissues.

Kennedy Classification System

  • Purpose:
    • Visualizes the arch being restored.
    • Distinguishes between tooth-supported and tooth-tissue-supported prostheses.
    • Guides design decisions.
  • Classification Types:
    • Class I: bilateral edentulous areas posterior to remaining teeth.
    • Class II: unilateral edentulous areas posterior to remaining teeth.
    • Class III: unilateral edentulous area with adjacent natural teeth both anterior and posterior.
    • Class IV: single bilateral edentulous area anterior to remaining teeth, crossing the midline (no modification space allowed).

Modifications and Third Molars

  • Modifications are additional edentulous areas apart from the primary classification.
  • The most posterior edentulous area determines the Kennedy classification.
  • If a third molar is absent and not to be replaced, it is not factored into the classification. If it is present and used as an abutment, it is included.
  • Class IV arches cannot have modification areas.

Additional Classifications and Notations

  • Classifications can have modifications (e.g., Class I mod 2, Class II mod 1), indicating the presence of additional edentulous spaces.
  • The extent of modification spaces does not affect the Kennedy classification.
  • Class II classifications do not cross the midline and can include various modifications based on the scenario.

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Description

Test your knowledge of the Kennedy classification system with these flashcards. This quiz covers key terms and components related to removable partial dentures (RPD) and their functions. Perfect for dental students and professionals looking to reinforce their understanding.

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