Recent

  • Show all results for ""
Cavity Classification and Preparation Quiz
28 Questions
100 Views

Cavity Classification and Preparation Quiz

Created by
@SkilledAzalea

Questions and Answers

What is Class I cavity?

  • Developmental cavities in pit and fissures of teeth located in occlusal surfaces of posterior teeth (correct)
  • Cervical third of the facial or lingual surface of the tooth
  • Proximal surfaces on the posterior teeth
  • Interproximal surface of anterior teeth

    • What is Class II cavity?

  • Cavity involving three or more surfaces of the tooth
  • Interproximal surface of anterior teeth
  • Proximal surfaces on the posterior teeth (correct)
  • Cervical third of the facial or lingual surface of the tooth

    • What does Class III cavity involve?

  • Buccal or lingual pits on the molars
  • Cervical third of the facial surface
  • Occlusal surfaces of the posterior teeth
  • Interproximal surface of anterior teeth (correct)

    • What distinguishes Class IV cavity?

    <p>Interproximal surface of anterior teeth and includes the incisal edge</p> Signup and view all the answers

    What area does Class V cavity affect?

    <p>The cervical third of the facial or lingual surface of the tooth</p> Signup and view all the answers

    What does Class VI cavity refer to?

    <p>Not part of the original standard classification, involves incisal or occlusal surface worn away from abrasion</p> Signup and view all the answers

    What defines a simple cavity?

    <p>Involves one surface of the tooth</p> Signup and view all the answers

    What defines a compound cavity?

    <p>Involves two surfaces of the tooth</p> Signup and view all the answers

    What defines a complex cavity?

    <p>Involves three or more surfaces of the tooth</p> Signup and view all the answers

    List the elements of cavity preparations.

    <p>Outline form, resistance form, retention form, convenience form, finishing or refinement, cleansing or debridement</p> Signup and view all the answers

    What does the preparation of the tooth form?

    <p>Walls, lines, and angles</p> Signup and view all the answers

    What is a wall in cavity preparation?

    <p>The side or floor of the cavity preparation</p> Signup and view all the answers

    What are the types of walls in a cavity prep?

    <p>Buccal, lingual, gingival, pulpal, axial</p> Signup and view all the answers

    What defines a cavity wall?

    <p>Side or surface of tooth prepared for restoration</p> Signup and view all the answers

    What is an internal wall?

    <p>Cavity wall that does not extend to the external tooth surfaces</p> Signup and view all the answers

    What is the external wall?

    <p>Portion of the tooth preparation that extends to the external tooth surface</p> Signup and view all the answers

    What is the axial wall?

    <p>Internal wall of prepared tooth that runs along the long axis of the tooth</p> Signup and view all the answers

    What is the pulpal wall?

    <p>Internal wall of prepared tooth that is perpendicular to the long axis of the tooth</p> Signup and view all the answers

    What are line angles?

    <p>Junction of 2 walls in a cavity prep</p> Signup and view all the answers

    What are point angles?

    <p>Corners of the cavity preparation, junction of 3 walls in a cavity prep</p> Signup and view all the answers

    What is the cavosurface margin?

    <p>Angle formed by the junction of the wall of the preparation and the untouched surface of the tooth</p> Signup and view all the answers

    What is the outline form?

    <p>Designates the overall shape of the cavity preparation</p> Signup and view all the answers

    What is resistance form?

    <p>Internal shape of the cavity that protects the tooth and the restoration from the stresses of mastication</p> Signup and view all the answers

    What is retention form?

    <p>Internal shape of the cavity preparation that retains the restoration</p> Signup and view all the answers

    What is convenience form?

    <p>Also considered the access form, alteration necessary for instrumentation during the preparation</p> Signup and view all the answers

    What is the removal of carious dentin?

    <p>Cutting of tooth structure and dentin to remove caries</p> Signup and view all the answers

    What is the finishing or refinement of the cavity preparation?

    <p>Final planing of the cavity walls before the placement of the restoration</p> Signup and view all the answers

    What is cleansing or debridement?

    <p>Spraying and rinsing of the cavity preparation to remove debris</p> Signup and view all the answers

    Study Notes

    Cavity Classification

    • Class I: Developmental cavities found in pits and fissures on occlusal surfaces of posterior teeth, molars' buccal or lingual pits, and lingual pits of maxillary incisors.
    • Class II: Cavities located on the proximal surfaces of posterior teeth.
    • Class III: Cavities affecting interproximal surfaces of anterior teeth.
    • Class IV: Similar to Class III but also involves the incisal edge of anterior teeth.
    • Class V: Cavities on the cervical third of facial or lingual surfaces, often due to sweet consumption.
    • Class VI: Not part of original classifications; identifies cavities on incisal or occlusal surfaces due to abrasion.

    Cavity Types

    • Simple Cavity: Involves one tooth surface.
    • Compound Cavity: Involves two surfaces of a tooth.
    • Complex Cavity: Involves three or more surfaces of a tooth.

    Elements of Cavity Preparations

    • Include outline form, resistance form, retention form, convenience form, finishing/refinement, and cleansing/debridement.
    • All elements are essential during cavity prep.

    Tooth Preparation Forms

    • Builds walls, lines, and angles in the cavity.

    Walls of Cavity Preparation

    • Defined as sides or floors of the cavity, named after adjacent tooth surfaces:
      • Axial Wall: Runs parallel to the tooth's long axis.
      • Pulpal Wall: Also known as the pulpal floor, is perpendicular to the long axis.
      • Gingival Wall: Nearest to the gingiva, perpendicular to the long axis.
    • Internal Wall: Does not extend to external tooth surfaces.
    • External Wall: Extends to the tooth's external surface, named by the surface it involves.

    Cavity Structure

    • Line Angles: Junctions of two walls in cavity prep.
    • Point Angles: "Corners" formed by the junction of three walls.
    • Cavosurface Margin: Angle formed where cavity walls meet unprepared tooth surface; critical for preventing leakage.

    Cavity Preparation Forms

    • Outline Form: Overall shape determined by decay extent and restorative material, stays within cavosurface margin.
    • Resistance Form: Internal shape protects from masticatory stresses; involves shape and placement of walls.
    • Retention Form: Shape that retains restoration; often includes undercutting walls for mechanical locking in amalgam preparations.
    • Convenience Form: Access form necessary for instrumentation and restoration placement, often expanding beyond outline form.

    Removal of Carious Dentin

    • Involves cutting tooth structure using instruments like enamel hatchets, chisels, and spoon excavators.

    Final Cavity Preparation Steps

    • Finishing/Refinement: Final planning of cavity walls before restoration.
    • Cleansing/Debridement: Removal of debris through spraying and rinsing, typically using high-volume evacuation and air/water syringes.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge on cavity classifications, including Class I through VI, and the characteristics of simple, compound, and complex cavities. Additionally, explore the elements involved in cavity preparations. Perfect for dental students and practitioners alike!

    More Quizzes Like This

    G.V. Black's Cavity Classification Quiz
    12 questions

    G.V. Black's Cavity Classification Quiz

    ExceedingSodalite avatar
    ExceedingSodalite
    Dental Caries Classification Flashcards
    6 questions

    Dental Caries Classification Flashcards

    WholesomeVibrance avatar
    WholesomeVibrance
    Cavity Classification Quiz
    32 questions

    Cavity Classification Quiz

    LoyalLanthanum avatar
    LoyalLanthanum
    Dental Anatomy Class II Amalgam Preparation
    54 questions

    Dental Anatomy Class II Amalgam Preparation

    CleanHolly avatar
    CleanHolly
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser