Periodontics Single-Ended Instruments
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Questions and Answers

What is a primary function of instruments with extended lower shanks?

  • They can access the middle- and apical-third of the root surface. (correct)
  • They are only suitable for use on the coronal surface.
  • They replace the need for single-ended instruments.
  • They are designed for surface cleaning only.

Which characteristic must be determined to classify a shank?

  • The type of handle material.
  • The thickness of the instrument blade.
  • The color of the instrument coating.
  • Whether the shank is simple or complex. (correct)

Which element is NOT a recognized characteristic of the shank?

  • Functional shank.
  • Shank flexibility.
  • Shank length variation. (correct)
  • Extended lower shank.

What type of instruments are periodontal instruments like periodontal probes classified as?

<p>Single-ended instruments. (D)</p> Signup and view all the answers

What primary function does the lower shank of a periodontal instrument serve?

<p>To facilitate access to different areas of the root. (C)</p> Signup and view all the answers

What is the primary purpose of a periodontal probe?

<p>Evaluating the health of periodontal tissues (A)</p> Signup and view all the answers

What design characteristic differentiates a sickle scaler from other periodontal instruments?

<p>Triangular cross section (B)</p> Signup and view all the answers

Which instrument is best suited for removing large calculus deposits?

<p>Periodontal file (A)</p> Signup and view all the answers

What type of cross section does an explorer have?

<p>Circular (B)</p> Signup and view all the answers

What feature distinguishes a curet?

<p>Rounded toe (C)</p> Signup and view all the answers

In the context of periodontal instruments, what does an instrument's design primarily influence?

<p>The function of the working-end (D)</p> Signup and view all the answers

Which of the following statements is true regarding sickle scalers?

<p>They have a pointed back. (A)</p> Signup and view all the answers

What is the main function of a curet in periodontal treatment?

<p>Removing calculus deposits (B)</p> Signup and view all the answers

What is a defining characteristic of the working-end of a sickle scaler?

<p>Triangular and pointed (B)</p> Signup and view all the answers

What is NOT a use for a periodontal explorer?

<p>Evaluating periodontal tissue health (C)</p> Signup and view all the answers

What type of shank is most suitable for removing heavy calculus deposits?

<p>Rigid shank (A)</p> Signup and view all the answers

Which characteristic of a flexible shank enhances tactile feedback for the clinician?

<p>Vibration transmission (A)</p> Signup and view all the answers

What is the definition of the functional shank?

<p>The portion that helps to adapt the working-end to the tooth (B)</p> Signup and view all the answers

For which use is a simple shank with a long functional length designed?

<p>Subgingival use on anterior teeth (A)</p> Signup and view all the answers

Which of the following statements about the lower shank is accurate?

<p>It is also known as the terminal shank. (B)</p> Signup and view all the answers

What type of instrument is preferred when working on subgingival areas of posterior teeth?

<p>Complex shank with long functional length (A)</p> Signup and view all the answers

What is the primary reason for using a flexible shank during dental procedures?

<p>To enhance tactile sensitivity (C)</p> Signup and view all the answers

In the context of dental instruments, what does 'extended lower shank' refer to?

<p>A longer version of the lower shank for deeper pockets (C)</p> Signup and view all the answers

Which of the following is true regarding vibrations and flexible shank instruments?

<p>Vibrations are created from the working-end during use. (D)</p> Signup and view all the answers

What distinguishes the functional shank from the lower shank?

<p>The functional shank extends from the working-end to the last bend. (A)</p> Signup and view all the answers

What is a key characteristic of ergonomic instrument design?

<p>Prevention of musculoskeletal injury (D)</p> Signup and view all the answers

Which handle design characteristic helps reduce the risk of carpal tunnel syndrome?

<p>Larger handle diameter (B)</p> Signup and view all the answers

Which handle design should be avoided to prevent strain during instrumentation?

<p>Small diameter handle (B)</p> Signup and view all the answers

How is a periodontal instrument considered balanced?

<p>If the working-ends are aligned with the long axis of the handle (B)</p> Signup and view all the answers

Which type of handle texture is recommended for optimal grip?

<p>Raised texturing (C)</p> Signup and view all the answers

What is the effect of larger handle diameters on instrument handling?

<p>Requires less pinch force (D)</p> Signup and view all the answers

Why is a tapered handle design preferred in periodontal instruments?

<p>Enhances maneuverability during use (C)</p> Signup and view all the answers

Which of the following is a risk factor associated with repetitive use of poorly designed instruments?

<p>Carpal tunnel syndrome (B)</p> Signup and view all the answers

What can be a consequence of using a heavy, solid metal handle in instruments?

<p>Increases risk of musculoskeletal injury (A)</p> Signup and view all the answers

What factors should be considered when evaluating instrument handle design?

<p>Weight, diameter, taper, and texture (C)</p> Signup and view all the answers

What does it mean for an instrument to be balanced?

<p>The working ends are aligned with the midline of the handle. (A)</p> Signup and view all the answers

What is one significant effect of using an unbalanced instrument?

<p>It increases the difficulty of use and stresses hand and arm muscles. (B)</p> Signup and view all the answers

How does instrument balance affect the removal of calculus?

<p>It ensures that finger pressure is effectively transferred to the working-end. (D)</p> Signup and view all the answers

What characteristic significantly impacts an instrument's usability and user comfort?

<p>The thickness of the instrument handle. (D)</p> Signup and view all the answers

Why are shanks of periodontal instruments designed with bends?

<p>To facilitate the placement of the working-end against the tooth surface. (A)</p> Signup and view all the answers

Which of the following statements about instrument handles is true?

<p>Different handle designs can affect the ease of instrument use. (B)</p> Signup and view all the answers

What is the primary function of the lower shank portion of an instrument?

<p>To support the functional portion of the instrument. (D)</p> Signup and view all the answers

Which design feature contributes to the flexibility of a periodontal instrument shank?

<p>The introduction of simple or complex bends in the design. (A)</p> Signup and view all the answers

Study Notes

Single-Ended Instruments

  • Some periodontal instruments have one working-end
  • Periodontal probes are an example of a single-ended instrument

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Related Documents

Instrument Design PDF

Description

This quiz focuses on single-ended instruments used in periodontics, highlighting their characteristics and specific types, particularly periodontal probes. Test your knowledge on these essential tools in dental practice and their applications in patient care.

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