GI Number Placement Quiz
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Questions and Answers

Where should the GI numbers be placed?

  • Outside of circles (correct)
  • On the bottom of circles
  • Inside of circles
  • On the top of circles

    • Where should the PLI numbers be placed?

  • On the bottom of circles
  • On the top of circles
  • Inside of circles (correct)
  • Outside of circles

    • What is the purpose of GI numbers?

  • To identify the circles (correct)
  • To mark the center of the circles
  • To indicate the size of the circles
  • To provide additional information

    • Which criteria indicates normal gingiva?

    <p>Criteria 0</p> Signup and view all the answers

    What are the characteristics of mild inflammation according to the criteria?

    <p>Change in color and edema</p> Signup and view all the answers

    What are the characteristics of severe inflammation according to the criteria?

    <p>Ulceration and spontaneous bleeding</p> Signup and view all the answers

    Which of the following best describes a disclosing agent?

    <p>A substance used to identify bacterial plaque deposits</p> Signup and view all the answers

    What happens when a disclosing agent is applied to the teeth?

    <p>It attaches to bacterial plaque deposits</p> Signup and view all the answers

    In what forms can a disclosing agent be found?

    <p>Liquid, tablet, and lozenge</p> Signup and view all the answers

    Which of the following is NOT a purpose of biofilm in OHI?

    <p>To relate to tissue appearance in the area</p> Signup and view all the answers

    What is the main factor that determines individualized instruction in OHI?

    <p>The areas of concern</p> Signup and view all the answers

    What does OHI aim to achieve by pointing out where plaque has accumulated?

    <p>To identify areas of concern</p> Signup and view all the answers

    Which type of stain is thinner, relatively clear, and covers the teeth?

    <p>Pellicle stain</p> Signup and view all the answers

    What color is plaque that is newly formed and thin?

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

    Where is plaque usually thicker, older, and more tenacious?

    <p>Interproximal areas</p> Signup and view all the answers

    Which motion is described as the act of turning the handle between the thumb and index finger?

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

    Which type of tooth tilts inward in the mandibular arch?

    <p>Mandibular anteriors</p> Signup and view all the answers

    Which type of tooth tilts outward in the mandibular arch?

    <p>Mandibular molars</p> Signup and view all the answers

    Which part of the working-end should always be in contact with the tooth surface for correct adaptation?

    <p>The toe-third</p> Signup and view all the answers

    Which surface of the tooth is the tip-third of the sickle scaler correctly adapted to?

    <p>The facial surface</p> Signup and view all the answers

    Which part of the working-end should be in contact with the tooth surface for correct adaptation?

    <p>The toe-third</p> Signup and view all the answers

    Which part of the working-end should always be in contact with the tooth surface for correct adaptation?

    <p>The toe-third</p> Signup and view all the answers

    Which surface of the tooth is the tip-third of the sickle scaler correctly adapted to?

    <p>The facial surface</p> Signup and view all the answers

    In which direction are instrumentation strokes made, away from the soft tissue base of the sulcus or pocket?

    <p>In a coronal direction</p> Signup and view all the answers

    Which stroke is used to evaluate the tooth surface?

    <p>Assessment stroke</p> Signup and view all the answers

    What is the purpose of the exploratory stroke?

    <p>To locate caries</p> Signup and view all the answers

    What is another name for the assessment stroke?

    <p>Exploratory stroke</p> Signup and view all the answers

    Which instrument is used in calculus removal strokes?

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

    What type of stroke is used to snap a calculus deposit from the tooth surface?

    <p>Brief, tiny, biting stroke</p> Signup and view all the answers

    Which instruments are typically used in conjunction with calculus removal strokes?

    <p>Scalers and curets</p> Signup and view all the answers

    Which stroke is used to remove residual calculus deposits from root surfaces that are exposed or within deep periodontal pockets?

    <p>Root debridement stroke</p> Signup and view all the answers

    Which type of instrument is typically used in conjunction with root debridement stroke?

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

    What is the correct pressure to be applied against the tooth surface during the root debridement stroke?

    <p>Moderate pressure</p> Signup and view all the answers

    Which type of stroke is used on the mesial and distal surfaces of posterior teeth?

    <p>Vertical stroke</p> Signup and view all the answers

    On which surfaces are vertical strokes used on anterior teeth?

    <p>Facial, lingual, and proximal surfaces</p> Signup and view all the answers

    Which surfaces of anterior teeth are not included in the use of vertical strokes?

    <p>Incisal surfaces</p> Signup and view all the answers

    Which type of stroke is used on the facial and lingual surfaces of posterior teeth?

    <p>Oblique stroke</p> Signup and view all the answers

    What is the purpose of the oblique stroke on the facial and lingual surfaces of posterior teeth?

    <p>To remove residual calculus deposits</p> Signup and view all the answers

    On which surfaces are oblique strokes used in dental instrumentation?

    <p>Facial and lingual surfaces of posterior teeth</p> Signup and view all the answers

    Which type of stroke is used on the facial and lingual surfaces of posterior teeth?

    <p>Oblique stroke</p> Signup and view all the answers

    What is the purpose of the oblique stroke on the facial and lingual surfaces of posterior teeth?

    <p>To remove plaque</p> Signup and view all the answers

    Where is the oblique stroke used in dental instrumentation?

    <p>On the facial and lingual surfaces of posterior teeth</p> Signup and view all the answers

    Which of the following best describes angulation in dental instrumentation?

    <p>The angle between the working-end and the tooth surface</p> Signup and view all the answers

    Why is visualization necessary during dental instrumentation?

    <p>To evaluate the tooth surface</p> Signup and view all the answers

    What is the purpose of the working-end in dental instrumentation?

    <p>To adapt to the tooth surface</p> Signup and view all the answers

    Which of the following angles is considered the face-to-tooth surface angulation for insertion?

    <p>0-40 degrees</p> Signup and view all the answers

    What is another name for the face-to-tooth surface angulation for insertion?

    <p>Closed angle</p> Signup and view all the answers

    Within which range does the face-to-tooth surface angulation for insertion fall?

    <p>0-90 degrees</p> Signup and view all the answers

    Which angulation range is considered ideal for calculus removal?

    <p>Between 60 and 80 degrees</p> Signup and view all the answers

    What is the minimum angulation required for calculus removal?

    <p>Less than 45 degrees</p> Signup and view all the answers

    What is the maximum angulation required for calculus removal?

    <p>Greater than 80 degrees</p> Signup and view all the answers

    Which angulation range is associated with tissue injury?

    <p>Greater than 90 degrees</p> Signup and view all the answers

    What is the consequence of angulation less than 45 degrees?

    <p>Burnished calculus</p> Signup and view all the answers

    What is the ideal angulation range for calculus removal?

    <p>60-80 degrees</p> Signup and view all the answers

    Which type of stroke requires less lateral pressure than calculus removal stroke?

    <p>Root debridement stroke</p> Signup and view all the answers

    Which instrument handle pressure is applied inward with index finger and thumb during assessment stroke?

    <p>Gentle pressure</p> Signup and view all the answers

    What type of pressure is applied against the tooth surface during calculus removal stroke?

    <p>Firm pressure</p> Signup and view all the answers

    Which type of instrument is used to remove light supra and subgingival calculus deposits?

    <p>Area specific curets</p> Signup and view all the answers

    What type of stroke is typically used on the facial and lingual surfaces of posterior teeth?

    <p>Horizontal strokes</p> Signup and view all the answers

    Where is the tip-third of the sickle scaler correctly adapted to on the tooth surface?

    <p>Gingival margin</p> Signup and view all the answers

    Which part of the working-end should always be in contact with the tooth surface for correct adaptation?

    <p>The lower cutting edge</p> Signup and view all the answers

    What causes one cutting edge to be lower than the other on each working-end?

    <p>The shank tilt</p> Signup and view all the answers

    Which cutting edge is used for calculus removal?

    <p>Only the lower cutting edge</p> Signup and view all the answers

    Which angle is automatically formed between the lower cutting edge and the tooth surface when the lower shank is parallel?

    <p>70 degrees</p> Signup and view all the answers

    At what angle is the lower cutting edge positioned to the tooth surface when the lower shank is not parallel?

    <p>45 degrees</p> Signup and view all the answers

    What happens to the lower cutting edge when the lower shank is tilted too far inward?

    <p>It becomes angled away from the tooth surface</p> Signup and view all the answers

    Which word in the text represents a person who is being cared for by the speaker?

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

    What does the speaker refer to as their source of inspiration or motivation?

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

    What does the speaker describe as their ability to adjust or modify their approach?

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

    Which type of calculus deposits can a universal curet remove?

    <p>Small- and medium-sized supragingival deposits</p> Signup and view all the answers

    Why is a universal curet called 'universal'?

    <p>Because it can be used on all tooth surfaces</p> Signup and view all the answers

    What is the main function of a universal curet?

    <p>To remove both supragingival and subgingival calculus deposits</p> Signup and view all the answers

    Which type of stroke is used for removing residual calculus deposits from root surfaces that are exposed or within deep periodontal pockets?

    <p>Root debridement stroke</p> Signup and view all the answers

    What is the purpose of the rounded back on a universal curet?

    <p>To provide stability during instrumentation</p> Signup and view all the answers

    How many cutting edges does a universal curet have per working-end?

    <p>Two cutting edges</p> Signup and view all the answers

    Which part of the universal curet is perpendicular to the lower shank?

    <p>The face</p> Signup and view all the answers

    What is the relationship between the two cutting edges of a universal curet?

    <p>They are parallel</p> Signup and view all the answers

    What is the purpose of the universal curet?

    <p>To remove calculus</p> Signup and view all the answers

    What is the main difference between Curet A and Curet B?

    <p>Curet A has a shorter lower shank and is used in shallow pockets, while Curet B has a longer lower shank and is used in deep pockets.</p> Signup and view all the answers

    Which type of pocket is Curet A limited to use within?

    <p>Normal sulci</p> Signup and view all the answers

    Which type of pocket is Curet B used on?

    <p>Deep pockets</p> Signup and view all the answers

    Which instrument is typically used for calculus removal strokes on anterior teeth?

    <p>Universal curet</p> Signup and view all the answers

    What is the angulation range associated with tissue injury?

    <p>45-90 degrees</p> Signup and view all the answers

    Which type of stroke is typically used on the facial and lingual surfaces of posterior teeth?

    <p>Oblique stroke</p> Signup and view all the answers

    Which part of the sickle scaler is triangular in cross section?

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

    What is the correct angulation for the face-to-tooth surface of a sickle scaler?

    <p>70 to 80 degrees</p> Signup and view all the answers

    How many cutting edges does a sickle scaler have per working-end?

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

    Which part of the sickle scaler is triangular in cross section?

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

    What is the correct angulation range for achieving correct angulation with a sickle scaler?

    <p>70 to 80 degrees</p> Signup and view all the answers

    How many cutting edges does a sickle scaler have per working-end?

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

    Which type of sickles are usually paired on a double-ended instrument?

    <p>Posterior sickles</p> Signup and view all the answers

    How many sickles can be found on a double-ended instrument?

    <p>Two sickles</p> Signup and view all the answers

    What is the typical configuration of working ends on a single-ended sickle scaler?

    <p>Two different sickles</p> Signup and view all the answers

    Study Notes

    GI Numbers and PLI Numbers

    • GI numbers should be placed on the patient's chart, and PLI numbers should be placed on the patient's chart and on the treatment plan.
    • The purpose of GI numbers is to record the severity of gingivitis and monitor the effectiveness of treatment.

    Criteria for Normal Gingiva

    • Normal gingiva is characterized by a GI score of 0, which indicates a healthy, pink, and firm appearance.

    Characteristics of Mild Inflammation

    • Mild inflammation is characterized by a GI score of 1, which indicates a slight change in color, a slight loss of texture, and a slight bleeding tendency.

    Characteristics of Severe Inflammation

    • Severe inflammation is characterized by a GI score of 3, which indicates a marked change in color, a marked loss of texture, and a marked bleeding tendency.

    Disclosing Agent

    • A disclosing agent is a solution or tablet that temporarily stains biofilm and plaque, making it visible for removal.
    • When applied to the teeth, a disclosing agent stains areas where plaque and biofilm have accumulated.
    • Disclosing agents can be found in various forms, including tablets, solutions, and sprays.

    Purpose of Biofilm in OHI

    • One of the purposes of biofilm in OHI is to provide a habitat for bacterial growth, which is not a correct purpose of biofilm in OHI.

    Individualized Instruction in OHI

    • The main factor that determines individualized instruction in OHI is the patient's unique needs and circumstances.

    Purpose of OHI

    • OHI aims to achieve patient education and motivation by pointing out where plaque has accumulated.

    Types of Stain

    • Thin, relatively clear stains that cover the teeth are typical of newly formed plaque.
    • Thicker, older, and more tenacious stains are typical of plaque that has accumulated over time.

    Tooth Tilt

    • The type of tooth that tilts inward in the mandibular arch is the lingual inclination.
    • The type of tooth that tilts outward in the mandibular arch is the facial inclination.

    Working-End and Tooth Surface Adaptation

    • The part of the working-end that should always be in contact with the tooth surface for correct adaptation is the tip-third.

    Instrumentation Strokes

    • The direction of instrumentation strokes is away from the soft tissue base of the sulcus or pocket.
    • The exploratory stroke is used to evaluate the tooth surface and detect any abnormalities.
    • The assessment stroke is another name for the exploratory stroke.
    • The calculus removal stroke is used to remove calculus deposits, and it typically requires a universal curet or a sickle scaler.
    • The root debridement stroke is used to remove residual calculus deposits from root surfaces that are exposed or within deep periodontal pockets.

    Instrumentation Angulation

    • The correct angulation for the face-to-tooth surface is between 45 and 90 degrees.
    • The ideal angulation range for calculus removal is between 70 and 80 degrees.
    • Angulation less than 45 degrees can cause tissue injury.
    • Angulation greater than 90 degrees can cause tissue injury.

    Instrumentation Pressure

    • The correct pressure to be applied against the tooth surface during the root debridement stroke is light to moderate pressure.

    Instrumentation Strokes on Different Surfaces

    • Vertical strokes are used on the mesial and distal surfaces of posterior teeth.
    • Oblique strokes are used on the facial and lingual surfaces of posterior teeth.
    • The purpose of the oblique stroke is to remove plaque and calculus from the facial and lingual surfaces of posterior teeth.

    Sickle Scaler and Universal Curet

    • The tip-third of the sickle scaler is triangular in cross section.
    • The correct angulation for the face-to-tooth surface of a sickle scaler is between 45 and 90 degrees.
    • A universal curet is used to remove light supra and subgingival calculus deposits.
    • The purpose of the rounded back on a universal curet is to facilitate adaptation to curved root surfaces.
    • A universal curet has two cutting edges per working-end, which are positioned at a 90-degree angle to each other.
    • The relationship between the two cutting edges of a universal curet is that they are perpendicular to each other.

    Curet A and Curet B

    • The main difference between Curet A and Curet B is the size and shape of the working-end, which determines the type of pocket they can be used in.

    Calculus Removal

    • Calculus removal strokes on anterior teeth typically require a universal curet or a sickle scaler.
    • The angulation range associated with tissue injury is less than 45 degrees or greater than 90 degrees.
    • The oblique stroke is typically used on the facial and lingual surfaces of posterior teeth.

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    Test your knowledge on where to place GI and PLI numbers in circles with this quiz. Learn about the purpose of GI numbers and challenge yourself to correctly identify their placement.

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