Dental Plaque Control Quiz
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Questions and Answers

What is dental plaque?

  • Bacterial accumulation on the teeth
  • Soft sticky and colorless deposit that accumulates on the teeth (correct)
  • Green deposit that accumulates on the teeth
  • Hard and yellow deposit that accumulates on the teeth

    • What is the primary purpose of plaque control?

  • To promote the growth of dental plaque
  • To remove microbial plaque and prevent its accumulation (correct)
  • To change the color of dental plaque
  • To encourage bacterial accumulation on teeth

    • What is the first step in plaque formation?

  • Matrix formation
  • Plaque growth and maturation
  • Attachment of bacteria to the pellicle
  • Formation of the pellicle (correct)

    • Which type of toothbrush promotes cleanliness of teeth and oral cavity, according to ADA's Council on Dental Therapeutics?

    <p>Manual toothbrushes</p> Signup and view all the answers

    What are examples of interdental aids for plaque control?

    <p>Dental floss and interdental brushes</p> Signup and view all the answers

    What is the purpose of mechanical plaque control aids?

    <p>To remove microbial plaque and prevent its accumulation</p> Signup and view all the answers

    Which type of toothbrush is described as the 'most classic and principal method employed in oral hygiene'?

    <p>Manual toothbrush</p> Signup and view all the answers

    What is the second step in plaque formation?

    <p>Attachment of bacteria to the pellicle</p> Signup and view all the answers

    What should manual toothbrushes confirm to according to the provided text?

    <p>Should confirm to individual patient requirement, size, shape, and texture</p> Signup and view all the answers

    What are examples of aids for gingival stimulation in plaque control?

    <p>Gingival massage and water irrigation devices</p> Signup and view all the answers

    What is the purpose of chemical plaque control aids?

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

    What is the primary purpose of tongue scrapers in plaque control?

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

    Which of the following is a suitable cleaning aid for large, irregular, or concave tooth surfaces adjacent to wide interdental spaces?

    <p>Interdental brushes</p> Signup and view all the answers

    What is the main purpose of using water irrigation devices such as Water Pik?

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

    What is the ideal requisites of an antiplaque agent according to the text?

    <p>To significantly reduce plaque and gingivitis</p> Signup and view all the answers

    Which agent is effective against gram positive and gram negative organisms and inhibits plaque growth and reduces gingivitis?

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

    What is the main function of metallic ions in plaque control, as mentioned in the text?

    <p>Reducing glycolytic activity in microorganisms</p> Signup and view all the answers

    Which of the following is a characteristic of quaternary ammonium compounds mentioned in the text?

    <p>More active against gram negative than gram positive organisms</p> Signup and view all the answers

    What is the main function of enzymes used in antiplaque preparations?

    <p>Breaking down already formed matrix of plaque and calculus</p> Signup and view all the answers

    Which of the following is considered an ideal property of disclosing agents according to the text?

    <p>Distinct staining intensity</p> Signup and view all the answers

    Which of these properties is NOT considered an ideal property of disclosing agents according to the text?

    <p>Causing irritation to mucus membrane</p> Signup and view all the answers

    What is the main function of iodine preparations used as disclosing agents?

    <p>Impart color to soft deposits on teeth</p> Signup and view all the answers

    What is the mechanism of action of disclosing agents when applied to the teeth?

    <p>Imparting color to soft deposits but can be rinsed easily from clean tooth surfaces</p> Signup and view all the answers

    What is the purpose of dental floss?

    <p>To stimulate and massage the interdental papillae</p> Signup and view all the answers

    Which factor is NOT considered in the selection of interdental cleaning aids?

    <p>Type of toothpaste used</p> Signup and view all the answers

    What is the BASS METHOD most widely accepted and effective for?

    <p>Plaque removal directly beneath the gingival margins</p> Signup and view all the answers

    What is the main advantage of powered toothbrushes?

    <p>Uses less brushing force than manual toothbrush</p> Signup and view all the answers

    What are sonic & ultrasonic toothbrushes designed to aid in?

    <p>Stain removal and disruption of bacterial cell wall</p> Signup and view all the answers

    What do ionic toothbrushes change the surface charge of?

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

    What is the section that connects the head and handle of a toothbrush called?

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

    What determines the stiffness of toothbrush bristles?

    <h1>of filaments in a tuft</h1> Signup and view all the answers

    What are powered toothbrushes also known as?

    <p>Both A and B</p> Signup and view all the answers

    What is the purpose of dentifrices?

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

    What is the application technique for dental floss called where a loop or circle is made from a long piece?

    <p>Circle or loop method</p> Signup and view all the answers

    What does the BASS METHOD help in locating during plaque removal?

    <p>Subgingival calculus deposits</p> Signup and view all the answers

    Manual toothbrushes are designed primarily to promote cleanliness of teeth and oral cavity.

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

    Toothbrushes should easily and effectively manipulated.

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

    Sonic and ultrasonic toothbrushes are not designed to aid in oral hygiene.

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

    Interdental aids for plaque control include dental floss, interdental brushes, and wooden tips.

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

    Gingival massage is not considered an aid for gingival stimulation in plaque control.

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

    The main function of metallic ions in plaque control is matrix formation.

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

    Disclosing agents change the surface charge of the teeth.

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

    Quaternary ammonium compounds have no characteristic mentioned in the text.

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

    Powered toothbrushes have no advantages over manual toothbrushes.

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

    Ionic toothbrushes change the surface charge of the teeth.

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

    The BASS METHOD is not widely accepted and effective for plaque control.

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

    Enzymes used in antiplaque preparations serve no function in plaque control.

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

    The brushing surface of a toothbrush is formed by the free ends of bristles/filaments.

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

    The shank of a toothbrush connects the head and handle.

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

    The stiffness of toothbrush bristles depends on the number of filaments in a tuft.

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

    Powered toothbrushes are also known as automatic, mechanical, and electrical toothbrushes.

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

    Sonic and ultrasonic toothbrushes produce high frequency vibrations that aid in stain removal and disruption of bacterial cell wall.

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

    The Bass method is effective for plaque removal and provides good gingival stimulus.

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

    Dentifrice is a substance used with a toothbrush for the purpose of cleaning the accessible surfaces of the teeth.

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

    Dental floss is indicated to remove plaque from interproximal surfaces and under the pontics of fixed partial dentures.

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

    Dental floss can be used for locating subgingival calculus deposits and proximal caries.

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

    The spool method and circle or loop method are techniques for using dental floss.

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

    Dental floss should be gently passed through each contact area with a firm back and forth motion.

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

    Natural toothpaste should be dispersed in gel form between bristles rather than on top half of the toothbrush.

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

    Tongue scrapers are primarily used for removing debris from the surface of the teeth.

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

    Chlorhexidine is effective against gram-positive, gram-negative, fungi, yeast, and viruses.

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

    Wooden tips are triangular in cross-section and are inserted into gingival embrasures with the base of the triangle oriented away from the gingiva.

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

    Powered interdental toothbrushes are not available for cleaning large, irregular, or concave tooth surfaces adjacent to wide interdental spaces.

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

    Chemical plaque control is not considered an ideal adjunct to mechanical plaque control procedures.

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

    Water irrigation devices are mainly composed of a built-in pump and a nozzle.

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

    Delmopinol interferes with plaque matrix formation and increases bacterial adherence.

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

    Nonprescription essential oil rinses are not accepted by the ADA as plaque control agents.

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

    Vancomycin, Erythromycin, Nidamycin, and Kanamycin have been widely used as agents for plaque control.

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

    Metallic ions have a plaque inhibitory capacity by increasing the glycolytic activity in microorganisms and accelerating bacterial growth.

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

    Enzymes are used as active agents in antiplaque preparation because they can break down already formed matrix of plaque and calculus.

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

    Interproximal brushes are particularly suitable for cleaning small, regular, or convex tooth surfaces adjacent to narrow interdental spaces.

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

    Study Notes

    • Dental plaque is a soft, sticky, colorless deposit that accumulates on teeth and requires prevention and removal through plaque control.
    • Plaque control refers to the removal of microbial plaque and prevention of its accumulation on teeth and adjacent gingival tissues.
    • Formation of dental plaque involves the attachment of bacteria to the pellicle, bacterial accumulation and colonization, plaque growth and maturation, and matrix formation.

    Toothbrushing and dentifrices:

    • Toothbrushes are the most common method for oral hygiene and are primarily designed for teeth cleaning.
    • Types of toothbrushes include manual, powered, sonic & ultrasonic, and ionic toothbrushes.
    • Manual toothbrushes should conform to individual patient requirements, be easily cleaned, effectively manipulated, durable, inexpensive, and designed for utility efficiency and cleanliness.
    • Parts of a toothbrush include the brushing surface, tufts, shank, handle, and toothbrush bristles.
    • Powered toothbrushes mimic the action of manual toothbrushes, oscillate in a side-to-side motion or rotary motion, and have indications for young children, handicapped patients, individuals with prosthodontic and endosseous implants, orthodontic patients, and patients on supportive periodontal therapy.
    • Advantages of powered toothbrushes include increased patient motivation, improved accessibility in interproximal and lingual tooth surfaces, no specific brushing technique required, reduced brushing force, and incorporated brushing timer.
    • Sonic and ultrasonic toothbrushes produce high-frequency vibrations for stain removal and disruption of bacterial cell walls.
    • Ionic toothbrushes change the surface charge of teeth and repel plaque with similar charge using negatively charged bristles.

    Bass method for plaque removal:

    • The Bass method is the most widely accepted and effective method for plaque removal.
    • It is recommended for all patients for dental plaque removal adjacent to and directly beneath the gingival margins, particularly for open interproximal areas, cervical areas, beneath the height of contour of enamel, and exposed root surfaces.
    • The bristles are placed at a 45-degree angle to the gingiva and moved in a circular stroke for 20 times, 3 teeth at a time.
    • The lingual aspect of the anterior teeth is cleaned vertically with the brush's heel passed into the gingival sulcus.

    Dentifrices:

    • A dentifrice is a substance used with a toothbrush for the purpose of cleaning the accessible surfaces of the teeth.
    • The application of dentifrice involves a pea-sized dab on the toothbrush between bristles for adults and half the amount for children under 6 years of age.
    • Types of dentifrices include natural toothpaste, toothpaste for children, and whitening toothpaste.

    Interdental cleaning aids:

    • Special efforts and devices are required for the removal of plaque from interdental areas, especially for posterior molars.
    • Factors in the selection of interdental cleaning aids include the type of gingival embrasures, alignment of teeth, fixed prosthesis or orthodontic appliances, open furcation areas, and contact areas.
    • Dental floss is indicated for the removal of plaque from interproximal surfaces and is available in various forms such as multifilament, twisted/non-twisted, bonded/non-bonded, thick/thin, and waxed/non-waxed.
    • Functions of dental floss include the removal of adherent plaque and food debris, polishing of tooth surfaces, and stimulating and massaging interdental papillae.
    • The technique for using dental floss involves the spool method or the circle or loop method.

    Interproximal/interdental brushes:

    • Interproximal/interdental brushes are cone-shaped or cylindrical brushes suitable for cleaning large, irregular, or concave tooth surfaces adjacent to wide interdental spaces.
    • They are inserted through wide interdental spaces and moved back and forth with short strokes.
    • Powered interdental tooth brushes are also available.

    Wooden tips:

    • Manufactured from orange wood and triangular in cross section, wooden tips are inserted into gingival embrasures with the base oriented towards the gingiva.

    Gingival massage:

    • Mechanical stimulation of the gingiva through tooth brushing, interdental cleansing, or simple finger massage leads to increased keratinization, increased blood flow, and increased GCF flow within the gingival sulcus.

    Water irrigation devices:

    • Valuable supplement for mechanical plaque control measures, water irrigation devices are beneficial in the removal of unattached plaque and debris and can deliver antimicrobial agents such as chlorhexidine subgingivally.

    Tongue scrapers:

    • Defined as the process of removing debris from the surface of the tongue with a scraper designed for this purpose, tongue scrapers can be used by brushing or with tongue cleaning devices.

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