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GCSC DH Trial 4: Dentin Hypersensitivity and Pain Management, Exams of Nursing

Welder Training and Testing InstituteNursing

A series of multiple-choice questions and answers related to dentin hypersensitivity and pain management in dentistry. It covers topics such as the hydrodynamic theory, desensitizing agents, pain perception, and pain control methods. The questions are designed to test knowledge and understanding of these concepts, making it a valuable resource for dental students and professionals.

Typology: Exams

2024/2025

Available from 11/16/2024

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GCSC DH Trial 4 Examination Questions
with Answers.
1. Mrs. Smith is scheduled to have a prophylaxis in your operatory for
the first time. She has no positives on her medical history and her
complete dental examination 6 months ago did not reveal any
restorative concerns. Before you begin checking her, she holds up
her hand and tells you that two teeth (#4 and 5) have been driving
her crazy the last month or so. The pain happens when she touches
the gum line area of both teeth with her nail or a toothbrush. You
notice a small hole in her cheek near the right labial commissure and
ask Mrs. Smith if this has always been there. Mrs. Smith said she had
a facial piercing that she recently removed because it bothered her
husband.
2. What is the most logical explanation for the sensitivity on teeth #4
and 5? - Correct Ans: ✔✔Metal jewelry in the facial piercing
3. Which of the following factors contributes to loss of enamel and
cementum and thus to sensitivity?
A) Enamel and cementum overlap at the CEJ
B) Attrition and abrasion
C) Erosion from high pH drinks
D) Brushing with baking soda
E) Rinsing with bicarbonate of soda after getting sick - Correct
Ans: ✔✔B. Attrition and abrasion
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Download GCSC DH Trial 4: Dentin Hypersensitivity and Pain Management and more Exams Nursing in PDF only on Docsity!

GCSC DH Trial 4 Examination Questions

with Answers.

  1. Mrs. Smith is scheduled to have a prophylaxis in your operatory for the first time. She has no positives on her medical history and her complete dental examination 6 months ago did not reveal any restorative concerns. Before you begin checking her, she holds up her hand and tells you that two teeth (#4 and 5) have been driving her crazy the last month or so. The pain happens when she touches the gum line area of both teeth with her nail or a toothbrush. You notice a small hole in her cheek near the right labial commissure and ask Mrs. Smith if this has always been there. Mrs. Smith said she had a facial piercing that she recently removed because it bothered her husband.
  2. What is the most logical explanation for the sensitivity on teeth # and 5? - Correct Ans: ✔✔Metal jewelry in the facial piercing
  3. Which of the following factors contributes to loss of enamel and cementum and thus to sensitivity? A) Enamel and cementum overlap at the CEJ B) Attrition and abrasion C) Erosion from high pH drinks D) Brushing with baking soda E) Rinsing with bicarbonate of soda after getting sick - Correct Ans: ✔✔B. Attrition and abrasion
  1. The hydrodynamic theory states that a stimulus at the outer aspect of dentin causes fluid movement within the dentinal tubules. Developed by Brannstrom in the 1960s, the hydrodynamic theory is the currently accepted explanation for transmission of stimuli from the outer surface of dentin to the pulp. - Correct Ans: ✔✔Both statements are true
  2. Which of the following teeth are most affected by hypersensitivity? A) The occlusal surfaces of the third molars B) The lingual surfaces of the maxillary central incisors C) The facial surfaces of the maxillary premolars - Correct Ans: ✔✔C. The Facial surfaces of maxillary premolars
  3. Which of the following desensitizing agents requires the use of an acid etch step prior to application? A) Dentin sealers B) Unfilled resins C) Oxalates - Correct Ans: ✔✔B. Unfilled resins
  4. The identifying characteristics of dentin hypersensitivity include all of the following except: A) sharp, short, or transient pain of rapid onset B) cessation from pain upon removal of stimuli C) presents as a chronic condition with acute episodes D) pain upon pressure - Correct Ans: ✔✔D. Pain upon pressure
  1. Individuals react differently to pain associated with dentin hypersensitivity. Which of the following factors has no bearing on the pain reaction? A) Previous experience B) Home care techniques C) Age D) Pain expectations E) Gender - Correct Ans: ✔✔B. home care techniques
  2. What happens to dentinal tubule orifices in the presence of dental biofilm? - Correct Ans: ✔✔They increase to three times the original size
  3. Several mechanisms promote desensitization naturally over time. Which mechanism does not belong in this group? A) Mineral deposition within tubules from traumatic stimuli B) Dentin deposited on the floor and roof of pulp chamber by odontoblasts C) Organic debris covering the dentinal surface D) Iontophoresis of minerals into the tubules E) Inorganic debris that covers the tubules - Correct Ans: ✔✔D. Iontophoresis of minerals into the tubules
  4. It is not important to match the pain control method to the patient's treatment needs and medical status. All pain management techniques are more effective when utilized before the patient

experiences pain. - Correct Ans: ✔✔The first statement is false and the second statement is true

  1. What is the purpose of the vasoconstrictor in a local anesthetic cartridge? - Correct Ans: ✔✔To increase the duration of the anesthetic effect
  2. Mr. Jones is scheduled for scaling and root planing on the maxillary right quadrant. He currently has 4-mm pockets and very inflamed tissue. It appears as though he has an abscess on tooth #3. What effect would his dental conditions have on the use and effect of local anesthetics? - Correct Ans: ✔✔increase the dose as inflamed tissue has a low pH, which inhibits anesthetic
  3. Which of the following medications is the drug of choice for dental pain? A) Ibuprofen B) Acetyl salicylic acid C) St. John's wort D) Morphine sulfate E) Acyclovir - Correct Ans: ✔✔A. Ibuprofen
  4. Mr. Jones's recent eye surgery a month ago required the use of Perfluoropropane and sulfur hexafluoride. Would nitrous oxide be contraindicated for this appointment? - Correct Ans: ✔✔Yes, you need to wait 8 weeks after use of Perfluoropropane

B) Highly variable between individuals with intact nervous systems C) Combination of the interpretation and the response to the pain message - Correct Ans: ✔✔A. In the brain it is interpreted as pain

  1. Mr. Jones takes his mask off immediately when you finish scaling and says he has to use the restroom. When he stands up he complains of a headache and faints. What is the cause of his syncope? - Correct Ans: ✔✔Inadequate oxygen in the alveoli
  2. The diminution or elimination of pain in the patient experiencing conscious sedation is called: - Correct Ans: ✔✔analgesia
  3. Mr. Jones is a new patient to your dental practice. He has very sensitive teeth and grips the chair when you start to put the mirror in his mouth. You put the instruments down and talk calmly with Mr. Jones for a few minutes before you start the scaling. By building a trust relationship, you let him feel in control without the use of pharmacologic techniques. Which of the five pain control mechanisms best describes the technique you utilized? A) Remove the painful stimulus B) Block the pathway of the pain message C) Raise the pain reaction threshold D) Depress the central nervous system E) Psychosedation methods (iatrosedation) - Correct Ans: ✔✔E. Psychosedation methods (iatrosedation)
  1. Which of the following topical anesthetics is the most widely used topical agent and has the potential to cause an allergic reaction? - Correct Ans: ✔✔Benzocaine
  2. You have just finished scaling Mr. Jones's teeth. You get up, take off your gloves, and rinse your hands off. The receptionist is waving at you to come up to the front desk. One of your morning patients is on the phone and wants to ask you a question. What should you do?
    • Correct Ans: ✔✔Stay in the room with Mr. Jones and tell the receptionist to take a message
  3. Which of the following is the best reason to justify the use of nitrous oxide sedation? A) The analgesic effect is most pronounced on the root surfaces of the teeth B) To help reduce his strong gag reflex C) To help prevent his stress-induced bronchial asthma D) To help prevent a heart attack E) To help prevent a stroke - Correct Ans: ✔✔C) To help prevent his stress-induced bronchial asthma
  4. Dental local anesthetic drugs can be divided chemically into two major groups, esters and amides. Except for topicals, all currently used anesthetic agents are amides. - Correct Ans: ✔✔both statements are true