ADEX Trivia 3 — Questions and Answers
Question 1: What is the primary purpose of disclosing solution in a dental hygiene appointment?
- Whiten teeth
- Detect plaque biofilm (Correct answer)
- Numb soft tissue
- Stain calculus
Correct answer: Detect plaque biofilm
Disclosing solution contains a dye that stains bacterial plaque, making it visible to both the clinician and patient.
Question 2: Which cranial nerve is responsible for general sensation in the teeth and gingiva of the maxilla?
- Cranial nerve VII
- Cranial nerve V2 (Correct answer)
- Cranial nerve IX
- Cranial nerve XII
Correct answer: Cranial nerve V2
The maxillary division (V2) of the trigeminal nerve (CN V) provides sensory innervation to the maxillary teeth and surrounding tissues.
Question 3: Which of the following is NOT a component of the periodontium?
- Alveolar bone
- Periodontal ligament
- Dentin (Correct answer)
- Cementum
Correct answer: Dentin
Dentin is part of the tooth structure itself, not the periodontium, which consists of alveolar bone, PDL, cementum, and gingiva.
Question 4: What does BSA stand for in infection control protocols used in dental settings?
- Blood-borne Safety Act
- Body Substance Approach (Correct answer)
- Bacterial Sterilization Assurance
- Biological Safety Audit
Correct answer: Body Substance Approach
Body Substance Approach (BSA) is an infection control system treating all body fluids and substances as potentially infectious.
Question 5: The mandibular first molar typically has how many roots?
- 1
- 2 (Correct answer)
- 3
- 4
Correct answer: 2
The mandibular first molar normally has two roots: a mesial and a distal root, each containing canals.
Question 6: What term describes the accumulation of calcified deposits on tooth surfaces?
- Plaque
- Calculus (Correct answer)
- Biofilm
- Pellicle
Correct answer: Calculus
Calculus (tartar) is mineralized dental plaque that forms hard deposits on tooth surfaces above and below the gumline.
Question 7: Which state was the first to license dental hygienists in the United States?
- New York
- Connecticut (Correct answer)
- Massachusetts
- New Jersey
Correct answer: Connecticut
Connecticut was the first state to license dental hygienists in 1917, following the efforts of Alfred Fones.
What is the primary purpose of disclosing solution in a dental hygiene appointment?