ADEX Trivia 2 — Questions and Answers
Question 1: Which tooth is commonly called the 'wisdom tooth'?
- First molar
- Second premolar
- Third molar (Correct answer)
- Second molar
Correct answer: Third molar
The third molar is called the wisdom tooth because it erupts last, typically between ages 17–25.
Question 2: What is the name of the process by which fluoride replaces hydroxyl ions in hydroxyapatite?
- Remineralization
- Ion substitution (Correct answer)
- Fluorosis
- Calcification
Correct answer: Ion substitution
Ion substitution describes the chemical process where fluoride replaces hydroxyl ions in the hydroxyapatite crystal to form fluorapatite.
Question 3: The ADEX dental hygiene exam was formerly known by which acronym?
- NBDHE
- CRDTS
- NERB (Correct answer)
- WREB
Correct answer: NERB
ADEX replaced the NERB (North East Regional Board) examination as part of a national standardization effort.
Question 4: Which instrument is used to measure probing depth during a periodontal assessment?
- Explorer
- Curette
- Periodontal probe (Correct answer)
- Scaler
Correct answer: Periodontal probe
The periodontal probe is calibrated in millimeters and is specifically designed to measure sulcus and pocket depth.
Question 5: The term 'xerostomia' refers to which condition?
- Excessive saliva production
- Dry mouth (Correct answer)
- Gingival enlargement
- Tooth sensitivity
Correct answer: Dry mouth
Xerostomia is the subjective sensation of dry mouth, often caused by reduced salivary flow from medications or systemic disease.
Question 6: Which surface of the tooth faces the tongue?
- Buccal
- Labial
- Lingual (Correct answer)
- Facial
Correct answer: Lingual
The lingual surface of a tooth is the surface that faces the tongue.
Question 7: How many surfaces does the ADEX clinical examination evaluate for calculus and deposit removal?
- 2
- 4 (Correct answer)
- 6
- 8
Correct answer: 4
The ADEX clinical exam typically assesses 4 tooth surfaces designated by the examiners for deposit removal evaluation.
ADEX Trivia 2
Which tooth is commonly called the 'wisdom tooth'?