ADEX Trivia 2

Question 1

Which tooth is commonly called the 'wisdom tooth'?

Accepted Answer

Third molar

Answer

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?

Accepted Answer

Ion substitution

Answer

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?

Accepted Answer

NERB

Answer

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?

Accepted Answer

Periodontal probe

Answer

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?

Accepted Answer

Dry mouth

Answer

Xerostomia is the subjective sensation of dry mouth, often caused by reduced salivary flow from medications or systemic disease.

ADEX - Dental Hygiene Exam Practice Test