Free NBDHE Dental Hygiene Trivia Question and Answers

Question 1

Which of the following is true about a root's hypersensitivity decreasing as the tooth develops?

Accepted Answer

Cellular cementum

Answer

Enamel

Answer

Periodontal Ligament

Answer

Pulp

Question 2

Which nerve supplies the intrinsic tongue muscles?

Accepted Answer

Hypoglossal

Answer

Trigeminal

Answer

Glossopharyngeal

Answer

Accessory

Question 3

All of the above methods, with the exception of ____________, are frequently used to introduce fluoride.

Accepted Answer

Injection

Answer

Mouthwash

Answer

Toothpaste

Answer

Drinking water

Question 4

When gingivitis is considered to be under control

Accepted Answer

there's no bleeding around the gums

Answer

no deep pockets appear in the gums

Answer

the gums reach the crown

Answer

the gums appear firm

Question 5

The purpose of radiographic enhancing screens is

Accepted Answer

reducing the patient dose

Answer

magnification

Answer

reflecting harmful rays

Answer

sharpening the image

Question 6

What qualifies as an overdenture's defining feature?

Accepted Answer

Natural teeth remain

Answer

Used with an underbite

Answer

Used with an overbite

Answer

No natural teeth remain

Question 7

One of the main causes of a root canal is which of the following?

Accepted Answer

The pulp can't be fixed

Answer

Tooth is cracked

Answer

A cavity is present

Answer

Gums are bleeding