Preventive Dentistry & Nutrition Unit Exam

Front

A sticky mass that contains bacteria and grows in colonies on the teeth is called what?

Back

biofilm

Answer explanation

biofilm is a sticky mass that contains mucus and bacteria and grows in colonies on the teeth; also called dental plaque

Front

What is the primary cause of gingivitis?

Back

biofilm

Front

What can be applied to developing teeth to make them strong and prevent decay?

Back

fluoride

Answer explanation

Fluoride can be taken systemically or applied topically to reduce the chance of caries by 60%.

Front

Which brushing technique uses the toothbrush at a 45-degree angle with a gentle, short vibrating motion?

Back

Bass

Answer explanation

refer back to Procedure 16-1 page 483 in textbook.

Front

TRUE OR FALSE. Arjun went to the dentist for a fluoride treatment. The dentist told him that topical fluoride is most effective if the tooth is not cleaned before application.

Back

FALSE

Answer explanation

Topical fluoride is most effective if the tooth is cleaned before application because topical fluoride only penetrates the outer layer of the enamel.

Front

TRUE OR FALSE. Fluoride is a natural mineral nutrient known as fluorine, which is considered safe and effective by the CDC and WHO when used following established guidelines.

Back

TRUE

Answer explanation

This statement is true. Refer to page 499 "Fluoride" in the textbook.

Front

The mission of dental public health is to:

Back

address oral health issues in communities and populations

Answer explanation

Dental public health focuses on oral health issues in communities and populations with initiatives such as water fluoridation, tobacco use cessation, and screen programs.

Front

Which sweetener prevents colonization of biofilm and caries? Options: agave, sucrose, table sugar, xylitol

Back

xylitol

Front

TRUE OR FALSE. The words diet and weight loss have the same meaning.

Back

FALSE

Answer explanation

Diet refers to all intake of food into the body. Weight loss is the control of what one eats with a goal of losing weight.

Front

______ is the measurement of fat and muscle mass.

Back

BMI