MOD E: Preventative dentistry midterm

Question 1

the surface film that contains microorganisms and other biologic substances.

Answer 1

biofilm

Question 2

foods and beverages that lower oral pH and are conducive to dental caries;

Answer 2

cariogenic

Question 3

producing color or pigment.

Answer 3

chromogenic

Question 4

dental biofilm that has been mineralized primarily with calcium and phosphorus and occurs on the teeth and prosthetic appliances worn in the mouth.

Answer 4

calculus

Question 5

produced within or caused by factors within.

Answer 5

endogenous

Question 6

originating outside or caused by factors outside.

Answer 6

exogenous

Question 7

situated entirely within

Answer 7

intrinsic

Question 8

derived from or situated on the outside; external

Answer 8

extrinsic

Question 9

white or cream-colored “cheesy” mass that can collect over dental biofilm on unclean, neglected teeth; it is composed of food debris, mucin, and bacteria sloughed epithelial cells.

Answer 9

materia alba

Question 10

incomplete development or underdevelopment of an organ or a tissue.

Answer 10

hypoplasia

Question 11

a surrounding framework, enabling development in a structured manner.

Answer 11

matrix

Question 12

addition of mineral elements, such as calcium and phosphorus, to the body or a part thereof with resulting hardening of the tissue.

Answer 12

Mineralization

Question 13

describes oral status by expressing clinical observations as numeric values.

Answer 13

dental index

Question 14

the study of the relationships of various factors that determine the frequency and distribution of diseases in the human community; study of health and disease in populations.

Answer 14

Epidemiology

Question 15

the rate at which a certain event occurs, as the number of new cases of a specific disease occurring during a certain period of time.

Answer 15

incidence

Question 16

the total number of cases of a specific disease or condition in existence in a given population at a certain time.

Answer 16

prevalence

Question 17

loss of tooth structure produced by a mechanical cause

Answer 17

abrasion

Question 18

a material composed of particles of sufficient hardness and sharpness to cut or scratch a softer material when drawn across its surface; available in various particle sizes.

Answer 18

abrasive

Question 19

air-powered device using air and water pressure to deliver a controlled stream of specially processed sodium bicarbonate slurry through the handpiece nozzle; also called air abrasive, airpolishing, air-powered abrasive, or airbrasive.

Answer 19

Air-powder polisher

Question 20

round, flat nonabrasive particles that do not scratch surface materials.

Answer 20

Cleaning agent

Question 21

polishing of the anatomic crowns of the teeth to remove dental biofilm and extrinsic stains; does not involve calculus removal.

Answer 21

Coronal polishing

Question 22

with reference to abrasive agents, this is the particle size.

Answer 22

grit

Question 23

the production, especially by friction, of a smooth, glossy, mirror-like surface that reflects light.

Answer 23

Polishing

Question 24

an abrasive used to achieve a smooth, lustrous finish to a tooth surface.

Answer 24

Polishing agent

Question 25

revolutions per minute

Answer 25

rpm