Clinical Dental Hygiene

Question 1

used to penetrate soft tissue or bone should always be sterilized using heat

Answer 1

critical items

Question 2

comes in contact with mucous membranes and non intact skin (skin that is abraded, chapped, dermatitis) should be sterilized using heat or disposable alternative

Answer 2

semi critical items

Question 3

only contact skin (radiograph conehead, blood pressure cuff( clean with EPA registered hospital disinfectant

Answer 3

non critical items

Question 4

direct touching saliva, blood, or OPIM

Answer 4

direct contact

Question 5

touching something that is already contaminated

Answer 5

indirect contact

Question 6

inanimate objects that when contaminated with infectious agents can transfer disease to a new host

Answer 6

fomite

Question 7

visible particles of respirable size commonly generated by handpieces, ultrasonic scalers, air water syringe

Answer 7

aerosol

Question 8

kills MOST organisms

Answer 8

disinfection

Question 9

designed to kill all micro organisms including spores

Answer 9

sterilization

Question 10

commonly used in dental offices, kills mycobacterium tuberculosis

Answer 10

intermediate

Question 11

unacceptable in dental offices, kills hiv and hep b

Answer 11

low level disinfectants

Question 12

steam autoclave

Answer 12

250 degrees F, 15-30 minutes

varies if instruments are wrapped or unwrapped

Question 13

Recommended for all metal instruments

Answer 13

dry heat

Question 14

Normal
Systolic <120, diastolic <80

Hypertension stage 1, 130-139/80-89

Hypertension stage 2, 140 or higher/90 or higher

Hypertensive crisis, higher than 180/higher than 120

Answer 14

Patients vitacall phls

Question 15

loss of calcium, phosphate, and carbonate from the hydroxyapatite crystals

Answer 15

deminerilization

Question 16

demineralization occurs when ph drops below critical levels —- to ——- for enamel, —- to —— for cementum

Answer 16

4. 5-5.5

6. 0-6.7

Question 17

involved in the caries process
acidogenic and aciduric
causes ph to fall and remain low
produce acids- lactic, butyric and propionic that dissolve tooth structure

Answer 17

bacteria

Question 18

main species involved in caries and is gram positive

Answer 18

streptoccus mutans

Question 19

what does streptoccus mutans mainly produce

Answer 19

lactic acid

Question 20

found in large numbers after cavitation of tooth has occurred

Answer 20

lactobacillus

Question 21

associated with root/cervical caries

Answer 21

actinomyces viscosis

Question 22

fluoride is beneficial in halting the caries process as it has —–, that is slowly released over time, it interferes with bacterial metabolism- bactericidal or bacteriostatic

Answer 22

substantivity

Question 23

evaluation of the relationship between the mesiobuccal cusp of the permanent max first molar and the buccal groove of the permanent mandibular first molar OR relationship of max and mandibular canines

Answer 23

angles classification

Question 24

vertical overlap of max and mand incisors

Answer 24

overbite

Question 25

horizontal overlap of max and mand incisors

Answer 25

overjet

Question 26

relationship of the interproximal surfaces of the maxillary central incisors and the interproximal surfaces of the mandibular central incisors

Answer 26

midline deviation

Question 27

first sign of gingivitis is

Answer 27

bleeding on probing

Question 28

poor oral hyg. drinking dark colored beverages coffee tea fruit juices wine

Answer 28

brown

Question 29

chx and stannous fl may not be able to remove

Answer 29

yellow brown

Question 30

often found in healthy mouths, may be seen as thin lines on the cervical third of tooth, possibly caused by consumption of iron and insoluble ferric sulfide, gram +

Answer 30

black

Question 31

poor oral hyg and chromogenic bacteria

Answer 31

green and yellow-green

Question 32

poor oral hyg

Answer 32

orange

Question 33

occupational exposure of metallic dust

Answer 33

blue green

Question 34

usually appears on incisal/occlusal third of a tooth, opaque or brownish discoloration depending on severity

Answer 34

fluorosis

Question 35

metal wire or plastic wire, open embrasure spaces exposed class 3 or 4 furcations, mild arthritis, diastema, orthodontia

Answer 35

interdental brush

Question 36

rotated teeth, hard to access third molars, exposed class 3 or 4 furcations

Answer 36

tufted brushes

Question 37

delivery of liquid antimicrobial agents, gingival inflammation and bleeding, disrupt loosely adherent plaque, orthodontia

Answer 37

oral irrigator

Question 38

what is the least effective oral physiotherapy aid for removing plaque

Answer 38

oral irrigator

Question 39

orthodontia, bridges

Answer 39

floss (bridge) threader

Question 40

interproximal decay

Answer 40

dental floss

Question 41

tufted floss is also known as

Answer 41

superfloss and it is for orthodontia, bridges and exposed furcations

Question 42

tartar control

Answer 42

pyrophosphates

Question 43

potassium nitrate, strontium ch, or sodium citrate

Answer 43

antihypersensitivity

Question 44

antibacterial

Answer 44

triclosan

Question 45

absorbed through the bloodstream of developing bone and teeth, can cause skeletal and dental flurosis

Answer 45

systemic fl

Question 46

what rapidly absorbs fl

Answer 46

stomach and small intestines

Question 47

what excretes fl

Answer 47

kidneys

Question 48

Sodium Fl Sodium silicofluoride Hydroflurosilic acid

Answer 48

water fluoridation

Question 49

community drinking water monitored by

Answer 49

epa

Question 50

opt fl level is

Answer 50

.7 ppm

Question 51

birth- 6 months require

Answer 51

zero fl

Question 52

6 months to 3 years require

Answer 52

.25 mg

Question 53

3-6 years of age require

Answer 53

.5 mg

Question 54

6-16 years of age require

Answer 54

1 mg

Question 55

period of up to two years after eruption of tooth

Answer 55

enamel maturation period

Question 56

in office fl. 1.23% APD 2% NaF 5% NaF

Answer 56

bactericidal | high concentration and low exposure

Question 57

home fl gels .4% stannous 1,000 ppm 1.1% neutral sodium, 5,000 ppm

Answer 57

bacteriostatic effect, low concentration

Question 58

CHX is

Answer 58

bactericidal

Question 59

all anterior surfaces

Answer 59

1-2 curet

Question 60

direct facial and lingual of posterior teeth

Answer 60

7-8

Question 61

mesial surface of posterior teeth

Answer 61

11-12 or 15-16

Question 62

distal surface of posterior teeth

Answer 62

13-14, 17-18

Question 63

what application is most effective for rampant decay

Answer 63

tray system 2% NaF

Question 64

Sodium fl is recommended for

Answer 64

bulimics

Question 65

used for desensitizing exposed roots and caries prevention

Answer 65

sodium fl varnish

Question 66

possible gingival sloughing and discoloration of tooth colored restorations

Answer 66

stannous fl

Question 67

certainly lethal dose of fl

Answer 67

5-10 gram of NaF at one time for adult

Question 68

safely tolerated dose of fl

Answer 68

1/4 of certainly lethal dose

Question 69

acute fl toxicity begins within --- of ingestion and may persist for as long as 24 hours

Answer 69

30 minutes

Question 70

if over --- mg induce vomiting

Answer 70

5 mg fl

Question 71

if over ---- seek medical tx

Answer 71

15 mg fl

Question 72

provides detailed information about specific products used in the dental office?

Answer 72

material safety data sheet

Question 73

A simple phenol is inappropriate for use for disinfecting the dental operatory. A complex phenol is appropriate for use of disinfecting the dental operatory. What category is a complex phenol

Answer 73

mid level disinfectant

Question 74

Which of the following is best to sterilize a dental handpiece?

Answer 74

steam autoclave

Question 75

Sterility of instruments is determined by which of the following

Answer 75

biological testing monitors

Question 76

Dentinal hypersensitive is caused by

Answer 76

movement of fluid within the dentinal tubules

Question 77

A firm pull stroke which proper lateral pressure isolated to the area of the deposit describes what type of instrumentation stroke

Answer 77

scaling stroke

Question 78

Calculus is a contributing factor of periodontal disease because it provides a rough surface that harbors bacteria

Answer 78

the statement and reason are both correct

Question 79

Which gracey curet is best for use on the maxillary second molar

Answer 79

gracey 17-18

Question 80

to achieve long term success with oral home care what must change?

Answer 80

behavior

Question 81

Which cutting edge is used to debride the mesiofacial of #30 during instrumentation with the universal curet

Answer 81

the opposite cutting edge on the same working end as used for the distal

Question 82

In what percentage is professional strength in office sodium fl gel

Answer 82

2 percent

Question 83

Which of the following sterilization techniques is least appropriate for paper products

Answer 83

dry heat