Clinical Dental Hygiene/fluoride And Antimicrobials Flashcards
All of the following are properties of a good disinfectant except one.
- has residual effect
- kills all microorganisms
- environmentally compatible
- broad spectrum antimicrobial
Kills all microorganisms
One of the disadvantages of steam sterilization is that it:
Corrodes carbon steel instruments
All of the following are examples of biohazard waste except one:
- a needle
- a moist facial mask
- a gauze square dripping with blood
- an extracted tooth covered in blood
A moist facial mask
A patient, age 55, has a pulse rate of 52. This pulse is considered:
Below normal
Blood pressure measures the force exerted by the blood circulating against the arterial walls during relaxation and contraction. The systolic pressure involves the ventricles relaxing to fill with blood returned by circulation.
First is true second is false
Referring to angles classification for occlusion for the permanent dentition, a class 2 denotes a:
Retrognathic profile, with one or more anterior teeth inclined lingually
Clinically the dentist finds evidence of decay in the cervical 1/3 of the facial of tooth #8. The GV Black classification of this decay is:
V
The initial stage of plaque begins with
Acquired pellicle
Which of the following calculus detecting explorers is best to use between #4 and #5?
Pigtail
There is a 4mm pocket measurement on the direct facial of #20. In addition, there is recession on the direct facial measuring 2mm. What is the total clinical attachment loss?
6
The dental hygienist is planning to use an ultrasonic scaler on the next pt. What motion and sides are active in the magnetostrictive ultrasonic scaler?
Elliptical with all sides active
The DH has just removed the instrument cassette from the autoclave. The indicator tape has turned brown. One can be assured of what?
The instruments have been heat processed
Once instrumentation has been completed on the mesial of tooth #18 with a universal curette, the DH repositions the instrument to the dismal of tooth #19. To accomplish correct adaptation of the instrument the DH should use:
The same end of the instrument but the opposite cutting edge
Which of the following arteries should be palpate when taking the pulse of a conscious adult pt?
Radial
Through which of the following ways do ultrasonic scalers work?
Cavitation
Which of the following indicates a rapid pulse rate?
Tachycardia
Which of the following stains is not caused by poor oral hygiene or smoking?
- brown
- orange
- bluish green
- yellow brown
Bluish green
A 14 year old pt presents to the office with swollen, bleeding gingiva. What would you recommend?
Soft toothbrush
A patient presents with misaligned mandibular anterior teeth. Which of the following auxiliary aids would be BEST to use to clean these teeth?
End tuft brush
Using ASA classification, a pt who has well controlled, non insulin dependent diabetes would be classified as ASA
2
The DH notes a class IV furcation on tooth #3. Which gracey currents should be used to instrument the mesial surface of the distal buccaneers root?
11-12
On an adult pt, the blood pressure cuff is placed over which artery?
Brachial
There are 4 classifications of furcations. With class III there is severe bone loss with recession and the nabers probe can pass between the roots
First is true second is false
Which agency monitors the fluoride content in community water supply?
EPA
Which predominant bacteria are responsible for the initiation of caries?
Streptococcus mutans
The smooth surface of a tooth benefits most from fluoride because bacteria accumulate more readily on these surfaces than on other tooth surfaces.
The statement is correct but the reasoning is incorrect
What is the first measure that should be taken when a child ingests a toxic amount of fluoride?
Induce vomiting
What kind of stain does stannous fluoride cause?
Brown
How long can acute fluoride toxicity last?
Up to 24 hours
What occurs when topical fluoride is applied to a demineralization area?
The tooth structure gets stronger
What is the best method of fluoride application for caries prevention?
Low concentration and high frequency
What is the safest tolerated dose of topical fluoride?
One fourth the certainly lethal dose
The cause of mottled enamel is:
Consumption of systemic fluoride between ages 6 and 14 years
In Arizona the optimal level of fluoride in the community’s water supply, in ppm, would be:
0.7
An intraoral photo shows white spots on the coronal 1/3 of the anterior teeth. What is most likely the cause?
Fluorosis
The bacteria found in deep carious lesions are:
Lactobacilli species
Which tooth surface would least benefit from a fluoride rinse?
Occlusal
Signs and symptoms or acute fluoride toxicity include all except:
- vomiting
- fluorosis
- increase in thirst
- increase in salivation
Fluorosis
Which topical fluoride delivery system is best for a pt with rampant caries?
Tray
Self applied fluoride rinses are:
Effective in carries prevention and control
The two main substances removed from enamel in the demineralization process are:
Calcium and phosphorus
The daily use of self applied topical fluoride:
Is recommended for patients with xerostomia
Fluorosis may be observed in teeth exposed to drinking water beginning at hoe many ppm?
2
The coopers live in the country and have well water which tested at <0.3 ppm of fluoride. How much fluoride should be supplemented for their 5 year old daughter who has one occlusal restoration?
.50 mg/day
The preferred type of professional topical fluoride application for a pt with composite veneer bonding of teeth #’s 8 and 9
2% sodium fluoride
When ingested, most fluoride is absorbed through the:
Stomach and small intestine
