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OSCE DENTAL HYGIENE EXAM 2023/2024 NEWEST QUESTIONS WITH DETAILED VERIFIED ANSWERS /ALREADY GRADED A+
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OSCE DENTAL HYGIENE EXAM 2023/2024 NEWEST QUESTIONS WITH DETAILED VERIFIED ANSWERS/ALREADY GRADED A+
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OSCE DENTAL HYGIENE EXAM 2023/2024 NEWEST QUESTIONSWITH DETAILED VERIFIED ANSWERS /ALREADY GRADED A+
Bass Method - (correct answer) Most widely used method. Bristles are angled at a
45 degree angel towards the gingiva.
Stillman's Method - (correct answer) Bristles are positioned on the gums rather than
into the pockets and directed at a 45 degree angle.
Charter's Method - (correct answer) Bristles are directed occlusally, away from the
gingiva. Useful for cleaning orthodontic brackets, prosthesis, and areas treated with
surgeries.
Fone's Method - (correct answer) Bristles are moved in large circular motion on the
buccal and lingual surfaces. Useful for children, those physically impaired, or adults who
lack manual dexterity.
Fluoride Varnish - (correct answer) -Dries immediately upon contact with saliva.
-Does not require a professional prophylaxis before hand.
-Can eat and drink immediately after.
-Avoid brushing, rigorous rinsing, or hard foods for 3 to 4 hours.
-Easier and more effective method
Fluoride is recommended for patients who: - (correct answer) -Have xerostomia
-High caries risk
-Undergoing cancer therapy
-Orthodontics
Fluoride Gel or Foam (office application) - (correct answer) -Applied onto tray and
placed in patient's mouth usually for 4 minutes (Read manufactures label).
-Do not eat, drink, or smoke for 30 minutes.
-Most popular types are 1.23% APF and 2% Neutral sodium fluoride.
Stannous Fluoride - (correct answer) -0.4% available for non-prescription use.
-1% neutral sodium fluoride gels available for prescription use.
-Can cause extrinsic staining (especially in patient's with inadequate plaque control).
Acidulated Phosphate Fluoride (APF) - (correct answer) -Do NOT use of
composites, porcelain, or sealant materials as it causing pitting and roughening.
-Also avoid on root surfaces.
,Neutral Sodium Fluoride - (correct answer) Agent of choice on root caries, implants,
cosmetic restorations, and reduced salivary flow.
Second trimester - (correct answer) safest trimester for dental treatment.
Pregnancy gingivitis - (correct answer) -Caused by an elevation of hormones
estrogen and progesterone. Hormones increase can cause exaggerated gingival
response to microorganisms.
Pyrogenic granuloma (Pregnancy tumor) - (correct answer) localized area of
gingival enlargement, typically involving interdental papilla, usually diminishes after
delivery of baby.
What category of LA can use administer to a pregnant patient? - (correct answer)
Category B (lidocaine and prilocaine)
Can you use Nitrous oxide sedation and general sedation on a pregnant patient? -
(correct answer) relative contraindication (gas interferes with the absorption of B-12
and other nutrients).
Early Childhood Caries (ECC) index - (correct answer) -presence of 1 or more areas
of decay on a child younger than 6 years of age
Severe-Early Childhood Caries (S-ECC) index - (correct answer) -Presence of
decay in a child younger than 3 years old.
When should a child's first dental appointment occur? - (correct answer) -Within 6
months of the eruption of the first tooth or before 1-year of age.
When should you first start brushing a child's teeth? - (correct answer) -When the
first tooth appears.
Erosion causes - (correct answer) -Anorexia Nervosa
-Bulimia Nervosa
Anorexia Nervosa - (correct answer) extreme weight loss caused by self-starvation,
excessive exercise, use of laxatives, self-induced vomiting.
Bulimia Nervosa - (correct answer) compulsive disorder that involves periods of
starvation, binging, and purging.
Signs and Symptoms of erosion - (correct answer) -dental caries from vomiting
-Perimolysis: erosion from vomiting mostly on the maxillary lingual surfaces. Raised
appearance of restoration margins.
,Abrasion - (correct answer) -V-shaped notch in the gingival portion of the facial
aspect of the tooth.
-Results from forces of friction between the teeth or external objects.
-Can happen from improper brushing technique or the use of a toothpick or pipe.
Attrition - (correct answer) -Results from forces between the teeth.
-Wear on the incised and occlusal surfaces from grinding.
Abfraction - (correct answer) -Biomechanical destruction related to fatigue, flexure,
and deformation of tooth structure.
-Can appear as a wedge-shaped lesion at the cervical third of the tooth.
What is the most effective public health measure to prevent tooth decay? - (correct
answer) Community Water Fluoridation
New recommended level of fluoride is? - (correct answer) 0.7 ppm
Old level of fluoride is? - (correct answer) 0.7-1.2 ppm
HIV can cause: - (correct answer) -Linear gingival erythema
-Kaposi Sarcoma
-Delayed healing
-Larger than usual ulcers
-Candidiasis
-Etc.
Diabetes can cause: - (correct answer) -Delayed healing
-Periodontal disease
-Candidiasis
-Etc.
ASA 1 - (correct answer) Normal, Healthy
ASA 2 - (correct answer) Pt. with mild systemic diseases.
-Allergies
-Controlled hypertension
-Asthma
-Mild obesity
-Pregnancy
-Cigarette smoking without COPD
-Diabetes without systemic effects
ASA 3 - (correct answer) Pt. with severe systemic disease and some functional
limitation.
-Controlled disease of more than one body system
-Controlled CHF
, -Poorly controlled hypertension
-Morbid obesity
-Respiratory Problems (COPD)
-Stable angina
ASA 4 - (correct answer) Pt with severe systemic disease that is a constant threat to
life.
-Possible risk of death
-Unstable angina
-Symptomatic COPD and CHF
ASA 5 - (correct answer) Moribund patient not expected to survive for more than 24
hours without surgery.
ASA 6 - (correct answer) Brain dead pt.
Radiolucency - (correct answer) Dark areas on the film. Produced by less dense
structures that allows the passage of x-rays. (i.e. cysts)
Radiopaque - (correct answer) Light areas on the film. Produced by denser
structures. (i.e. Lamina Dura)
Overlap - (correct answer) inappropriate horizontal angulation
Foreshortening - (correct answer) too much vertical angulation
Elongation - (correct answer) not enough vertical angulation
Mark across film - (correct answer) bent film
Circular white boarder on film - (correct answer) Cone cut
Herringbone or waffle pattern on film - (correct answer) backwards film
Darker film with outlines of many teeth - (correct answer) double exposure
Film too dark - (correct answer) too much development time; temperature too high
Film too light - (correct answer) not enough development time; temperature too low
Cracked emulsion - (correct answer) sudden temperature change between
developer and fixer.
Darker areas - (correct answer) developing solution touches film before processing
procedure.
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