Exam (elaborations)
DENTAL HYGIENE OSCE EXAM GRADED A % VERIFIED AND CORRECT ANSWERS
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DENTAL HYGIENE OSCE EXAM GRADED A % VERIFIED AND CORRECT ANSWERS
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DENTAL HYGIENE OSCE EXAMGRADED A 2024-2025 100% VERIFIED AND CORRECT
ANSWERS
Outline border of another film - Films stuck together in solutions.
White spots on film - air bubbles trapped during processing.
Thin, black, branchlike lines on film - Static lines caused by low humidity and opening
film packet too quickly.
Fogged films - improper safelight, light leaking into dark room, outdated film.
"V" or "Sharks fin" on pano - caused by lead collar.
Exaggerated smile on pano - chin tipped down too far
Flat smile on pano - chin tipped too far up
Mandibular incisors roots blurred on pano - chin tipped too far down
Bass Method - Most widely used method. Bristles are angled at a 45 degree angel
towards the gingiva.
Stillman's Method - Bristles are positioned on the gums rather than into the pockets and
directed at a 45 degree angle.
Charter's Method - Bristles are directed occlusally, away from the gingiva. Useful for
cleaning orthodontic brackets, prosthesis, and areas treated with surgeries.
Fone's Method - 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 - -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: - -Have xerostomia
-High caries risk
-Undergoing cancer therapy
-Orthodontics
What is the most effective public health measure to prevent tooth decay? - Community
Water Fluoridation
New recommended level of fluoride is? - 0.7 ppm
Old level of fluoride is? - 0.7-1.2 ppm
HIV can cause: - -Linear gingival erythema
-Kaposi Sarcoma
-Delayed healing
-Larger than usual ulcers
-Candidiasis -Etc.
Diabetes can cause: - -Delayed healing
-Periodontal disease
-Candidiasis -Etc.
ASA 1 - Normal, Healthy
ASA 2 - Pt. with mild systemic diseases.
-Allergies
-Controlled hypertension
-Asthma
-Mild obesity
-Pregnancy
-Cigarette smoking without COPD
-Diabetes without systemic effects
ASA 3 - 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 - Pt with severe systemic disease that is a constant threat to life.
-Possible risk of death
, -Unstable angina
-Symptomatic COPD and CHF
ASA 5 - Moribund patient not expected to survive for more than 24 hours without
surgery.
ASA 6 - Brain dead pt.
Radiolucency - Dark areas on the film. Produced by less dense structures that allows
the passage of x-rays. (i.e. cysts)
Radiopaque - Light areas on the film. Produced by denser structures. (i.e. Lamina Dura)
Overlap - inappropriate horizontal angulation
Foreshortening - too much vertical angulation
Elongation - not enough vertical angulation
Mark across film - bent film
Circular white boarder on film - Cone cut
Herringbone or waffle pattern on film - backwards film
Darker film with outlines of many teeth - double exposure
Film too dark - too much development time; temperature too high
Film too light - not enough development time; temperature too low
Cracked emulsion - sudden temperature change between developer and fixer.
Darker areas - developing solution touches film before processing procedure.
Lighter areas - fixer solution touches film before processing procedure.
Yellow/brown stains on film - exhausted solutions or insufficient washing.
Straight white border on film - developer cutoff caused by incomplete immersion of film
into developer.
Straight black border - fixer cutoff caused by incomplete immersion of film into fixer.
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