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ADEX-CSCE DENTAL HYGIENE QUESTIONS AND ANSWERS
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ADEX-CSCE DENTAL HYGIENE QUESTIONS AND ANSWERS
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ADEX-CSCE DENTAL HYGIENE QUESTIONS ANDANSWERS
Dens invaginatus (dens in dente) - Answers-Condition found in teeth where the outer
surface fold inward.
Den evaginatus - Answers-Condition of teeth where the outer surface appears to form
an extra bump. Premolar likely to be effected.
Mesiodens
a) supernumerary Teeth
b) Present @ the middle line
c) result in Oral Problems (such as malocclusion, food impaction, poor aesthetics, &
cyst formation)
d)all of the above - Answers-d) all of the above
Concrescence - Answers-where the cementum overlying the roots of at least 2 teeth join
together. This can cause trauma, Surgical separation of teeth may be necessary when
extracted.
Taurodontism - Answers-The condition found in molar teeth whereby the body of the
tooth & pulp chamber is enlarged vertically at the expense of the roots. Resulting in the
floor of the pulp & the furcation of the tooth is moved apically don the root.
T or F: A periodontal abscess can be probed. - Answers-FALSE: You can not probe a
periodontal abscess.
When taking a Panoramic image, a chin tipped too low will result in... - Answers-
excessive curving of the occlusal plane(joker smile)
When taking a Panoramic image, a chin tipped too high will result in... - Answers-a flat
occlusal plane
When taking a Panoramic image, a slumped position will result in a ... - Answers-ghost
image
Flim placed backwards in the mouth will have a ... - Answers-harringbone or tire track
pattern
4 common reasons why radiograph will appear very light. - Answers-- insufficient
radiation exposure
- insufficient developing time
- using overused developing solution
-developing solution that is too cold
,What is the appearance of film exposed to light - Answers-Film exposed to light appears
black
What is the appearance of the image when a pt. moves? - Answers-The film appears
blurry!!
Penumbra - Answers-blurred edge to an image, a halo effect on film
T or F: a patient should wear a thyroid collar when taking a panoramic image? -
Answers-False. The pt. should not wear a thyroid collar
T or F: Digital film is faster than F speed film - Answers-True
#8 and #9 are present along with first molars, about how old is the person - Answers-6
years old
#22 & #27 are erupted but 2nd molars have yet to erupt, about how old is the patient? -
Answers-9 or 10 years old
permanent premolars erupting, primary molars have exfoliated or near exfoliation
approximate age is ? - Answers-10-12
The pulp of a tooth is composed of - Answers--fibroblast
-blood vessels
-lymphatic channels
-nerves
- connective tissues
Which of the following parts of the tooth is the first to form?
a) enamel
b) dentin
c) cementum
d) pulp - Answers-a) enamel
Mesenchyme gives rise to all of the following except one. Which of the following is the
exception?
a) Enamel
b) Dentin
c) pulp
d) Cementum - Answers-a) enamel, mesenchyme give rise to the dentin pulp &
cementum, but not the enamel
Hypodontia - Answers-LESS than 6 congenitally missing teeth
Oligodontia - Answers-having 6 or MORE congenitally missing teeth
, T or F: bifurcated premolar or canine is a variation of normal - Answers-True
Retrocuspid papillae are found on the: - Answers-Lingual aspects of mandibular
canines, common in children
Another name for Enamelomas - Answers-Enamel pearls
Which is the most common tooth to be ankylosed - Answers-Primary 2nd molar due to
permanent second molar failure to develop
1st evidence of this lesion may appear pink-hued area on crown of tooth - Answers-
Internal Resorption
The Stensen's duct is also known as - Answers-parotid duct
Which gland is wrapped around the mandibular rams and secretes saliva through the
Stensens duct into the mouth. - Answers-Parotid gland
Wharton's duct is also known as the - Answers-submandibular duct
Wharton's duct secretes saliva from the the submandibular and sublingual glands in the
- Answers-sublingual caruncle
Where is the oblique ridge on the maxillary first molar? - Answers-Runs from the DB
cusp to the ML cusp
__________________is an abnormal bend in the root or crown of a tooth - Answers-
Dilaceration
What is the reason for ankylosis?
a) delayed eruption of permanent teeth
b) delayed shedding of the primary teeth
c)delayed eruption of the primary teeth
d) Both A and B are correct answers - Answers-d) Both A and B are correct answers
T or F: a Diastema is hereditary - Answers-True
Which papillae is most numerous on the tongue? - Answers-Filliform
What are the 4 types of papillae found on the tongue? - Answers-- Circumvallate
- Fungiform
- Foliate
- Filiform
Hair tongue is caused by the elongation of what papillae?
a) circumvallate
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