CORRECT ANSWERS|LATEST
Dens invaginatus (dens in dente) - ANSWER Condition found in teeth where the outer
surface fold inward.
Den evaginatus - ANSWER 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 - ANSWER d) all of the above
Concrescence - ANSWER 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 - ANSWER 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. - ANSWER FALSE: You can not probe a
periodontal abscess.
When taking a Panoramic image, a chin tipped too low will result in... -
ANSWER excessive curving of the occlusal plane(joker smile)
,When taking a Panoramic image, a chin tipped too high will result in... - ANSWER a flat
occlusal plane
When taking a Panoramic image, a slumped position will result in a ... - ANSWER ghost
image
Flim placed backwards in the mouth will have a ... - ANSWER harringbone or tire track
pattern
4 common reasons why radiograph will appear very light. - ANSWER - 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 - ANSWER Film exposed to light appears
black
What is the appearance of the image when a pt. moves? - ANSWER The film appears
blurry!!
Penumbra - ANSWER 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? -
ANSWER False. The pt. should not wear a thyroid collar
T or F: Digital film is faster than F speed film - ANSWER True
#8 and #9 are present along with first molars, about how old is the person - ANSWER 6
years old
, #22 & #27 are erupted but 2nd molars have yet to erupt, about how old is the patient? -
ANSWER 9 or 10 years old
permanent premolars erupting, primary molars have exfoliated or near exfoliation
approximate age is ? - ANSWER 10-12
The pulp of a tooth is composed of - ANSWER -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 - ANSWER 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 - ANSWER a) enamel, mesenchyme give rise to the dentin pulp &
cementum, but not the enamel
Hypodontia - ANSWER LESS than 6 congenitally missing teeth
Dens invaginatus (dens in dente) - ANSWER Condition found in teeth where the outer
surface fold inward.
Den evaginatus - ANSWER 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 - ANSWER d) all of the above
Concrescence - ANSWER 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 - ANSWER 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. - ANSWER FALSE: You can not probe a
periodontal abscess.
When taking a Panoramic image, a chin tipped too low will result in... -
ANSWER excessive curving of the occlusal plane(joker smile)
,When taking a Panoramic image, a chin tipped too high will result in... - ANSWER a flat
occlusal plane
When taking a Panoramic image, a slumped position will result in a ... - ANSWER ghost
image
Flim placed backwards in the mouth will have a ... - ANSWER harringbone or tire track
pattern
4 common reasons why radiograph will appear very light. - ANSWER - 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 - ANSWER Film exposed to light appears
black
What is the appearance of the image when a pt. moves? - ANSWER The film appears
blurry!!
Penumbra - ANSWER 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? -
ANSWER False. The pt. should not wear a thyroid collar
T or F: Digital film is faster than F speed film - ANSWER True
#8 and #9 are present along with first molars, about how old is the person - ANSWER 6
years old
, #22 & #27 are erupted but 2nd molars have yet to erupt, about how old is the patient? -
ANSWER 9 or 10 years old
permanent premolars erupting, primary molars have exfoliated or near exfoliation
approximate age is ? - ANSWER 10-12
The pulp of a tooth is composed of - ANSWER -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 - ANSWER 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 - ANSWER a) enamel, mesenchyme give rise to the dentin pulp &
cementum, but not the enamel
Hypodontia - ANSWER LESS than 6 congenitally missing teeth
