Dental Hygiene- Adex-CSCE Correct
100%
Dens invaginatus (dens in dente) - ANSWERCondition found in teeth where the outer surface fold
inward.
Den evaginatus - ANSWERCondition 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 - ANSWERd) all of the above
Concrescence - ANSWERwhere 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 - ANSWERThe 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. - ANSWERFALSE: You can not probe a periodontal
abscess.
When taking a Panoramic image, a chin tipped too low will result in... - ANSWERexcessive curving of
the occlusal plane(joker smile)
When taking a Panoramic image, a chin tipped too high will result in... - ANSWERa flat occlusal plane
When taking a Panoramic image, a slumped position will result in a ... - ANSWERghost image
Flim placed backwards in the mouth will have a ... - ANSWERharringbone 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 - ANSWERFilm exposed to light appears black
What is the appearance of the image when a pt. moves? - ANSWERThe film appears blurry!!
Penumbra - ANSWERblurred edge to an image, a halo effect on film
T or F: a patient should wear a thyroid collar when taking a panoramic image? - ANSWERFalse. The
pt. should not wear a thyroid collar
T or F: Digital film is faster than F speed film - ANSWERTrue
#8 and #9 are present along with first molars, about how old is the person - ANSWER6 years old
#22 & #27 are erupted but 2nd molars have yet to erupt, about how old is the patient? - ANSWER9
or 10 years old
permanent premolars erupting, primary molars have exfoliated or near exfoliation approximate age
is ? - ANSWER10-12
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 - ANSWERa) 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 - ANSWERa) enamel, mesenchyme give rise to the dentin pulp & cementum, but not
the enamel
Hypodontia - ANSWERLESS than 6 congenitally missing teeth
Oligodontia - ANSWERhaving 6 or MORE congenitally missing teeth
T or F: bifurcated premolar or canine is a variation of normal - ANSWERTrue
Retrocuspid papillae are found on the: - ANSWERLingual aspects of mandibular canines, common in
children
Another name for Enamelomas - ANSWEREnamel pearls
Which is the most common tooth to be ankylosed - ANSWERPrimary 2nd molar due to permanent
second molar failure to develop
1st evidence of this lesion may appear pink-hued area on crown of tooth - ANSWERInternal
Resorption
The Stensen's duct is also known as - ANSWERparotid duct
Which gland is wrapped around the mandibular rams and secretes saliva through the Stensens duct
into the mouth. - ANSWERParotid gland
100%
Dens invaginatus (dens in dente) - ANSWERCondition found in teeth where the outer surface fold
inward.
Den evaginatus - ANSWERCondition 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 - ANSWERd) all of the above
Concrescence - ANSWERwhere 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 - ANSWERThe 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. - ANSWERFALSE: You can not probe a periodontal
abscess.
When taking a Panoramic image, a chin tipped too low will result in... - ANSWERexcessive curving of
the occlusal plane(joker smile)
When taking a Panoramic image, a chin tipped too high will result in... - ANSWERa flat occlusal plane
When taking a Panoramic image, a slumped position will result in a ... - ANSWERghost image
Flim placed backwards in the mouth will have a ... - ANSWERharringbone 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 - ANSWERFilm exposed to light appears black
What is the appearance of the image when a pt. moves? - ANSWERThe film appears blurry!!
Penumbra - ANSWERblurred edge to an image, a halo effect on film
T or F: a patient should wear a thyroid collar when taking a panoramic image? - ANSWERFalse. The
pt. should not wear a thyroid collar
T or F: Digital film is faster than F speed film - ANSWERTrue
#8 and #9 are present along with first molars, about how old is the person - ANSWER6 years old
#22 & #27 are erupted but 2nd molars have yet to erupt, about how old is the patient? - ANSWER9
or 10 years old
permanent premolars erupting, primary molars have exfoliated or near exfoliation approximate age
is ? - ANSWER10-12
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 - ANSWERa) 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 - ANSWERa) enamel, mesenchyme give rise to the dentin pulp & cementum, but not
the enamel
Hypodontia - ANSWERLESS than 6 congenitally missing teeth
Oligodontia - ANSWERhaving 6 or MORE congenitally missing teeth
T or F: bifurcated premolar or canine is a variation of normal - ANSWERTrue
Retrocuspid papillae are found on the: - ANSWERLingual aspects of mandibular canines, common in
children
Another name for Enamelomas - ANSWEREnamel pearls
Which is the most common tooth to be ankylosed - ANSWERPrimary 2nd molar due to permanent
second molar failure to develop
1st evidence of this lesion may appear pink-hued area on crown of tooth - ANSWERInternal
Resorption
The Stensen's duct is also known as - ANSWERparotid duct
Which gland is wrapped around the mandibular rams and secretes saliva through the Stensens duct
into the mouth. - ANSWERParotid gland
