ADEX DENTAL HYGIENE EXAM 2026 ACTUAL
TEST PAPER VERIFIED SOLUTIONS
◉ 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
◉ Oligodontia Answer: having 6 or MORE congenitally missing teeth
◉ T or F: bifurcated premolar or canine is a variation of normal Answer:
True
◉ Retrocuspid papillae are found on the: Answer: Lingual aspects of
mandibular canines, common in children
TEST PAPER VERIFIED SOLUTIONS
◉ 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
◉ Oligodontia Answer: having 6 or MORE congenitally missing teeth
◉ T or F: bifurcated premolar or canine is a variation of normal Answer:
True
◉ Retrocuspid papillae are found on the: Answer: Lingual aspects of
mandibular canines, common in children
