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COMD 4450 EXAM 1 2026 LATEST
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
WHen do the first deciduous teeth usually appear? - correct
answer -7 months
WHen are all baby teeth in? - correct answer -age 2
When do permanent teeth begin to appear? - correct answer -age
6 or 7
When do the last permanent teeth erupt? - correct answer -17-21
years old
What is mixed dentition? - correct answer -some baby teeth,
some permanent teeth
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The upper and lower dental arches are in normal occlusion: -
correct answer -Class 1 Neurtocclusion
The mandible is too far forward in relation to the maxilla: - correct
answer -Class III Mesiocclusion
(underbite)
The mandible is too far back in relation to the maxilla: - correct
answer -Class II Distocclusion
(overbite)
extrateeth - correct answer -supernumerary
__________ may be caused by a tongue thrust. - correct answer -
Open bite
Top tooth far ahead of bottom toothL - correct answer -Overjet
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Right on top of each other (end to end bite) - correct answer -
Closebite
Teeth don't meet in the middle: - correct answer -Crossbite
OPE tongue structure: - correct answer -coloration
size
signs of atrophy (weakness)
abnormal ovements
faciculations _writing movements)
OPE tongue function: - correct answer -mobility (back and forth, in
circles)
strength (push against tongue depressor)
check of ankyglossia (tongue tie--will look like "w" if severe)
DDKs (tata, kaka, pata, taka, pataka)
OPE structure of hard palate: - correct answer --coloration at
midline (pink to white; a blue streak at the midline indicates a sub
mucous cleft palate)
COMD 4450 EXAM 1 2026 LATEST
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
WHen do the first deciduous teeth usually appear? - correct
answer -7 months
WHen are all baby teeth in? - correct answer -age 2
When do permanent teeth begin to appear? - correct answer -age
6 or 7
When do the last permanent teeth erupt? - correct answer -17-21
years old
What is mixed dentition? - correct answer -some baby teeth,
some permanent teeth
, Page | 2
The upper and lower dental arches are in normal occlusion: -
correct answer -Class 1 Neurtocclusion
The mandible is too far forward in relation to the maxilla: - correct
answer -Class III Mesiocclusion
(underbite)
The mandible is too far back in relation to the maxilla: - correct
answer -Class II Distocclusion
(overbite)
extrateeth - correct answer -supernumerary
__________ may be caused by a tongue thrust. - correct answer -
Open bite
Top tooth far ahead of bottom toothL - correct answer -Overjet
, Page | 3
Right on top of each other (end to end bite) - correct answer -
Closebite
Teeth don't meet in the middle: - correct answer -Crossbite
OPE tongue structure: - correct answer -coloration
size
signs of atrophy (weakness)
abnormal ovements
faciculations _writing movements)
OPE tongue function: - correct answer -mobility (back and forth, in
circles)
strength (push against tongue depressor)
check of ankyglossia (tongue tie--will look like "w" if severe)
DDKs (tata, kaka, pata, taka, pataka)
OPE structure of hard palate: - correct answer --coloration at
midline (pink to white; a blue streak at the midline indicates a sub
mucous cleft palate)
