ADEX Review Practice Study Guide Test.
Dens invaginatus - CORRECT ANSWER "Dens in dente"
Inside the tooth
Dens evaginatus - CORRECT ANSWER Forms an extra bump or cusp
Premolars most likely affected
Outside the tooth
Recent Extraction side on X-ray disappears after how long? - CORRECT...
ADEX Review Practice Study Guide Test.
Dens invaginatus - CORRECT ANSWER "Dens in dente"
Inside the tooth
Dens evaginatus - CORRECT ANSWER Forms an extra bump or cusp
Premolars most likely affected
Outside the tooth
Recent Extraction side on X-ray disappears after how long? - CORRECT ANSWER About 18 months
What is mesiodens? - CORRECT ANSWER Supernumerary tooth in the midline between central incisors
What problems does mesiodens cause? - CORRECT ANSWER Malocclusion
Food impaction
Poor aesthetics
Cyst formation
Concrescence is? And caused by what? - CORRECT ANSWER Cementum joins two teeth together
Caused by crowding or trauma
Taurodontism caused by? - CORRECT ANSWER Failure or late invagination of Hertwigs epithelial root
sheath
Where are lateral perio cysts found? Can they be probed? - CORRECT ANSWER Between mandibular
premolars on the mesial side of the man 1st premolar
CANNOT be probed
, When taking a pan X-ray do they need a thyroid collar? - CORRECT ANSWER No
If you take a periapical radiograph of the upper right molars and you see a ghost image of the anterior
teeth, what happened? - CORRECT ANSWER Film was double exposed
Digital film is: - CORRECT ANSWER Faster than F speed film
What can a pan best detect? - CORRECT ANSWER Third molars or cysts/tumors
If 8 and 9 are present, and so are the permanent first molars how old is the patient? - CORRECT ANSWER
At least 6 yrs old
If lower permanent canines are erupted then the patient is most likely around? - CORRECT ANSWER 9-
10yrs
Patient shouldn't have 2nd molars yet
If you see permanent premolars erupting and the primary molars have exfoliated, how old are they? -
CORRECT ANSWER 10-12yrs
When does first permanent molar erupt? - CORRECT ANSWER 6yrs
Pulp is composed of? - CORRECT ANSWER Fibroblasts, blood vessels, lymphatic channels, nerves and
connective tissue
Which of the following parts of the tooth is the first to form? - CORRECT ANSWER Enamel
Mesenchyme gives rise to all of the following except? - CORRECT ANSWER Enamel
Gives rise to: dentin, pulp, cementum
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