Advanced caries is seen radiographically as a radiolucency that
A) penetrated less than halfway through the enamel.
B) penetrated over halfway through the enamel but did not reach the DEJ.
C) penetrated at or through the DEJ but less than halfway through the dentin toward the pulp.
D) penetrated over halfway through the dentin toward the pulp.
C
Explanation: A) Advanced caries appear as a radiolucency that takes on a double triangle shape, first through the enamel with the apex pointing toward the DEJ, and a second triangle base spreading along the DEJ with the apex pointing toward the pulp. This radiolucency is less than halfway through the dentin toward the pulp.
B) Advanced caries appear as a radiolucency that takes on a double triangle shape, first through the enamel with the apex pointing toward the DEJ, and a second triangle base spreading along the DEJ with the apex pointing toward the pulp. This radiolucency is less than halfway through the dentin toward the pulp.
C) Advanced caries appear as a radiolucency that takes on a double triangle shape, first through the enamel with the apex pointing toward the DEJ, and a second triangle base spreading along the DEJ with the apex pointing toward the pulp. This radiolucency is less than halfway through the dentin toward the pulp.
D) Advanced caries appear as a radiolucency that takes on a double triangle shape, first through the enamel with the apex pointing toward the DEJ, and a second triangle base spreading along the DEJ with the apex pointing toward the pulp. This radiolucency is less than halfway through the dentin toward the pulp.
You might also like to view...
What should NOT be used to immobilize a hip fracture?
A) Long boards B) Traction splint C) Backboard straps D) Pillows/towels
Heat release rates of pool fires are dependent on which of the following?
A) Surface area exposed to air B) Heat of combustion of the fuel C) Both A and B D) None of the above
A patient diagnosed with chronic pericarditis presents for complete removal of the pericardium, which is performed under cardiopulmonary bypass. Report code _____
a. 33020
b. 33030
c. 33031
d. 33050
Higher levels of exhaled carbon dioxide indicate hypercapnea, which is often due to:
A) hyperventilation syndrome. B) inadequate ventilation. C) excessive BVM ventilation. D) adequate ventilation.