Which of the following describes thin radiolucent lines of fairly uniform width that sometimes exhibit radiopaque borders and are commonly found on mandibular anterior intraoral radiographs?
A) Enamel
B) Lamina dura
C) Nutrient canals
D) Genial tubercles
C
Explanation: A) The nutrient canals are thin radiolucent lines of fairly uniform width that sometimes exhibit radiopaque borders.
B) The nutrient canals are thin radiolucent lines of fairly uniform width that sometimes exhibit radiopaque borders.
C) The nutrient canals are thin radiolucent lines of fairly uniform width that sometimes exhibit radiopaque borders.
D) The nutrient canals are thin radiolucent lines of fairly uniform width that sometimes exhibit radiopaque borders.
You might also like to view...
What term describes a surgical incision in the neck that is held open by a metal or plastic tube through which a patient can breathe or be placed on a ventilator?
A) Tracheostomy B) Tracheopharyngeal fistula C) Stoma D) Cricothyrotomy
Each of the following statements regarding preparations for bitewing exams is correct except one. Which one is the exception?
A) The dental x-ray machine should be turned on and the exposure setting selected prior to placing the image receptor intraorally. B) The radiographic procedure should be explained to the patient prior to beginning the exposures. C) The patient's head should be positioned with the mean tangent parallel to the floor. D) The patient should be asked to remove eyeglasses and all intraoral appliances prior to placement of the image receptor.