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.
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