Radiographic Interpretation Flashcards
7 cards from real ADEX practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Radiographic Interpretation flashcards as text
Which radiographic feature best distinguishes a periapical abscess from a periapical granuloma?
Answer: Both appear identical radiographically and cannot be differentiated
Periapical abscesses and granulomas cannot be reliably distinguished from each other radiographically; histopathologic examination is required for definitive diagnosis.
On a bitewing radiograph, what does a triangular-shaped radiolucency at the crestal bone between two teeth most likely indicate?
Answer: Early interproximal bone loss due to periodontal disease
A triangular radiolucency at the crestal bone interproximally is characteristic of early horizontal bone loss associated with periodontal disease.
A radiograph reveals a radiolucent lesion with scalloped borders surrounding the crowns of multiple impacted teeth. What is the most likely diagnosis?
Answer: Gorlin-Goltz syndrome (nevoid basal cell carcinoma)
Multiple odontogenic keratocysts surrounding impacted teeth are pathognomonic of Gorlin-Goltz syndrome (nevoid basal cell carcinoma syndrome).
The lamina dura appears as a thin radiopaque line surrounding the root on a periapical radiograph. What does loss of the lamina dura most commonly indicate?
Answer: Hyperparathyroidism or Paget's disease
Loss of the lamina dura is associated with metabolic conditions such as hyperparathyroidism, Paget's disease, and osteomalacia.
Which type of bone loss pattern on a radiograph is most commonly associated with localized aggressive periodontitis?
Answer: Vertical or angular bone loss localized to first molars and incisors
Localized aggressive periodontitis classically presents with vertical bone loss concentrated around first molars and incisors in an otherwise healthy periodontium.
A patient's panoramic radiograph shows a radiopaque mass with a 'cotton-wool' or 'ground-glass' appearance in the jaw. What condition does this most likely represent?
Answer: Florid cemento-osseous dysplasia or Paget's disease of bone
A 'cotton-wool' or 'ground-glass' radiographic pattern in the jaws is characteristic of Paget's disease of bone or florid cemento-osseous dysplasia.
On a periapical radiograph, internal root resorption appears as:
Answer: An oval or round radiolucent enlargement within the root canal space
Internal root resorption presents as a round or oval radiolucent widening originating from within the root canal, caused by pulpal cells.