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Article: Challenges in plain film radiographic diagnosis for the dental team

1. The maxillary sinus:

A. is also known as the Schnediderian sinus

B. is lined by a continuum of oral epithelium

C. drains into the middle meatus of the inner ear

D. has the maxillary palate as its base

2. Pneumatisation:

A. is unique to the maxillary sinus

B. can increase the risk of oral antral communication

C. when present, means that oral antral commuication and oral antral fistula are synonymous

D. is extremely rare between adjacent teeth

3. Benign lesions:

A. of odontogenic origin tend to displace the floor of the maxillary sinus in an inferior direction

B. arising within the maxillary sinus significantly depress the floor

C. with an overlying cortical outline are likely to be of an odontogenic origin

D. cause a characteristic appearance known as an antral corona

4. Which of the following statements is true?

A. sinusitis and inflammatory mucosal thickening of the maxillary sinus are the same

B. odontogenic cysts within the maxillary sinuses appear as rounded, soft tissue masses in the region of the floor

C. maxillary sinus malignancies are common

D. malignant lesions generally cause bone expansion rather than destruction

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