Dental swelling: find the vestibular pocket

Question 1What does cellulitis without a collection look like?

1. aThickened, brighter fat with dark strands between lobules and no discrete pocket
2. bA bright line with a shadow
3. cA round anechoic pocket with a thick rim
4. dNormal thin tissue

Question 2Where does a vestibular collection usually lie?

1. aIn the parotid duct
2. bOnly deep in the neck
3. cAgainst the alveolar bone, superficial to its bright surface
4. dInside the bone's acoustic shadow

Question 3What does colour Doppler usually show around an abscess?

1. aStrong flow throughout the pocket
2. bNo flow anywhere nearby
3. cFlow in the inflamed rim and none in the centre
4. dArterial flow within the fluid

Question 4Which finding puts the airway before more scanning?

1. aA tender upper canine
2. bA normal temperature
3. cTrismus, drooling, voice change or floor-of-mouth swelling
4. dSwelling for one day

Question 5Who treats the source of a dental abscess?

1. aDental or maxillofacial services
2. bOphthalmology
3. cNo one: antibiotics are always enough
4. dDermatology alone