A periapical infection of a mandibular third molar may spread by direct extension to the
1. parapharyngeal space.
2. submandibular space.
3. pterygomandibular space.
4. submental space.

Similar questions:

Which of the following statements is/are true?
1. Radiographs cannot differentiate between infected and non-infected periapical lesions.
2. A definitive diagnosis of an apical lesion cannot be made on radiography alone.
3. Periapical radiolucencies are not always indicative of loss of pulp vitality.
4. A periapical radiograph can be used to locate the buccal bone level.

(1) (2) (3)
NDEB released questions set 1

Which of the following statements is/are true?
1. Radiographs cannot differentiate between infected and non-infected periapical lesions.
2. A definitive diagnosis of an apical lesion cannot be made on radiography alone.
3. Periapical radiolucencies are not always indicative of loss of pulp vitality.
4. A periapical radiograph can be used to locate the buccal bone level.

(1) (2) (3)
NDEB released questions set 1

A periapical radiolucency can represent a
1. periapical granuloma.
2. radicular cyst.
3. metastatic carcinoma.
4. mental foramen.

All of the above.
NDEB released questions set 2

In the early stage, a periapical abscess can be differentiated from a lateral periodontal abscess by

response of pulp to electrical stimulation.
NDEB released questions set 2

A periapical radiolucency associated with a vital maxillary central incisor can represent a
1. nasopalatine cyst.
2. dentigerous cyst.
3. foramen of the incisive canal.
4. periapical granuloma.

(1) and (3)
NDEB released questions set 2

On a periapical radiograph, what reduction in mineral content must be lost to detect a change?

30-40%.
NDEB released questions part 2 set 2

A well circumscribed 3mm radiolucent lesion is present in the apical region of the mandibular second premolar. The lesion may be
1. a periapical granuloma.
2. a periapical cyst.
3. a chronic periapical abscess.
4. the mental foramen.

(2) and (4)
NDEB released questions set 2

Which of the following statements is/are true?
1. Radiographs cannot differentiate between infected and non-infected periapical
lesions.
2. A definitive diagnosis of an apical lesion cannot be made on radiography alone.
3. Periapical radiolucencies are not always indicative of loss of pulp vitality.
4. A periapical radiograph can be used to locate the buccal bone level.

(1) (2) (3)
NDEB released questions 2012 online set 2

A periapical granuloma is
1. radiolucent.
2. painless.
3. neoplastic.
4. inflammatory.

(1) (2) (4)
NDEB released questions set 3

A periapical granuloma can be differentiated from a radicular cyst by

biopsy.
NDEB released questions part 2 set 3

A periapical granuloma

is asymptomatic
NDEB released questions part 2 set 4

A periapical radiograph reveals a mesiodens in a 7-year old. The maxillary right central incisor has erupted only partially. The maxillary left central incisor has not yet appeared. The proper threatment in this situation is to

remove the mesiodens and observe progress carefully
NDEB released questions part 2 set 5

On a periapical radiograph, the coronoid process is most likely to be superimposed over the apices of the

maxillary third molar
NDEB released questions part 2 set 6

A 9 year old boy sustains a fracture of the crown of his central incisor with minimal pulp exposure. The accident occurred one hour prior. A periapical radiograph reveals that the root of the tooth is intact but the apex is open. The most appropriate treatment is to

pulp cap with calcium hydroxide and restore
NDEB released questions part 2 set 12

The antibiotic of choice for a periapical dental abscess is

pen V
NDEB released questions part 2 set 12