bon

Similar questions:

In an infrabony pocket, the epithelial attachment is located

apical to alveolar bone crest.
Released Written Exam book 1 2006

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

For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration.

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

During the extraction of an isolated maxillary second molar, the bony floor of the sinus is removed with the tooth. Your immediate treatment would be to

approximate the soft tissue as accurately as possible without irrigating.
NDEB released questions set 1

The discontinuity of the lamina dura on a radiograph may be a consequence of
1. pulpitis.
2. metastatic carcinoma.
3. parathyroid hyperplasia.
4. eburnated bone.

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

Surgery of irradiated bone is complicated by the fact that the

All of the above.
NDEB released questions set 2

Radiographically, a benign bone neoplasm can be differentiated from a malignant one because in the benign lesion
1. the margins are irregular and fade into the surrounding bone.
2. the cortex remains intact.
3. the margins are defined and demarcated.
4. there can be perforation of the periosteum.

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

Crown-root ratio and residual bone support can best be seen radiographically in a

periapical film - paralleling technique.
NDEB released questions part 2 set 1

The last bone in the craniofacial complex to stop growing is the

mandible.
NDEB released questions part 2 set 1

Which of the following types of bone contain the insertions of the periodontal ligament fibres?

Bundle.
NDEB released questions part 2 set 2

Which of the following is NOT a true cyst?
1. Dentigerous cyst.
2. Odontogenic keratocyst.
3. Traumatic bone cyst.
4. Radicular cyst.
5. Lateral periodontal cyst.

(3) and (5)
NDEB released questions set 2

Resin bonding of composites to acid-etched enamel results in

reduced microleakage.
NDEB released questions set 2

Which of the following cements can chemically bond to enamel?
1. Zinc phosphate cement.
2. Polycarboxylate cement.
3. Reinforced zinc oxide eugenol cement.
4. Glass ionomer cement.

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

A 65 year old patient has a tendency for urinary tract stones. Radiographic examination shows generalized loss of the lamina dura and a “ground glass” appearance of the bone. What is the most likely diagnosis?

Hyperparathyroidism.
NDEB released questions part 2 set 2