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.

(4) only

All of the above.

(1) and (3)

(1) (2) (3)

(2) and (4)

• 0 explanations
• 0 requizzes

Which of the following are characteristic symptoms of acute pulpitis? 1. Spontaneous throbbing pain. 2. Prolonged pain initiated by heat. 3. Pain on percussion. 4. Increased pain by cold.

(4) only

All of the above.

(1) and (3)

(1) (2) (3)

(2) and (4)

• 0 explanations
• 0 requizzes

In Canada, it is ethical for a dentist to refuse to treat a patient on the basis of the

complexity of the required treatment.

patient’s physical handicap.

patient’s religious beliefs.

patient’s infectious disease status.

• 0 explanations
• 0 requizzes

Management of a patient with an acute periapical abscess should include 1. elimination of the cause. 2. drainage. 3. supportive therapy. 4. external hot compresses.

(4) only

All of the above.

(1) and (3)

(1) (2) (3)

(2) and (4)

• 0 explanations
• 0 requizzes

Lidocaine (Xylocaine) is an example of a local anesthetic which is chemically classified as an

ethamine.

aminide.

ester.

amide.

aldehyde.

• 0 explanations
• 0 requizzes

Resin bonding of composites to acid-etched enamel results in

improved wear resistance of the composite.

decreased crack formation in the enamel.

decreased polymerization shrinkage of the resin.

reduced microleakage.

• 0 explanations
• 0 requizzes

A patient with congestive heart failure may have 1. epistaxis. 2. shortness of breath. 3. exophthalmos. 4. pitting edema of the ankles.

(4) only

All of the above.

(1) and (3)

(1) (2) (3)

(2) and (4)

• 0 explanations
• 0 requizzes

Which of the following can be characterized by a narrowing of pulp chambers and root canals? 1. Aging. 2. Chronic trauma. 3. Dentinal dysplasia. 4. Taurodontism.

(4) only

All of the above.

(1) and (3)

(1) (2) (3)

(2) and (4)

• 0 explanations
• 0 requizzes

A healthy 38 year old has a 4mm in diameter, well defined radiolucency at the apex of tooth 4.1. The tooth has a normal response to vitality tests. The most appropriate management is

apicoectomy.

open the tooth for drainage.

extraction.

incision and drainage.

observation.

• 0 explanations
• 0 requizzes

Which one of the following would be of greatest value in determining the etiology of an oral ulceration?

Laboratory tests.

Cytological smear.

History of the oral lesion.

Systemic evaluation.

• 0 explanations
• 0 requizzes

Palpation gives information as to 1. induration. 2. tenderness. 3. size. 4. fixation. 5. mobility.

(1) (2) (4) (5)

All of the above.

(2) and (5)

(1) (3) (4)

(2) (4) (5)

• 0 explanations
• 0 requizzes

Exfoliative cytology is of value in the diagnosis of

benign mucous membrane pemphigoid.

erythema multiforme.

aphthous ulceration.

lichen planus.

herpes simplex.

• 0 explanations
• 0 requizzes

A 2cm, discrete, white lesion of the buccal mucosa has not resolved after elimination of all local irritants. The most appropriate management would be to

re-examine at 6 month intervals.

refer patient to family physician.

apply toluidine blue staining.

cauterize it.

perform an incisional biopsy.

• 0 explanations
• 0 requizzes

An occluded submandibular duct can be diagnosed by

occlusal radiographs.

All of the above.

palpation.

history.

sialography.

• 0 explanations
• 0 requizzes

The redness of an inflammatory lesion of oral mucosa is due to

decreased connective tissue elements.

All of the above.

increased size of capillaries.

increased number of capillaries.

decreased thickness of epithelium.

• 0 explanations
• 0 requizzes

The term "carcinoma in situ" implies that the lesion shows

distant metastasis of a malignant tumour.

early invasion of malignant cells through the basement membrane.

metaplasia.

dysplasia of cells confined within the epithelium.

• 0 explanations
• 0 requizzes

Which of the following is/are NOT usually affected by hereditary ectodermal dysplasia?

Hair.

Fingernails.

Teeth.

Salivary glands.

Sweat glands.

• 0 explanations
• 0 requizzes

Which of the following is NEVER associated with an impacted tooth?

Primordial cyst.

Ameloblastoma.

Odontogenic myxoma.

Adeno-ameloblastoma.

Pindborg's tumor.

• 0 explanations
• 0 requizzes

Multinucleated giant cells are associated with 1. plasmocytoma. 2. odontogenic myxoma. 3. hyperparathyroidism. 4. tuberculosis. 5. osteoclastoma.

(3) (4) (5)

(2) (4) (5)

(2) and (3)

(1) (3) (4)

(2) and (4)

• 0 explanations
• 0 requizzes