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50 Cards in this Set
- Front
- Back
The vibrating line of the palate is
A. a line or area which marks the movement of the soft palate. B. always on the hard palate. C. a well defined line across the palate. D. not a useful landmark in complete denture fabrication. |
A. a line or area which marks the
movement of the soft palate. |
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One week following the placement of a
small, Class II composite resin, the patient returns with pulpitis. The most likely cause is A. microleakage. B. hyperocclusion of the restoration. C. polymerisation expansion of the restoration. D. incomplete curing |
A. microleakage.
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The pulpal floor of a Class II cavity is cut
perpendicular to the long axis of the tooth EXCEPT in the A. maxillary first premolar. B. maxillary second premolar. C. mandibular second premolar. D. mandibular first premolar. |
D. mandibular first premolar.
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Which of the following is immediately
distal to the intermaxillary suture? A. Mandibular central incisor. B. Mandibular canine. C. Maxillary central incisor. D. Maxillary canine. |
D. Maxillary canine.
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Trephination is indicated when
A. a soft tissue swelling is fluctuant and pointing. B. an acute pulpitis is present. C. pus is trapped within bone. D. a chronic periapical lesion is present. |
C. pus is trapped within bone.
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The premolar with the occlusal groove
pattern simulating the letter “Y” is the A. maxillary first premolar. B. mandibular first premolar. C. maxillary second premolar. D. mandibular second premolar. |
D. mandibular second premolar.
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Lichen planus occurs most frequently on
the A. buccal mucosa. B. tongue. C. floor of the mouth. D. gingiva. |
A. buccal mucosa.
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The epithelial lining of a radicular cyst is
derived from A. the epithelial cell rests of Malassez. B. oral epithelium proliferating apically from a periodontal pocket. C. endothelial proliferation of capillaries in the area. D. metaplasia of histiocytes and/or cementoblasts. |
A. the epithelial cell rests of Malassez.
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The primordial cyst probably results from
A. cystic degeneration of the stellate reticulum early in the formation of the tooth. B. epithelial remnants in the periodontal ligament. C. an extension of pulpal inflammation after death of the pulp. D. failure of formation of the enamel matrix. E. the dental lamina |
A. cystic degeneration of the stellate
reticulum early in the formation of the tooth. |
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Secondary dentin formation may be
stimulated by A. pulp necrosis. B. fluorosis. C. attrition. D. vitamin D therapy. |
C. attrition.
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A 15-year old presents with hypoplastic
enamel on tooth 1.5. All other teeth are normal. This was most probably caused by a/an A. vitamin D deficiency. B. generalized calcium deficiency. C. high fever encountered by the patient when he had measles at age 3. D. infection of tooth 5.5 during the development of tooth 1.5. E. hereditary factor. |
D. infection of tooth 5.5 during the
development of tooth 1.5. |
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The characteristic colour seen in the
crowns of teeth with internal resorption is due to A. deposition of pigment in the cells of the odontoblast layer. B. the presence of hyperplastic vascular pulp tissue. C. a peculiar change of consistency of the dentin. D. an optical phenomenon related to the difference in the refractive indices of the normal and affected areas. E. the degeneration and necrosis of the pulp tissue. |
B. the presence of hyperplastic vascular
pulp tissue. |
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Presence of periodontal pockets, increased
tooth mobility, pus formation and bad breath are most frequently associated with A. necrotizing ulcerative periodontitis (NUP). B. herpetic gingivostomatitis. C. advanced chronic periodontitis. D. avitaminosis B complex. E. aplastic anemia. |
A. necrotizing ulcerative
periodontitis (NUP). |
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Recurrent herpes labialis is
A. caused by a different organism than is primary herpetic stomatitis. B. a form of disease which heals by scarring. C. seen more frequently in adult patients. D. not a contagious lesion. E. a venereal disease. |
C. seen more frequently in adult
patients |
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The radiographic image of the incisive
foramen is located between the roots of the maxillary A. incisors above their apices. B. central and lateral incisors below their apices. C. central incisors below their apices. D. central and lateral incisors above their apices. |
C. central incisors below their apices.
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If hypothyroidism occurs in the adult, it
can be associated with A. exophthalmos. B. weight loss. C. generalized edema. D. tachycardia. E. mental defects |
C. generalized edema.
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"Tic douloureux" is synonymous with
A. psychogenic facial pain. B. trigeminal neuralgia. C. facial paralysis. D. temporomandibular joint dysfunction syndrome |
B. trigeminal neuralgia.
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Postoperative bleeding in
thrombocytopenic purpura is due to a deficiency of A. vitamin C. B. vitamin K. C. prothrombin. D. platelets. |
D. platelets.
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Which of the following conditions is most
likely to lead to thrombosis? A. Stasis of blood. B. Presence of bacteria in blood. C. Deficiency of circulating platelets. D. Increased concentration of plasma. E. Lowered oxygenation of hemoglobin. |
A. Stasis of blood.
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A decrease in the neutrophil count is
present in A. granulocytopenia (agranulocytosis). B. iron deficiency anemia. C. myeloid leukemia. D. leukocytosis. E. thrombocytopenic purpura. |
A. granulocytopenia (agranulocytosis).
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In the use of the dental X-ray machine,
patient protection from radiation is MOST important for A. patients receiving antibiotics. B. patients receiving corticosteroids. C. individuals over fifty-years of age. D. pregnant women. E. young adults. |
D. pregnant women.
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A stone in the salivary glands or ducts is
called a A. sialolith. B. renolith. C. calcolith. D. phlebolith. E. None of the above. |
A. sialolith.
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An abnormal decrease in the flow of saliva
is associated with A. ptyalism. B. sialomentaplasia. C. xerostomia. D. pyroglossia. E. None of the above. |
C. xerostomia
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Unilateral premature eruption of teeth is
characteristic of A. acromegaly. B. hemihypertrophy. C. hemiatrophy. D. cleidocranial dysostosis. E. adrenogenital syndrome. |
B. hemihypertrophy.
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Which one of the following oral
conditions is NOT caused by a virus? A. Benign mucous membrane pemphigoid. B. Herpetic gingivostomatitis. C. Leukoplakia. D. Necrotizing ulcerative gingivitis. |
D. Necrotizing ulcerative gingivitis.
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Acute or subacute suppurative
osteomyelitis occurs most frequently in the A. anterior maxilla. B. posterior mandible. C. posterior maxilla. D. anterior mandible |
B. posterior mandible.
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When a diagnosis of a primordial cyst is
made, there is likely to be A. the normal number of teeth in that jaw. B. one less than the normal number of teeth in that jaw. C. one more than the normal number of teeth in that jaw. D. a squamous cell carcinoma in that jaw. E. a primordial cyst situated symmetrically on the opposite side. |
B. one less than the normal number of
teeth in that jaw. |
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Fordyce's granules are
A. ectopic sebaceous glands. B. ectopic sweat glands. C. small calcified nodules. D. aberrant mucous glands. |
A. ectopic sebaceous glands.
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The normal white cell differential count
for neutrophils is A. 10-19. B. 20-29. C. 30-39. D. 40-65. E. 66-90. |
D. 40-65
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A biopsy of a clinically suspicious
malignant lesion fails to support the clinical diagnosis. The most appropriate management is to A. assure the patient that there is no malignancy. B. take a second biopsy. C. observe the patient yearly. D. recall the patient in one month. E. make a cytological smear. |
B. take a second biopsy.
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Radiographically, a primordial cyst will
show A. mixed radiolucency and radiopacity. B. a radiolucency around the crown of an impacted tooth. C. a radiolucency containing multiple rudimentary teeth. D. a radiolucency. E. None of the above |
D. a radiolucency.
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A hemorrhagic bone cyst (traumatic cyst)
is a radiolucency most frequently seen A. in the mandibular ramus. B. posteriorly to the maxillary molars. C. from the symphysis to the ramus of the mandible. D. in the maxillary premolar area. E. None of the above. |
C. from the symphysis to the ramus of
the mandible. |
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Regardless of the target-film distance
employed for intraoral surveys, the diameter of the primary beam at the patient's skin surface should not be greater than A. the longest side of the film. B. the size of the lead diaphragm. C. 7cm. D. the size of the filter. |
C. 7cm.
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Which of the following combinations of
milliamperage and kilovoltage will give X-radiation with the maximum penetration? A. 10kVp - 65ma B. 85kVp - 5ma C. 90kVp - 10ma D. 65kVp - 15ma E. 75kVp - 40ma |
C. 90kVp - 10ma
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Intensifying screens are used when
exposing extra-oral radiographic films to A. improve detail. B. decrease exposure time. C. decrease scatter radiation. D. increase the quantity of X-rays necessary to produce a certain photographic effect on silver. E. None of the above. |
B. decrease exposure time.
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A zinc phosphate cement base
A. has the same radiopacity as amalgam. B. is less radiopaque than amalgam. C. has the same radiopacity as gold. D. cannot be seen on a radiograph. |
B. is less radiopaque than amalgam.
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Bitewing radiographs are most valuable
for detecting A. hyperemia of the pulp. B. occlusal carious lesions. C. proximal surface caries. D. cervical caries |
C. proximal surface caries.
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Papillary hyperplasia under a denture is
usually due to (an) A. moniliasis. B. ill fitting denture. C. allergy to denture cleanser. D. avitaminosis. |
B. ill fitting denture.
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Difficulty in mouth opening, dysphagia,
tongue stiffness and generalized induration of the skin are characteristic of A. lupus erythematosus. B. scleroderma. C. erythema multiforme. D. lichen planus. E. malignant disease. |
B. scleroderma.
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A radiopaque area within the alveolar
process containing several rudimentary teeth suggests a/an A. periapical cemental dysplasia. B. ameloblastoma. C. compound odontoma. D. complex odontoma. E. Pindborg tumor. |
C. compound odontoma.
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Which of the following conditions
produces a radiolucent image? A. Sialolithiasis. B. Osteosclerosis. C. Odontoma. D. Internal resorption. E. None of the above. |
D. Internal resorption.
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Digitalis is prescribed for the treatment of
A. nephritis. B. angina pectoris. C. coronary occlusion. D. congestive heart failure. E. None of the above. |
D. congestive heart failure.
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A circumscribed radiolucent area at the
apex of a vital mandibular incisor is indicative of A. periapical abscess. B. periapical cemental dysplasia. C. granuloma. D. radicular cyst. E. follicular cyst. |
B. periapical cemental dysplasia.
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Which of the following is most
radiopaque? A. Calcifying odontogenic cyst. B. Fibrous dysplasia of bone. C. Ameloblastoma. D. Complex composite odontoma |
D. Complex composite odontoma
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Basal cell carcinoma
A. metastasizes to the submental lymph nodes. B. metastasizes to the submaxillary lymph nodes. C. metastasizes to the cervical lymph nodes. D. metastasizes to the pre-auricular lymph nodes. E. does not normally metastasize. |
E. does not normally metastasize.
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The tissue which cannot be seen on dental
radiographs is A. dentin. B. enamel. C. cementum. D. pulp. E. periodontal ligament. |
C. cementum.
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If the image of a supernumerary tooth
appears in a second radiograph to have shifted distally from the position shown on the original radiograph, this indicates that the supernumerary tooth lies A. buccal to the premolars. B. lingual to the premolars. C. on the same plane as the premolars. D. mesial to the premolars. E. distal to the premolars. |
B. lingual to the premolars.
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The lamina dura is
A. cortical bone. B. spongy bone. C. immature bone. D. a cribiform plate perforated by nutrient canals. E. None of the above. |
D. a cribiform plate perforated by
nutrient canals |
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It is possible to misdiagnose the midline
palatal suture as a A. fracture. B. palatal cyst. C. granuloma. D. abscess. |
A. fracture.
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Ameloblastomas originate from the
A. odontogenic epithelium. B. mucous cysts. C. epithelial rests of Malassez. D. neural crest cells. |
A. odontogenic epithelium.
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