A
ahmead
34.A lateral cephalometric radiograph for a patient with a 3mm anterior functional shift should be taken with the patient in
A. maximum intercuspation.
B. initial contact.
C. normal rest position.
D. maximum opening.
E. protrusive.
(please explain)
35.Which one of the following describes the position of the needle tip during administration of local anesthetic for the inferior alveolar nerve block?
A. Anterior to the pterygomandibular raphe.
B. Medial to the medial pterygoid muscle.
C. Superior to the lateral pterygoid muscle.
D. Lateral to the sphenomandibular ligament.
36.Increased tooth mobility can result from
1. excessive occlusal forces with normal periodontal support.
2. apical periodontitis.
3. normal occlusal forces with inadequate periodontal support.
4. simple marginal gingivitis.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
37.Which of the following would be a CONTRAINDICATION for the use of a resin bonded fixed partial denture (acid etched bridge or Maryland Bridge)?
A. Class II malocclusion.
B. An opposing free end saddle removable partial.
C. Previous orthodontic treatment.
D. Heavily restored abutment.
(please explain)
38.A 22-year old presents with a fracture of the incisal third of tooth 2.1 exposing a small amount of dentin. The fracture occurred one hour previously. There is no mobility of the tooth but the patient complains that it is rough and sensitive to cold. The most appropriate emergency treatment is to
A. open the pulp chamber, clean the canal and temporarily close with zinc oxide and eugenol.
B. smooth the surrounding enamel and apply glass ionomer cement.
C. smooth the surrounding enamel and apply a calcium hydroxide cement.
D. place a provisional (temporary) crown.
(please explain)
39.When removing bone or sectioning roots of teeth with a high-speed handpiece, the air/water combination should be set with
A. air and water on.
B. water only.
C. air only.
D. neither air nor water.
(please explain)
40.Following root planing, a patient experiences thermal sensitivity. This pain is associated with which of the following?
A. Golgi receptor.
B. Free nerve endings.
C. Odontoblastic processes.
D. Cementoblasts.
41. A 45-year old, overweight man reports that his wife complains that he snores. The initial management of the patients snoring problem is to
A. fabricate an appliance to reduce snoring.
B. fabricate restorations to increase the patients vertical dimension of occlusion.
C. refer for an orthognathic surgery consultation.
D. refer for a sleep assessment.
42.The most likely cause of tooth loss following a tunneling procedure to provide complete access for a mandibular Class III furcation involvement is
A. root caries.
B. root sensitivity.
C. pulpal involvement.
D. recurrent pocketing.
43.The best way to protect the abutments of a Class I removable partial denture from the negative effects of the additional load applied to them is by
A. splinting abutments with adjacent teeth.
B. keeping a light occlusion on the distal extensions.
C. placing distal rests on distal abutments.
D. using cast clasps on distal abutments.
E. regular relining of the distal extensions.
(please explain)
44.Most zinc-oxide-eugenol cements are not suitable for permanent cementation of crowns and fixed partial dentures because of
A. high viscosity.
B. low pH.
C. high solubility in saliva.
D. adverse pulp response.
45.The most common complication of a venipuncture is
A. syncope.
B. hematoma.
C. thrombophlebitis.
D. embolus.
46.The tooth preparation for porcelain veneer must creat a/an:
A.rough surface for improved bonding.
B.Space for appropriate thickness of the veneering material.
C.Margin well below the gingival crest.
D.Definite finish line.
47.In the normal dental pulp, which of the following histologic features is least likely to appear
A. cell-free zone of weil
B. palisade odontoblastic layer
C. lymphocytes and plasma cells
D. undifferentiated mesenchymal cells
48.A light force applied to the periodontal ligament during orthodontic treatment is considered :
A. intermittent
B. direct
C. continuous
D. indirect
49.Which of the following represents the predominate type cell type in crevicular epithelium
A. mast cell
B. PMN
C. macrophage
D. lymphocyte
E. plasma cell
50.Which of the organisms are involved with periodontal disease
A. P. gingivilits
B. E. species
C. C. rectus
D. Bacteroid
E. all of the above
51.Each of the following has been associated with gastric limitation, except
A. acetaminophen
B. alcohol
C. ibuprofen
D. indomethacin
52.The most common reason for fracture of an amalgam in class 2 pedo molar tooth is:
A. insufficient deth
B. saliva contamination during condensation
D. line angle too sharp
53.The best reason for RPD over fixed partial denture
A. hygiene
B. cooperation
C. esthetic
54.Where is the gold directed on an MO onlay spruce
A, faces pulpal axial line angle
B. occlusal floor
C. pulpal floor
D. gingival floor
55.Organism implicated on causing severe spreading abscesses include
a. Fusobacterium
B Campylobacter
c. Enterococci
d. Bacteroides
56.The periapical lesion that wound most likely contain bacteria within the lesion is
A. an abscess
B. a cyst
C. a granuloma
D. condensing osteitis
57.Of the following periapical diagnosis, which most likely contain bacteria within the lesion
A. suppurative apical periodontitis
B. apical cyst
C. chronic apical perio
D. acute apical perio
58.A periodontal exam of a patient referred for endodontic treatment
A. there is an inward flow of fluid
B there is an outward flow of fluid
C. there is no fluid
(please explain)
59.The optimal amount of tooth reduction on a molar for a metal ceramic crown preparation
A. 1.5mm
B. 1mm
C. 2mm
D. 2.5mm
E. 3mm
60.Which drug is LEAST likely to result in an allergy reaction
A. epine
B. procaine
C. bisulfite
D. lidocaine
61.dysplasia is related to which of the following conditions. Please check
A. leukemia
B. diabetes
C. pregnancy
D. puberty
62.meperidine overdose is treated with
A. naloxone
B. amphetamine
C. nalbuphine and epine
63.What is the complication of up righting molar
A. move distally and extrudes
B. a class 3 molar relationship can develop
C. class 2 molar relationship can develop
(please explain)
64.Which of the following can be used for topical anesthesia
A. lidocaine
B. benzocaine
65.Collimation
A. reduce the size of the beam
B. reduces the shape of the beam
C. reduces radiation to the patient
D. all the above
66.Multiple periapical lucency are common in patients with which of the following condition
A. dentinal dysplasia
B. taurodontia
C. germination
D. amelogenesis imperfecta
E. dentinogenesis imperfecta
thanx in advance
best wishes
ahmad
A. maximum intercuspation.
B. initial contact.
C. normal rest position.
D. maximum opening.
E. protrusive.
(please explain)
35.Which one of the following describes the position of the needle tip during administration of local anesthetic for the inferior alveolar nerve block?
A. Anterior to the pterygomandibular raphe.
B. Medial to the medial pterygoid muscle.
C. Superior to the lateral pterygoid muscle.
D. Lateral to the sphenomandibular ligament.
36.Increased tooth mobility can result from
1. excessive occlusal forces with normal periodontal support.
2. apical periodontitis.
3. normal occlusal forces with inadequate periodontal support.
4. simple marginal gingivitis.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
37.Which of the following would be a CONTRAINDICATION for the use of a resin bonded fixed partial denture (acid etched bridge or Maryland Bridge)?
A. Class II malocclusion.
B. An opposing free end saddle removable partial.
C. Previous orthodontic treatment.
D. Heavily restored abutment.
(please explain)
38.A 22-year old presents with a fracture of the incisal third of tooth 2.1 exposing a small amount of dentin. The fracture occurred one hour previously. There is no mobility of the tooth but the patient complains that it is rough and sensitive to cold. The most appropriate emergency treatment is to
A. open the pulp chamber, clean the canal and temporarily close with zinc oxide and eugenol.
B. smooth the surrounding enamel and apply glass ionomer cement.
C. smooth the surrounding enamel and apply a calcium hydroxide cement.
D. place a provisional (temporary) crown.
(please explain)
39.When removing bone or sectioning roots of teeth with a high-speed handpiece, the air/water combination should be set with
A. air and water on.
B. water only.
C. air only.
D. neither air nor water.
(please explain)
40.Following root planing, a patient experiences thermal sensitivity. This pain is associated with which of the following?
A. Golgi receptor.
B. Free nerve endings.
C. Odontoblastic processes.
D. Cementoblasts.
41. A 45-year old, overweight man reports that his wife complains that he snores. The initial management of the patients snoring problem is to
A. fabricate an appliance to reduce snoring.
B. fabricate restorations to increase the patients vertical dimension of occlusion.
C. refer for an orthognathic surgery consultation.
D. refer for a sleep assessment.
42.The most likely cause of tooth loss following a tunneling procedure to provide complete access for a mandibular Class III furcation involvement is
A. root caries.
B. root sensitivity.
C. pulpal involvement.
D. recurrent pocketing.
43.The best way to protect the abutments of a Class I removable partial denture from the negative effects of the additional load applied to them is by
A. splinting abutments with adjacent teeth.
B. keeping a light occlusion on the distal extensions.
C. placing distal rests on distal abutments.
D. using cast clasps on distal abutments.
E. regular relining of the distal extensions.
(please explain)
44.Most zinc-oxide-eugenol cements are not suitable for permanent cementation of crowns and fixed partial dentures because of
A. high viscosity.
B. low pH.
C. high solubility in saliva.
D. adverse pulp response.
45.The most common complication of a venipuncture is
A. syncope.
B. hematoma.
C. thrombophlebitis.
D. embolus.
46.The tooth preparation for porcelain veneer must creat a/an:
A.rough surface for improved bonding.
B.Space for appropriate thickness of the veneering material.
C.Margin well below the gingival crest.
D.Definite finish line.
47.In the normal dental pulp, which of the following histologic features is least likely to appear
A. cell-free zone of weil
B. palisade odontoblastic layer
C. lymphocytes and plasma cells
D. undifferentiated mesenchymal cells
48.A light force applied to the periodontal ligament during orthodontic treatment is considered :
A. intermittent
B. direct
C. continuous
D. indirect
49.Which of the following represents the predominate type cell type in crevicular epithelium
A. mast cell
B. PMN
C. macrophage
D. lymphocyte
E. plasma cell
50.Which of the organisms are involved with periodontal disease
A. P. gingivilits
B. E. species
C. C. rectus
D. Bacteroid
E. all of the above
51.Each of the following has been associated with gastric limitation, except
A. acetaminophen
B. alcohol
C. ibuprofen
D. indomethacin
52.The most common reason for fracture of an amalgam in class 2 pedo molar tooth is:
A. insufficient deth
B. saliva contamination during condensation
D. line angle too sharp
53.The best reason for RPD over fixed partial denture
A. hygiene
B. cooperation
C. esthetic
54.Where is the gold directed on an MO onlay spruce
A, faces pulpal axial line angle
B. occlusal floor
C. pulpal floor
D. gingival floor
55.Organism implicated on causing severe spreading abscesses include
a. Fusobacterium
B Campylobacter
c. Enterococci
d. Bacteroides
56.The periapical lesion that wound most likely contain bacteria within the lesion is
A. an abscess
B. a cyst
C. a granuloma
D. condensing osteitis
57.Of the following periapical diagnosis, which most likely contain bacteria within the lesion
A. suppurative apical periodontitis
B. apical cyst
C. chronic apical perio
D. acute apical perio
58.A periodontal exam of a patient referred for endodontic treatment
A. there is an inward flow of fluid
B there is an outward flow of fluid
C. there is no fluid
(please explain)
59.The optimal amount of tooth reduction on a molar for a metal ceramic crown preparation
A. 1.5mm
B. 1mm
C. 2mm
D. 2.5mm
E. 3mm
60.Which drug is LEAST likely to result in an allergy reaction
A. epine
B. procaine
C. bisulfite
D. lidocaine
61.dysplasia is related to which of the following conditions. Please check
A. leukemia
B. diabetes
C. pregnancy
D. puberty
62.meperidine overdose is treated with
A. naloxone
B. amphetamine
C. nalbuphine and epine
63.What is the complication of up righting molar
A. move distally and extrudes
B. a class 3 molar relationship can develop
C. class 2 molar relationship can develop
(please explain)
64.Which of the following can be used for topical anesthesia
A. lidocaine
B. benzocaine
65.Collimation
A. reduce the size of the beam
B. reduces the shape of the beam
C. reduces radiation to the patient
D. all the above
66.Multiple periapical lucency are common in patients with which of the following condition
A. dentinal dysplasia
B. taurodontia
C. germination
D. amelogenesis imperfecta
E. dentinogenesis imperfecta
thanx in advance
best wishes
ahmad