A
ahmead
1 Which microbe is least likely to be killed in an autoclave?
a. HIV
b. HBV
c. Streptococcus mutans
d. Bacillus
10 probing depth differs depending on
a. inflammation of the tissue
b. force used for probing
c. if probing depth decrease, it may be due to reduction of inflammation and swelling, not due to real regain of attachment
21 if an autogenous bone graft was placed within a mandibular bone cavity, after one year, where is the bone from within this cavity
a. from the autogenous bone cells
b. from the peripheral cancellous bone
c. mostly from the autogenous bone cells, only the periphery is from the cortical bone places of the cavity
23 the prognosis for a mesio-distal furcation involvement of maxillary first premolars is general good. After proper treatment, this tooth can be used for an abutment of a posterior bridge
a. both statements are correct
b. the first statement is correct but not the second
c. the first statement is wrong, but second statement is correct
d. both statements are wrong
25tissue conditioner is used for treating
a. inflammatory papillary hyperplasia
b. Epulis fissuratum
c. traumatized mucosa
c. rocking denture stabilization
27 after perio surgery, the re-attachment can happen
a. as soon as in a week
b. to the dentin or cementum
29 there are more detached plaques within supragingival plaques that subgingival plaques. The detached plaques within subgingival area are the ones that are more toxic to tissue than attached plaques.
a. both statements are correct
b. the first statement is correct but not the second
c. the first statement is wrong, but second statement is correct
d. both statements are wrong
37 N2O is contraindicated in patients who have
a. leukemia
b. drug abuse
c. mild-moderate asthma
d. dental anxiety
40 why is Z-plasty preferred over diamond technique for frenum detachment
a. less scar contraction
b. easier in terms of technique
c. less incision needed, no suture needed
42 1 week after multiple extraction and alveoloplasty, the patient returns with a swelling at the ridge area. The patient does not have fever, nor in pain. The swelling extends to mucogingival fold with fluid inside. X-ray shows that there are spicules within the swelling. What should the dentist do
a. prescribe antibiotics and observe for a week
b. prescribe analgesics
c. surgically drain the swelling and remove the bone spicules
43 in order to give a patient an incisor with younger look, what can the dentist do?
a. straighten incisor edge
b. rounding incisor edge
c. move the line angles proximally
d. move height of contour gingivally
47 palatal expansion device does not need a labial bow because
a. labial bow is not rigid enough
b. labial bow would limit the expansion effect
c. labial bow is not functional in this case
54 what happen if there is a premature exfoliation of a mandibular primary canine
the mandibular incisors would move distally and lingually
decrease arch length
shift midline to affect side
need space maintainer
60 if there is radiation exposure of 4 Gy on the arm, what is the likely reaction
a. erythema
b. bone marrow depression
c. vascular shrinkage
62 upper limb IV injection, the most likely problem is
a. Phlebitis
b. intra-arterial injection
c. vascular breakage
71 aspirin stops pain by
a. stopping the upward transduction of pain signal in the spinal cord
b. stopping the signal transduction in the cortex
c. interfere with signal interpretation in the CNS
d. stopping local signal production and transduction
72 the following are the natural endorphins except
a. enkephalin
b. endorphin
c. dynorphin
d. bradykinin
73 what is the action of morphine for pain relief mimicking body endorphin system
75 periodontal disease can be caused by all of the followings except
a. poor oral hygiene
b. heavy dental plaque
c. faulty prosthesis
d. DM
79 the best and the most effective way to remove stained mottled enamel
a. home bleaching
b. microabrasion technique
c. office bleaching
d. walking bleaching
80 what is a microabrasion technique intrinsic stain can be caused by porphyria
81 the followings have additive action for each component when used together, except for one, what is the exception
a. Atropine+glycopyrolate (anticholinergic)
b. aspirin acetaminophen
c. penicillin tetracycline
86 ataxic epilepsy patients-what are their most common dental problem
a. adontia
b. malocclusion
c. trauma
d. gingival hyperplasia due to medication
89 compared with class II plaster, which one of the following is NOT the characteristics of die strength
a. better compression strength
b. better tensile strength
c. require less water
d. higher expansion
91 what is the characteristics of an implant that would change bony resorption pattern
a. intraosseous integration
b. integrate with bone
93 what is the term that describe the number of the cases of a disease divided by the population
a. incidence
b. ratio
c. prevalence
94 what is median of 10 20 20 20 30 35 40 40 50 50 60 apically positioned flap is almost impossible to perform on
a. maxillary buccal area
b. maxillary lingual area
c. mandibullar lingual area
d. mandibular buccal area
96 class II amalgam cavity preparation, what is the purpose of breaking up contact at the gingival cavosurface? What is the purpose of placing retention grooves, and where do you place these grooves?
97 which feature provide the BOND onlay the most retention?
100 A black male with erosive lips, erythematous and blisters on his lips, the description says that he also have palmar and planta erosion and blisters, what is this syndrome?
a. lichen planus
b. erythema multiform
c. pemphigus vulgaris
d. pemphigoid
106 the percentage of specific LA which is present in the base form when injected in tissue whose pH is 7.4 is inversely proportional to the pKa of that agent
a. onset is faster, duration is longer
b. onset is slower, duration is longer
c. onset is the same, duration is the same
d. onset is slower, duration is the same
111 which nerve would the ramus split osteotomy most likely damage?
for extracting of third molar, the following conditions would make the operation easier, except?
a. elastic bone
b. conical roots
c. soft tissue impaction
d. space within tooth bud is small
113 what is the first sign of a patient who is suffering from insulin shock?
a. pallor
b. shaking
c. sweating
d. nervousness
117 which type of syncope is most common in dental office
a. hypovolemic
b. psychogenic
c. posture
121 which one of the injections most likely have positive inspiration?
a. IA 10-15%
b. akisino
c. infraorbital
d. Gow-Gate 2%
e. mental nerve
124 what is the most definite way to differentiate ameloblastoma, and odontogenic keratocyst?
a. smear cytology
b. reactive light microscopy
c. reflective microscopy
128 what is the Bennett angle?
130 a dentist who uses 5-HEMA for clinical situations most likely experiences which of the following conditions for the clinician?
a.contact dermatitis
b. arthritis
c. arthus reaction
d. delayed hypersensitivity
d. anaphylaxis
132 what was done wrong that the resin teeth won't stay with resin denture base?
a. retentive holes are not big enough
b. there is no locking system
c. wax got in between during processing
133 what is purpose of beveling at MON cavosurface? for a patient with a faulty amalgam restoration, replacement with casting inlay/onlay might be better because
a. better adaptation
b. better retention
c. better proximal contour
135 why is it that, during mixing cement, the liquid part is not taken out of its container right before mixing?
a. the liquid would spread widely
b. keep it cool in its container
c. prevent loss of volatile materials
141 what are the most abundant cells in crevicular fluid in gingivitis and periodontitis?
a. mast cells
b. neutrophils
c. plasma cells
d. basophiles
145 what is the reason that a patient complains of lower complete denture "popping up" all the time
a. lack of retention
b. over-extention
c. under-extention
d. deflective occlusion
146 what is the cause of epulis fissuratum
a. unstable denture
b. under extention
c. over extention d. traumatic occlusion
147 a patient complains that his TMJ would pop upon opening and click during closing. What is the likely diagnosis
a. ankylosis
b. reciprocal clicking
c. arthritis
150 which intra-oral site is the most common site of melanoma
a. buccal mucosa
b. gingiva
c. hard palate
d. floor of mouth
e. tongue
154 due to the mesial concavity of the maxillary first premolar, prior to condensation of the amalgam, the tooth is best prepared with
a. wedge only
b. matrix only
c. no wedge nor matrix needed
d. custom made wedge+matrix
155 which one of the teeth has the most consistent canal
a. mandibular incisor
b. mandibular premolar
c. maxillary canine
d. maxillary premolar
e. mandibular molar
156 maxilla lateral incisor root tip usually tips to
a. palatal
b. facial
c. mesial
d. dista
160 parallel technique in X-ray taking follows many of the rules to optimize the resultant image except for one, what is this rule?
a. keep the film and the target tooth as parallel as possible
b. the incomingcentral ray should be perpendicular to the film and the target tooth
c. the film should be placed as far to the source of X-ray as possible
d. the target tooth and film sould be as close as possible.
169 best way of image TMJ
a. pan
b. MRI
c. transcranial
d. CT
a. HIV
b. HBV
c. Streptococcus mutans
d. Bacillus
10 probing depth differs depending on
a. inflammation of the tissue
b. force used for probing
c. if probing depth decrease, it may be due to reduction of inflammation and swelling, not due to real regain of attachment
21 if an autogenous bone graft was placed within a mandibular bone cavity, after one year, where is the bone from within this cavity
a. from the autogenous bone cells
b. from the peripheral cancellous bone
c. mostly from the autogenous bone cells, only the periphery is from the cortical bone places of the cavity
23 the prognosis for a mesio-distal furcation involvement of maxillary first premolars is general good. After proper treatment, this tooth can be used for an abutment of a posterior bridge
a. both statements are correct
b. the first statement is correct but not the second
c. the first statement is wrong, but second statement is correct
d. both statements are wrong
25tissue conditioner is used for treating
a. inflammatory papillary hyperplasia
b. Epulis fissuratum
c. traumatized mucosa
c. rocking denture stabilization
27 after perio surgery, the re-attachment can happen
a. as soon as in a week
b. to the dentin or cementum
29 there are more detached plaques within supragingival plaques that subgingival plaques. The detached plaques within subgingival area are the ones that are more toxic to tissue than attached plaques.
a. both statements are correct
b. the first statement is correct but not the second
c. the first statement is wrong, but second statement is correct
d. both statements are wrong
37 N2O is contraindicated in patients who have
a. leukemia
b. drug abuse
c. mild-moderate asthma
d. dental anxiety
40 why is Z-plasty preferred over diamond technique for frenum detachment
a. less scar contraction
b. easier in terms of technique
c. less incision needed, no suture needed
42 1 week after multiple extraction and alveoloplasty, the patient returns with a swelling at the ridge area. The patient does not have fever, nor in pain. The swelling extends to mucogingival fold with fluid inside. X-ray shows that there are spicules within the swelling. What should the dentist do
a. prescribe antibiotics and observe for a week
b. prescribe analgesics
c. surgically drain the swelling and remove the bone spicules
43 in order to give a patient an incisor with younger look, what can the dentist do?
a. straighten incisor edge
b. rounding incisor edge
c. move the line angles proximally
d. move height of contour gingivally
47 palatal expansion device does not need a labial bow because
a. labial bow is not rigid enough
b. labial bow would limit the expansion effect
c. labial bow is not functional in this case
54 what happen if there is a premature exfoliation of a mandibular primary canine
the mandibular incisors would move distally and lingually
decrease arch length
shift midline to affect side
need space maintainer
60 if there is radiation exposure of 4 Gy on the arm, what is the likely reaction
a. erythema
b. bone marrow depression
c. vascular shrinkage
62 upper limb IV injection, the most likely problem is
a. Phlebitis
b. intra-arterial injection
c. vascular breakage
71 aspirin stops pain by
a. stopping the upward transduction of pain signal in the spinal cord
b. stopping the signal transduction in the cortex
c. interfere with signal interpretation in the CNS
d. stopping local signal production and transduction
72 the following are the natural endorphins except
a. enkephalin
b. endorphin
c. dynorphin
d. bradykinin
73 what is the action of morphine for pain relief mimicking body endorphin system
75 periodontal disease can be caused by all of the followings except
a. poor oral hygiene
b. heavy dental plaque
c. faulty prosthesis
d. DM
79 the best and the most effective way to remove stained mottled enamel
a. home bleaching
b. microabrasion technique
c. office bleaching
d. walking bleaching
80 what is a microabrasion technique intrinsic stain can be caused by porphyria
81 the followings have additive action for each component when used together, except for one, what is the exception
a. Atropine+glycopyrolate (anticholinergic)
b. aspirin acetaminophen
c. penicillin tetracycline
86 ataxic epilepsy patients-what are their most common dental problem
a. adontia
b. malocclusion
c. trauma
d. gingival hyperplasia due to medication
89 compared with class II plaster, which one of the following is NOT the characteristics of die strength
a. better compression strength
b. better tensile strength
c. require less water
d. higher expansion
91 what is the characteristics of an implant that would change bony resorption pattern
a. intraosseous integration
b. integrate with bone
93 what is the term that describe the number of the cases of a disease divided by the population
a. incidence
b. ratio
c. prevalence
94 what is median of 10 20 20 20 30 35 40 40 50 50 60 apically positioned flap is almost impossible to perform on
a. maxillary buccal area
b. maxillary lingual area
c. mandibullar lingual area
d. mandibular buccal area
96 class II amalgam cavity preparation, what is the purpose of breaking up contact at the gingival cavosurface? What is the purpose of placing retention grooves, and where do you place these grooves?
97 which feature provide the BOND onlay the most retention?
100 A black male with erosive lips, erythematous and blisters on his lips, the description says that he also have palmar and planta erosion and blisters, what is this syndrome?
a. lichen planus
b. erythema multiform
c. pemphigus vulgaris
d. pemphigoid
106 the percentage of specific LA which is present in the base form when injected in tissue whose pH is 7.4 is inversely proportional to the pKa of that agent
a. onset is faster, duration is longer
b. onset is slower, duration is longer
c. onset is the same, duration is the same
d. onset is slower, duration is the same
111 which nerve would the ramus split osteotomy most likely damage?
for extracting of third molar, the following conditions would make the operation easier, except?
a. elastic bone
b. conical roots
c. soft tissue impaction
d. space within tooth bud is small
113 what is the first sign of a patient who is suffering from insulin shock?
a. pallor
b. shaking
c. sweating
d. nervousness
117 which type of syncope is most common in dental office
a. hypovolemic
b. psychogenic
c. posture
121 which one of the injections most likely have positive inspiration?
a. IA 10-15%
b. akisino
c. infraorbital
d. Gow-Gate 2%
e. mental nerve
124 what is the most definite way to differentiate ameloblastoma, and odontogenic keratocyst?
a. smear cytology
b. reactive light microscopy
c. reflective microscopy
128 what is the Bennett angle?
130 a dentist who uses 5-HEMA for clinical situations most likely experiences which of the following conditions for the clinician?
a.contact dermatitis
b. arthritis
c. arthus reaction
d. delayed hypersensitivity
d. anaphylaxis
132 what was done wrong that the resin teeth won't stay with resin denture base?
a. retentive holes are not big enough
b. there is no locking system
c. wax got in between during processing
133 what is purpose of beveling at MON cavosurface? for a patient with a faulty amalgam restoration, replacement with casting inlay/onlay might be better because
a. better adaptation
b. better retention
c. better proximal contour
135 why is it that, during mixing cement, the liquid part is not taken out of its container right before mixing?
a. the liquid would spread widely
b. keep it cool in its container
c. prevent loss of volatile materials
141 what are the most abundant cells in crevicular fluid in gingivitis and periodontitis?
a. mast cells
b. neutrophils
c. plasma cells
d. basophiles
145 what is the reason that a patient complains of lower complete denture "popping up" all the time
a. lack of retention
b. over-extention
c. under-extention
d. deflective occlusion
146 what is the cause of epulis fissuratum
a. unstable denture
b. under extention
c. over extention d. traumatic occlusion
147 a patient complains that his TMJ would pop upon opening and click during closing. What is the likely diagnosis
a. ankylosis
b. reciprocal clicking
c. arthritis
150 which intra-oral site is the most common site of melanoma
a. buccal mucosa
b. gingiva
c. hard palate
d. floor of mouth
e. tongue
154 due to the mesial concavity of the maxillary first premolar, prior to condensation of the amalgam, the tooth is best prepared with
a. wedge only
b. matrix only
c. no wedge nor matrix needed
d. custom made wedge+matrix
155 which one of the teeth has the most consistent canal
a. mandibular incisor
b. mandibular premolar
c. maxillary canine
d. maxillary premolar
e. mandibular molar
156 maxilla lateral incisor root tip usually tips to
a. palatal
b. facial
c. mesial
d. dista
160 parallel technique in X-ray taking follows many of the rules to optimize the resultant image except for one, what is this rule?
a. keep the film and the target tooth as parallel as possible
b. the incomingcentral ray should be perpendicular to the film and the target tooth
c. the film should be placed as far to the source of X-ray as possible
d. the target tooth and film sould be as close as possible.
169 best way of image TMJ
a. pan
b. MRI
c. transcranial
d. CT
