ORTHOPEDO MCQS
問題一覧
1
Skeletal tissues grow in response to soft tissue growth
Moss' Hypothesis
2
Cranial vault grows primarily by cartilage growth at:
fontanelles
3
Cranial base grows primarily by_ growth at the synchondrosis:
endochondral
4
Over 90% of brain growth is achieved by age:
6
5
Neurocranium follows what Scammon's curve?
neural
6
Growth of brain case is primarily by proliferation and ossification of:
sutural connective tissue
7
Nasomaxillary complex is hafted to the cranium by the following sutures except:
frontotemporal
8
As the maxilla decends, there is _ on the orbital floor, —
on the nasal floor and on the inferior palatal surface:
+-+
9
The increase in length of the maxilla is due to:
e. A&B
10
Mechanism for maxillary growth:
all of the choices
11
The mechanism for bone growth of the nasomaxillary complex is:
intramembranous
12
The sutures of the nasomaxillary complex are oblique and more or less parallel with each other thus, growth in these areas would serve to displace the maxilla:
downward and forward
13
Continued apposition of alveolar bone on the free borders of the alveolar process as the teeth erupt increases the _ of the maxilla.
height
14
Increase in the width of the maxilla involves palatal growth following the expanding V principle. The buccal segments move:
downward and forward
15
The maxilla Is displaced downward and forward by growth in parts of the bone:
posterior and superior
16
What characteristic growth pattern is shown in the vertical section through the coronoid process?
(t) on the lingual, (-) on half of the buccal surface
17
What characteristic growth pattern is shown in the vertical section through the basal part of the ramus?
(-) on the lingual, (+) on the buccal surface
18
When teeth are lost, alveolar bone:
resorbs
19
Mandibular growth follows what growth curve?
genital
20
At age 5-10, the mandible is _ completed.
65%
21
The predominant direction of mandibular growth is:
superior and posterior
22
Displacement of the mandible occurs in what direction?
downward and forward
23
Increase in mandibular length is accomplished by:
(t) on the posterior border, (-) on the anterior border of the ramus
24
Growth of the posterior border of the mandible with additive growth at the ends of the "V" increases the terminal points. This increases the _ of the mandible.
width
25
Condylar growth with significant alveolar growth increase the of the mandible.
height
26
Some mandibles grow more forward than downward. If there is predominance of forward growth __ is the result
Class III
27
When is the best time to influence, retard or redirect growth?
just before and during puberty
28
The order form most rapid to least amount of growth for the
depth, width, height
29
The order form greatest to least incremental change for the
height, depth, width
30
At age 0-5, which has grown the most at 85%?
neurocranium
31
Because of the differential growth of the maxilla and the mandible at age 0-5, the normal profile at birth is:
convex
32
Maxillary intercanine width is completed in girls at age:
12
33
Second peak for girls:
7-9
34
For boys, maximum condylar changes concurrently with sutural and skeletal height peaks 3 years later that for girls.
false
35
Treatment timing must be based on the individual's own pattern of growth.
true
36
Primate space if found:
mesial of the upper cuspid and distal of the lower cuspid
37
Normal terminal plane relationship|:
flush/straight
38
The most common sequence of eruption for the upper arch:
6123457
39
The stage at which a tooth begins its eruptive movement:
6
40
Periapical lesions, pulpitis and pulpotomy of a primary molar
— the eruption of successor premolar.
Hasten
41
If a primary tooth is extracted prior to the onset of permanent eruptive movement (prior to root formation), the permanent tooth is likely to be:
delayed
42
Which one is an incorrect description of Nolla's stages of calcification?
Stage 6, crown almost completed
43
Space differential in the anterior segment ( BA/AB ) - 21/12
gives:
negative space
44
The proper crown angulation of a permanent incisor is one where the gingival portion of the long axis of the crown should be _ to the incisal portion.
distal
45
Rotated teeth occupy less space within the arch:
false
46
Plane of occlusion for permanent teeth:
flat
47
Posterior crown inclination from canine to molar:
lingual crown inclination
48
Size of teeth correlates well with stature. Size of teeth is sex-linked.
1st statement is false, 2nd is true
49
The most prevalent malocclusion in the primary dentition:
anterior openbite
50
A dolichofacial face would likely to have _ arch form.
long and tapering
51
A face that is broad and short is:
brachyfacial
52
The most common malocclusion in the mixed dentition period is:
Class II Div. 1
53
A type of conditioning where in a specific response is immediately rewarded
Operant conditioning
54
The patients history of childhood diseases are under
medical history
55
The history on the behavior of the child toward dentistry:
Dental history
56
Method of early examination where the dentist and parent are seated face to face
Knee to knee position
57
In pedodontic triangle the apex of the triangle is:
Child
58
Parent who are mistrusting are:
Overprotective Parent
59
Parent who are demanding and can extend to directing the course of the treatment is a :
Manipulative Parent
60
Panoramic Radiographic Film:
5" x 12
61
Frankl behavior rating characterized by refusal of treatment and extreme negativism:
Rating 1
62
A period that child undergoes the phase of separation anxiety:
Pre school
63
In Nitous oxygen sedation, once a petient takes a distant gaze the concentration of the nitous oxide- oxygen is reduces to:
30-70
64
Device that assess the arterial hemoglobin oxygen saturation and pulse rate:
pulse oximeter
65
Quadrant used in the gluteal region when intramuscular sedation is used:
upper outer quadrant
66
The most unstable form of fluoride used for topical application:
Stannous Fluoride
67
A sudden firm command use dto get the child's attention:
Voice control
68
Procedure which slowly develops behavior by reinforcing successive approximation of the desired behavior until desired behavior develop:
behavior shaping
69
Parents should be allowed inside a treatment room when:
e. a&b
70
A technique of diverting the attention of the patient from what may be perceived as an umpleasant procedure:
Distraction
71
Plastics applied to the occlusal surface of posterior teeth by simple acid etch method to prevent dental caries & early carious lesion from developing further
Preventive Restorative Resin
72
Medicament used in type A PRR:
Pit and fissure sealant
73
Distance of punched holes on the rubber dam for primary teeth:
1.5 mm
74
Gingival cavosurface beveling is not indicated in Class II cavity preparation for deciduous teeth, because the direction of the enamel rods are toward:
Occlusal
75
** Etching time for deciduous dentition is ----- compared to permanent dentition:**
longer
76
The least amount of tooth surface reduction in stainless steel crown preparation is:
buccal
77
Ellis classification of tooth fracture when the coronal pulp is exposed:
Class III
78
Ellis classification of tooth fracture when a tooth is lost as a result of trauma
Class V
79
Ellis classification of a non vital traumatized tooth:
Class IV
80
Treatment of choice for an immature non vital permanent tooth to stimulate root closure:
Apexification
81
Materials that is used to induced apexification:
calcium hydroxide
82
Superficial wound due to scrapping of the mucosa:
abrasion
83
Hypoplastic enamel is a result in the disturbance at:
Appostion stage
84
Macrodontia incisor crown with two root canals:
Fusion
85
Presence of enamel at the furcation of the root:
enameloma
86
Radiograph picture of a caries is generally--- than the actual caries:
Smaller
87
Primary molars with multisurface caries ( 3 or more) are best restored using:
SSC
88
Primary teeth have pulpal inflammation when the bacterial infested dentin is
mm from the pulp:
1.8
89
Requires retentive groove in tooth preparation:
strip crown
90
T-cut made on celluloid strip crown is placed on the surface?
lingual
91
The following are favorable storage medium for avulsed tooth, except:
water
92
Treatment for non-vital tooth with open apex:
Apexification
93
This method is not indicated on children who are emotionally immature
Voice control
94
Diverts the attention of the patient from what may be perceived as an unpleasant procedure
d. Distraction
95
Conveying reinforcement and guiding behavior through contact, posture and facial expression
Non Verbal communication
96
Method used to strengthen the occurrence of desired behavior through verbal praise, giving tokens and toys
Positive reinforcement
97
Which of the following conditions is usually present in a Class
II, Division 2 malocclussion?
Lingual inclination of maxillary central incisors
98
A distal shoe space maintainer is indicated when a primary:
second molar is lost before eruption of a permanent first molar
99
Complete unilateral lip-jaw palate cleft.
Class III
100
Anodontia, diagnosed in a 5-year-old child, primarily affects the growth of the:
alveolar bone
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100問 • 8ヶ月前問題一覧
1
Skeletal tissues grow in response to soft tissue growth
Moss' Hypothesis
2
Cranial vault grows primarily by cartilage growth at:
fontanelles
3
Cranial base grows primarily by_ growth at the synchondrosis:
endochondral
4
Over 90% of brain growth is achieved by age:
6
5
Neurocranium follows what Scammon's curve?
neural
6
Growth of brain case is primarily by proliferation and ossification of:
sutural connective tissue
7
Nasomaxillary complex is hafted to the cranium by the following sutures except:
frontotemporal
8
As the maxilla decends, there is _ on the orbital floor, —
on the nasal floor and on the inferior palatal surface:
+-+
9
The increase in length of the maxilla is due to:
e. A&B
10
Mechanism for maxillary growth:
all of the choices
11
The mechanism for bone growth of the nasomaxillary complex is:
intramembranous
12
The sutures of the nasomaxillary complex are oblique and more or less parallel with each other thus, growth in these areas would serve to displace the maxilla:
downward and forward
13
Continued apposition of alveolar bone on the free borders of the alveolar process as the teeth erupt increases the _ of the maxilla.
height
14
Increase in the width of the maxilla involves palatal growth following the expanding V principle. The buccal segments move:
downward and forward
15
The maxilla Is displaced downward and forward by growth in parts of the bone:
posterior and superior
16
What characteristic growth pattern is shown in the vertical section through the coronoid process?
(t) on the lingual, (-) on half of the buccal surface
17
What characteristic growth pattern is shown in the vertical section through the basal part of the ramus?
(-) on the lingual, (+) on the buccal surface
18
When teeth are lost, alveolar bone:
resorbs
19
Mandibular growth follows what growth curve?
genital
20
At age 5-10, the mandible is _ completed.
65%
21
The predominant direction of mandibular growth is:
superior and posterior
22
Displacement of the mandible occurs in what direction?
downward and forward
23
Increase in mandibular length is accomplished by:
(t) on the posterior border, (-) on the anterior border of the ramus
24
Growth of the posterior border of the mandible with additive growth at the ends of the "V" increases the terminal points. This increases the _ of the mandible.
width
25
Condylar growth with significant alveolar growth increase the of the mandible.
height
26
Some mandibles grow more forward than downward. If there is predominance of forward growth __ is the result
Class III
27
When is the best time to influence, retard or redirect growth?
just before and during puberty
28
The order form most rapid to least amount of growth for the
depth, width, height
29
The order form greatest to least incremental change for the
height, depth, width
30
At age 0-5, which has grown the most at 85%?
neurocranium
31
Because of the differential growth of the maxilla and the mandible at age 0-5, the normal profile at birth is:
convex
32
Maxillary intercanine width is completed in girls at age:
12
33
Second peak for girls:
7-9
34
For boys, maximum condylar changes concurrently with sutural and skeletal height peaks 3 years later that for girls.
false
35
Treatment timing must be based on the individual's own pattern of growth.
true
36
Primate space if found:
mesial of the upper cuspid and distal of the lower cuspid
37
Normal terminal plane relationship|:
flush/straight
38
The most common sequence of eruption for the upper arch:
6123457
39
The stage at which a tooth begins its eruptive movement:
6
40
Periapical lesions, pulpitis and pulpotomy of a primary molar
— the eruption of successor premolar.
Hasten
41
If a primary tooth is extracted prior to the onset of permanent eruptive movement (prior to root formation), the permanent tooth is likely to be:
delayed
42
Which one is an incorrect description of Nolla's stages of calcification?
Stage 6, crown almost completed
43
Space differential in the anterior segment ( BA/AB ) - 21/12
gives:
negative space
44
The proper crown angulation of a permanent incisor is one where the gingival portion of the long axis of the crown should be _ to the incisal portion.
distal
45
Rotated teeth occupy less space within the arch:
false
46
Plane of occlusion for permanent teeth:
flat
47
Posterior crown inclination from canine to molar:
lingual crown inclination
48
Size of teeth correlates well with stature. Size of teeth is sex-linked.
1st statement is false, 2nd is true
49
The most prevalent malocclusion in the primary dentition:
anterior openbite
50
A dolichofacial face would likely to have _ arch form.
long and tapering
51
A face that is broad and short is:
brachyfacial
52
The most common malocclusion in the mixed dentition period is:
Class II Div. 1
53
A type of conditioning where in a specific response is immediately rewarded
Operant conditioning
54
The patients history of childhood diseases are under
medical history
55
The history on the behavior of the child toward dentistry:
Dental history
56
Method of early examination where the dentist and parent are seated face to face
Knee to knee position
57
In pedodontic triangle the apex of the triangle is:
Child
58
Parent who are mistrusting are:
Overprotective Parent
59
Parent who are demanding and can extend to directing the course of the treatment is a :
Manipulative Parent
60
Panoramic Radiographic Film:
5" x 12
61
Frankl behavior rating characterized by refusal of treatment and extreme negativism:
Rating 1
62
A period that child undergoes the phase of separation anxiety:
Pre school
63
In Nitous oxygen sedation, once a petient takes a distant gaze the concentration of the nitous oxide- oxygen is reduces to:
30-70
64
Device that assess the arterial hemoglobin oxygen saturation and pulse rate:
pulse oximeter
65
Quadrant used in the gluteal region when intramuscular sedation is used:
upper outer quadrant
66
The most unstable form of fluoride used for topical application:
Stannous Fluoride
67
A sudden firm command use dto get the child's attention:
Voice control
68
Procedure which slowly develops behavior by reinforcing successive approximation of the desired behavior until desired behavior develop:
behavior shaping
69
Parents should be allowed inside a treatment room when:
e. a&b
70
A technique of diverting the attention of the patient from what may be perceived as an umpleasant procedure:
Distraction
71
Plastics applied to the occlusal surface of posterior teeth by simple acid etch method to prevent dental caries & early carious lesion from developing further
Preventive Restorative Resin
72
Medicament used in type A PRR:
Pit and fissure sealant
73
Distance of punched holes on the rubber dam for primary teeth:
1.5 mm
74
Gingival cavosurface beveling is not indicated in Class II cavity preparation for deciduous teeth, because the direction of the enamel rods are toward:
Occlusal
75
** Etching time for deciduous dentition is ----- compared to permanent dentition:**
longer
76
The least amount of tooth surface reduction in stainless steel crown preparation is:
buccal
77
Ellis classification of tooth fracture when the coronal pulp is exposed:
Class III
78
Ellis classification of tooth fracture when a tooth is lost as a result of trauma
Class V
79
Ellis classification of a non vital traumatized tooth:
Class IV
80
Treatment of choice for an immature non vital permanent tooth to stimulate root closure:
Apexification
81
Materials that is used to induced apexification:
calcium hydroxide
82
Superficial wound due to scrapping of the mucosa:
abrasion
83
Hypoplastic enamel is a result in the disturbance at:
Appostion stage
84
Macrodontia incisor crown with two root canals:
Fusion
85
Presence of enamel at the furcation of the root:
enameloma
86
Radiograph picture of a caries is generally--- than the actual caries:
Smaller
87
Primary molars with multisurface caries ( 3 or more) are best restored using:
SSC
88
Primary teeth have pulpal inflammation when the bacterial infested dentin is
mm from the pulp:
1.8
89
Requires retentive groove in tooth preparation:
strip crown
90
T-cut made on celluloid strip crown is placed on the surface?
lingual
91
The following are favorable storage medium for avulsed tooth, except:
water
92
Treatment for non-vital tooth with open apex:
Apexification
93
This method is not indicated on children who are emotionally immature
Voice control
94
Diverts the attention of the patient from what may be perceived as an unpleasant procedure
d. Distraction
95
Conveying reinforcement and guiding behavior through contact, posture and facial expression
Non Verbal communication
96
Method used to strengthen the occurrence of desired behavior through verbal praise, giving tokens and toys
Positive reinforcement
97
Which of the following conditions is usually present in a Class
II, Division 2 malocclussion?
Lingual inclination of maxillary central incisors
98
A distal shoe space maintainer is indicated when a primary:
second molar is lost before eruption of a permanent first molar
99
Complete unilateral lip-jaw palate cleft.
Class III
100
Anodontia, diagnosed in a 5-year-old child, primarily affects the growth of the:
alveolar bone