Radiology Module 2 Exam

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1
What is the CDT code for an FMX?
D0210
2
What is the CDT code for the first PA?
D0220
3
What is the CDT code for additional PAs?
D0230
4
What is the CDT Code for 2 or 4 horizontal bitewings?
D0274
5
What is the CDT code for 6 vertical bitewings?
D0277
6
What is the CDT code for a pano?
D0330
7
What is the recommended FMX interpretation sequence?
Maxillary Right PA to Maxillary Left PA to Mandibular Left PA to Mandibular Right PA to RIght BW to Left BW (Disney Logo)
8
What type of bone appears more dense and radiopaque?
Cortical or Compact Bone
9
What type of bone appears more spongy and radiolucent?
Cancellous Bone
10
What structure appears on a radiograph as a thin radiolucent line between the maxillary incisors?
Median Palatine Suture
11
What structure appears as a v-shaped radiopaque area periapical to the maxillary central incisors?
Anterior Nasal Spine
12
What structure appears as a small round radiolucent area between the maxillary central incisors?
Incisive Foramen
13
What structures appear as fuzzy radiopaque masses within the nasal cavity?
Nasal Conchae
14
What is the radiopaque shape formed by the intersection of the lateral wall of the nasal fossa and the anterior border of the maxillary sinus near the maxillary canines?
Inverted Y
15
What structure appears as a large radiolucent area superior to the maxillary incisors?
Nasal Cavity or Fossa
16
What structures appear as large radiolacent areas superior to the apices of the maxillary premolars and molars?
Maxillary Sinus
17
What structure appears as a fuzzy radiopaque band extending posteriorly from the zygomatic process?
Zygoma
18
What structure appears as a vertical radiopaque line that divides the nasal cavity?
Nasal Septum
19
What structures appear as radiopaque lines within the maxillary sinus?
Sinus Septum
20
What structures appear as narrow radiolucent bands surrounded by two thin radiopaque?
Nutrient Canals
21
What structure appears as a radiopaque bulge distal to the third molar?
Maxillary Tuberosity
22
What structure appears as a radiopaque hook-like projection posterior to the maxillary tuberosity?
Hamulus
23
What structure appears as a ring-shaped radiopacity inferior to the apices of the mandibular incisors?
Genial Tubercles
24
What structure appears as a small radiolucent dot inferior to the apices of the mandibular incisors and is surrounded by the genial tubercles?
Lingual Foramen
25
What structure appears as a small, round radiolucent area in the apical region of the mandibular premolars?
Mental Foramen
26
What structure appears as a thick radiopaque band extending from the mandibular premolar region to the midline?
Mental Ridge
27
What structure appears as a radiolucent area above the mental ridge near the mandibular incisors?
Mental Fossa
28
What is another name for the internal oblique ridge?
Mylohyoid Line
29
What is another name for the mylohyoid line?
Internal Oblique Ridge
30
What structure appears as a dense radiopaque band extending down from the third molar region near the apices?
Mylohyoid Ridge (Internal Oblique Ridge)
31
What structure appears as a radiopaque band extending downward from the anterior border of the ramus and ends in the mandibular third molar region?
External Oblique Ridge
32
Does the internal or external oblique ridge appear lower on a radiograph?
Internal Oblique Ridge
33
What structure appears as a radiolucent band with two thin radiopaque lines that represent the cortical walls located near the apices of the mandibular molars?
Mandibular Canal
34
What structure may appear as a triangular radiopacity over or inferior to the maxillary tuberosity region?
Coronoid Process
35
What structure may appear on a pano as a sharp projection behind the ramus of the mandible?
Styloid Process
36
Does radiolucent describe light or dark areas of a radiograph?
Dark
37
Does radiopaque describe dark or light areas on a radiograph?
Light
38
What is the term for a radiographic lesion that has one compartment?
Unilocular
39
What is the term for a radiographic lesion with multiple compartments?
Multilocular
40
What is the term for a radiographic lesion with a pronounced rim of bone?
Corticated
41
What is the term for a radiographic lesion with fuzzy, poorly defined borders?
Noncorticated
42
What is the term for a well-defined, localized radiopaque lesion?
Focal Opacity
43
What is the term for a well-defined radiopaque lesion surrounded by a uniform radiolucent halo?
Target Lesion
44
What is the term for a lesion that appears granular or pebbled?
Ground Glass Opacity
45
What is the term for multiple radiopacities that overlap or flow together?
Multifocal Confluent Pattern
46
What is the term for a lesion located near the root of a tooth?
Periapical
47
What is the term for a lesion located near the crown of a tooth?
Pericoronal
48
What is the term for a lesion located in between roots?
Inter-radicular
49
What is the term for an area that does not have teeth?
Edentulous
50
What is the name of the air space seen on a pano beneath the floor of the nasal cavity and above the maxillary teeth?
Palatoglossal Air Space
51
What is the name of the air space located laterally and superior to the floor of the nasal cavity? Near the head of the ramus.
Nasopharyngeal Air Space
52
What is the name of the air space that is lateral to the ramus and appears outside of the skull on a pano?
Glossopharyngeal Air Space
53
What two types of crowns appear on radiographs as very radiopaque with smooth countours and regular borders?
Gold or Zirconia
54
What types of crowns appear radiopaque, but less so than gold or zirconia, and are often not contoured properly to the cervical portion of the tooth?
Stainless Steel and Chrome
55
What type of crown appears slightly radiopaque and may have a brighter radiopaque line of cement outlining the prepared tooth?
Porcelain
56
What type of crown appears slightly radiopaque with a completly radiopaque center?
Porcelain-Fused-to-Metal
57
What type of restoration appears as very radiopaque with irregular borders and a slight overhang?
Amalgam Fillings
58
What type of restorations usually appear as slightly radiopaque, but may appear radiolucent?
Composite Fillings
59
What type of resotrations are often used as a temporary crown or filling, appear slightly radiopaque, with a poor marginal fit?
Acrylic Restorations
60
Which endodontic material appears as slightly radiopaque lines in the pulp canals?
Gutta Percha
61
Which endodontic material appears as very radiopaque lines in the pulp canals?
Silver Points
62
What type of restoration appears very radiopaque and screw-like?
Dental Implants
63
What is it called when a restoration does not properly contact adjacent teeth?
Open or Loose Contacts
64
What is it called when a restorative material hangs down over the edge of the tooth?
Overhangs
65
What is it called when the edges of a restoration are uneven?
Uneven Marginal Ridges
66
What is it called when the margins of a restoration to not properly cover the tooth?
Inadequate Margins
67
What shape do interproximal caries progress in?
Triangular
68
What class of interproximal caries extend less than halfway through the thickness of the enamel?
Incipient
69
What class of interproximal caries extend more than halfway through the thickness of the enamel and do not involve the DEJ?
Moderate
70
What class of interproximal caries extend to or through the DEJ, but do not extend more than halfway through the dentin?
Advanced
71
What class of interproximal caries extend through the enamel and more than halfway through the dentin
Severe
72
What class of occlusal caries only involve the enamel?
Incipient
73
What class of occlusal caries extend into the dentin?
Moderate
74
What class of occlusal caries extend more than halfway into the dentin?
Severe
75
What form of noncarious lessions appear on incisal or occlusal surfaces as shallow concavities and may resemble occlusal/incisal caries
Attrition
76
What form of noncarious lesion appears on root surfaces as well-defined horizontal radiolucencies along the cervical region of the tooth?
Abrasion
77
What stage of periodontal disease is characterized by <15% radiographic bone loss?
Stage I
78
What stage of periodontal disease is characterized by 15%-33% radiographic bone loss?
Stage II
79
What stage of periodontal disease is characterized by >33% radiographic bone loss?
Stage III
80
What stage of periodontal disease is characterized by >33% radiographic bone loss and missing 5+ teeth due to perio disease?
Stage IV
81
What percent RBL is present in Stage I periodontal disease?
<15%
82
What percent RBL is present in Stage II periodontal disease?
15%-33%
83
What percent RBL is present in Stage III periodontal disease?
>33%
84
What percent RBL is present in Stage IV periodontal disease?
>33% AND missing 5+ teeth due to perio disease
85
What are the characteristics present in localized bone loss?
Less than 30% of the sites involved
86
What are the characteristics of generalized bone loss?
More than 30% of the sites involved
87
What pattern of bone loss occurs in a plane parallel to the CEJs of adjacent teeth?
Horizontal
88
What pattern of bone loss occurs in a plane perpendicular to the CEJ?
Vertical (Angular)
89
What condition is characterized by a missing part of a crown?
Crown Fractures
90
What condition appears as a sharp radiolucent line on the root of a tooth?
Root Fractures
91
What condition is characterized by the destruction of the root along its periphery and appears on a radiograph as a blunted root?
External Resorption
92
What condition is characterized by the destruction of dentin around the pulp cavity and apears as a round radiolucency in the mid-crown or mid-root portion of a tooth?
Internal Resorption
93
What condition is characterized by the calcification of the pulp chamber and canals and appears radiographically as a pulp cavity of decreased size with very thin pulp canals?
Pulpal Sclerosis
94
What condition is characterized by complete calcification of pulp tissue and appears radiographically as no visible pulp chamber and/or pulp canals?
Pulp Canal Obliteration
95
What condition is characterized by calcifications found in the pulp chambers or canals and appear as round/ovoid radiopacities?
Pulp Stones
96
What condition is a localized collection of pus around the apex of a nonvital tooth that appears radiographically as a round/ovoid apical radiolucency with poorly defined margins?
Periapical Abscess
97
What condition is an infection that originates in the periodontal structures and is an acute destructive process that appears as a radiolucent area along the lateral aspect of the root, typically inter-radicular?
Periodontal Abscess
98
What condition appears as a well-defined radiopacity below the apex of a nonvital tooth that is not attached to the root and does not involve the PDL space? It is an area where more bone is produced in an area due to past infection.
Condensing Osteitis
99
What condition appears as a well defined radiopacity below a vital, noncarious tooth?
Sclerotic Bone
100
What condition is characterized by excessive deposition of cementum and appears radiographically as a radiopaque band along all or part of a root surface?
Hypercementosis
101
What is the room number of Rad Lab?
223
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