Test 4 Flashcards
1
Q
1.
A
Amalgam
2
Q
Opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars.
Radiolucent/Radiopaque?
A
Mental foramen
Radiolucent
3
Q
1.
A
Dental base
4
Q
Opening or hole in bone located at the midline of the anterior portion of the
hard palate directly posterior to the maxillary central incisors.
Radiolucent/Radiopaque?
A
Incisive foramen #1
Radiolucent
5
Q
Identify #1.
A
Border of maxillary sinus
6
Q
Linear prominence of bone located on the internal surface of the mandible that extends downward & forward from the ramus?
Radiolucent/Radiopaque?
A
Internal oblique ridge
Radiopaque
7
Q
2.
A
Radiopaque amalgam restorations
8
Q
1.
A
PDL space
9
Q
Identify the air space image #2
A
nasopharyngeal
10
Q
Intersection of the maxillary sinus & the nasal cavity
as viewed on a dental radiograph.
Radiolucent/Radiopaque?
A
Inverted Y
Radiopaque
11
Q
J or U shape located above the maxillary first molars.
Radiolucent/Radiopaque?
A
zygomatic process of maxilla #4
Radiopaque
12
Q
2.
A
Mylohyoid ridge
13
Q
1.
A
Full metal crowns form bridge abutments
14
Q
Identify the age of this patient
A
Age 12
15
Q
Name the classification of dental caries illustrated by 3
A
C-3 Advanced Caries
Advanced: Lesion that extends to or through the DEJ but does not extend more than half the distance to the pulp
16
Q
Identify #1.
A
Border of maxillary sinus
17
Q
Identify #5.
A
Lateral pterygoid
18
Q
Sharp projection of the maxilla located at the
anterior and inferior portion of the nasal cavity.
Radiolucent/Radiopaque?
A
Nasal Spine
Radiopaque
19
Q
Identify the age of this patient
A
Age 8
20
Q
4
Identify the following:
A
PDL Space
21
Q
Rounded prominence of bone that extends
posterior to the third molar region.
Radiolucent/Radiopaque?
A
Maxillary Tuberosity #2
Radiopaque
22
Q
Identify the following:
(tube-like passageways through bone supplying blood vessels and nerves to maxillary teeth and bone, appear as narrow bands)
A
Nutrient Canals in Max Sinus
23
Q
Identify #3.
A
Nutrient foramen
24
Q
6.
A
Post and core
25
2.
Severe caries
26
**Tiny tube-like passageways** through **bone** that house **blood vessels** and **nerves** supplying the **maxillary teeth** and the **interdental areas.**
Radiolucent/Radiopaque?
**Nutrient canals**
**Radiolucent**
27
Identify #3
ear
28
Amalgam tattoo
29
9.
Retention pin
30
Identify the following Radiopaque Anatomical Landmarks
#7
(sharp projection located at the **anterior** and inferior portion of **nasal cavity**, appears **v-shaped**, intersection of **floor of nasal cavity** and septum)
**Anterior nasal spine**
31
Radiopaque lesion
32
1.
Supernumeray tooth with dilacerated root
33
Name the classification of dental caries illustrated by 2
C-2 Moderate Caries
***Moderate: Lesion that extends more than halfway through enamel but does not involve the dentinoenamel junction (DEJ)***
34
External resorption
35
Identify the following Radiopaque Anatomical Landmarks
#5
(**vertical** bony wall **dividing nasal cavity**, appears as a vertical partition, and may be **superimposed over median palatine suture**)
Nasal Septum
36
3.
Mandibular canal
37
Identify # 1
Biteblock
38
**Found beneath the ename**l and **surrounds the pulp cavity**.
Radiolucent/Radiopaque?
**Dentin**
**Radiolucent**
39
**Bony projection** of the **sphenoid bone** located **distal to the maxillary tuberosity** region
(\*\*not seen on PA radiographs)
Radiolucent/Radiopaque?
**Lateral pterygoid plate #5**
**Radiopaque**
40
Identify the age of this patient
Age 11
41
**Linear prominence of bone** located on the
**external surface** of the body of the **mandible.**
Radiolucent/Radiopaque?
**External oblique ridge**
**Radiopaque**
42
Identify the following:
#6.
Border of nasal fossa
43
Identify the following radiolucent anatomical landmarks
#5.
(tiny **opening in bone** on **internal surface of mandible**, surrounded by **genial tubercles** appears **apical to mandibular incisors**)
lingual foramen
44
Identify #2.
(**paired cavities** located **above maxillary molars and premolars** and extend into furcations, interdental bone, and tuberosity region, appear over apices of maxillary posteriors)
Maxillary sinus
45
Identify 3.
(bony projection appears **J or U shaped superior to maxillary 1 st molar** region)
Zygomatic process of maxilla
46
**Tiny bumps of bone** that serve as **attachment sites for the muscle.**
Appear as **ring shape around the lingual foramen.**
Radiolucent/Radiopaque?
**Genial tubercles**
**Radiopaque**
47
1.
Radiopaque pins
48
Identify the age of this patient
8 year old
49
Identify #4.
Maxillary sinus
50
Identify # 1
Spinal column (cervical vertebrae)
51
Identify the following Radiolucent Anatomical Landmark
#6.
Border of nasal fossa
52
Incisive canal cyst
53
Identify the following:
#1
**Dentin**
54
1.
Irregular margins of amalgam
55
Identify #4.
(formed by zygomatic process of maxilla and temporal bone, appears as diffused band extending posterior from zygomatic process of maxilla)
Zygoma
56
Dens in dente
57
Identify #3.
Inverted Y landmark
58
2.
Metal pontic
59
**Immovable joint** between the **two palatine processes** of the **maxilla.**
Extends from the alveolar bone **between the**
**maxillary central incisors** to the posterior hard palate.
Radiolucent/Radiopaque?
**Median palatine suture**
**Radiolucent**
60
Identify the following:
#1.
Outline of nose
61
1.
Composite resin
(Appears slightly more radiopaque than dentin)
62
**Wall of the tooth socket** that **surrounds** the **root of a tooth**.
**Dense cortical bone** surrounds the **root of the tooth.**
Radiolucent/Radiopaque?
#5
**Lamina Dura**
**Radiopaque**
63
1.
Full metal crown
64
1.
Radiopaque metal shell
PFM metal part
65
2.
Radioluscent dental base
66
Identify the age of this patient
8-9 years old
67
Identify the age of this patient
15 year old
68
The **inverted Y landmark** is composed of the intersection of **what two structures**?
a. lateral wall of the nasal cavity and anterior border of the maxillary sinus
b. anterior border of the maxillary sinus and inferior border of the mandible
c. lateral wall of the nasal cavity and soft tissue shadow of the nose
d. inferior border of the zygomatic process and the anterior nasal spine
a. **lateral wall** of the **nasal cavity**
and
**anterior border** of the **maxillary sinus**
69
raidographic evidence of **resorption** that appears to **shorten a tooth root** is call
a. internal
b. primary
c. external
d. secondary
c. **external resorption**
70
Internal resorption
| (Widening of the pulp chamber)
71
**Bony walls** that appear to **divide the maxillary sinus** into **compartments.**
Radiolucent/Radiopaque?
**Border of Maxillary Sinus #1**
**Radiopaque**
72
Identify the following:
#3
**Pulp Chamber**
73
Identify the air space image #3
glossopharyngeal
74
Identify the following radiolucent anatomical landmark
#2.
**(tubelike passageways through bone** containing **nerves and blood vessels** to teeth, appear as **vertical lines in thin bone**)
**Nutrient canal**
lingual view
75
**Bony wall** formed by the **palatal processes** of the **maxillae**
& the **horizontal portions** of the **palatine bones.**
Radiolucent/Radiopaque?
Floor of Nasal Fossa
## Footnote
**Radiopaque**
76
External Resorbtion
77
Identify the age of this patient
Age 8
78
Surgical wire
79
Identify the following radiolucent anatomical landmarks
#1.
(tubelike passageways through bone containing nerves and blood vessels to teeth, appear as vertical lines in thin bone)
Nutrient canal
80
Identify the age of this patient
8 year old
81
3.
Mental foramen
82
2.
PFM
| (Porceline Full Metal Crown)
83
Tiny opening or **hole** located on the **internal surface** of the **mandible,**
**below the mandibular incisors.**
Radiolucent/Radiopaque?
**Lingual Foramen**
**Radiolucent**
84
Identify the following radiopaque anatomical landmark
#1.
(linear **prominence extending from premolar to premolar,** appears as a **thick band superimposed over anterior teeth)**
**Mental ridge**
Lingual view
85
**Outer most layer** of the **crown of a tooth**.
Radiolucent/Radiopaque?
Enamel
## Footnote
**Radiopaque**
86
1.
Glass ionomer bonding
87
**Pear-shaped** compartment of **bone** located **superior to the maxilla.**
Large area above **maxillary incisors.**
Radiolucent/Radiopaque?
**Nasal fossa (cavity) #4**
**Radiolucent**
88
4.
Composite resin
89
Which of the following **facial bones** could appear on a **periapical radiograph**?
a. occipital
b. parietal
c. frontal
d. zygoma
d. **zygoma #4**
90
Identify #2.
Nasal fossa
91
Identify the following
#1
(exit of **nasopalatine nerve**, appears **ovoid**
**between roots of maxillary central incisors** in radiographs)
Incisive foramen
92
Identify the following **radiolucent** anatomical landmark
#4.
(**paired cavities** located above **maxillary molars and premolars** and extend into furcations, interdental bone, and tuberosity region, **appear over apices**
of **maxillary posteriors**)
Maxillary sinus
93
Retained root fragment
94
1.
Radioluscent composite resin
95
2.
Torus mandibularis
96
6.
PFM crown
97
PFM
| (Implant replaced tooth)
98
Name the classification of dental caries illustrated by 4
C-4 Severe Caries
***Severe: Lesion that extends through enamel, through dentin, and more than half the distance to the pulp***
99
Each of these features will **appear radiopaque** EXCEPT one.
Which one is the **EXCEPTION**?
a. ridge
b. sinus
c. tubercles
d. process
b. **sinus #4**
100
5.
Porcelain crown
101
Which of the following will **most likely appear** as a **radiopacity** outlining the **tooth root**?
a. PDL space
b. lamina dura
c. nutrient canal
d. cementum
b. **lamina dura**
102
2.
Amalgam
103
Hypercementosis
***excessive formation** of **cementum** along a **tooth root**, this enlargement will usually take on a **bulbous appearance** toward the **root apex***
104
5.
Gutta-percha
105
2.
Periapical radiolucency
106
Identify the following Radiolucent Anatomical Landmark
#5
(vertical bony wall dividing nasal cavity, appears as a vertical partition, and may be superimposed over median palatine suture)
Nasal Septum
107
Identify the age of this patient
Age 9-10
108
2.
Overhang
109
Identify the age of this patient
Age 13-15
110
Identify the following **Radiolucent** Anatomical Landmark
#8
(**immovable joint** between **two palatine processes of maxilla,** appears as a **thin line** between **maxillary central incisors** in radiographs)
Median palatine suture
111
Identify the following:
#5.
Superimposition of first premolar over canine
112
Identify # 6.
**Inferior border of mandible**
113
Identify the following:
#1
Primary Canine
114
4.
Submandibular fossa
115
**Scooped out depressed** area of **bone** located on the **internal surface** of the **mandible inferior** to the **mylohyoid ridge**, **molar region.**
Radiolucent/Radiopaque?
**Submandibular fossa**
**Radiolucent**
116
Identify the age of this patient
7 year old
117
7.
Silver point endodontic filler
118
2.
Less radiopaque ceramic porcelain crown
PFM porcelain part
119
2.
Smooth edges of full metal crown
120
Identify the following:
#7.
**Cancellous bone**
121
**Linear prominence** of **cortical bone** located on the **external surface** of the **anterior** portion of the **mandible (premolar/incisor region)**.
Radiolucent/Radiopaque?
**Mental ridges**
**Radiopaque**
122
Identify the following Radiolucent Anatomical Landmarks
#3
(**smooth depression** located between **lateral and canine**, appearance varies in area between maxillary canines and lateral incisors)
Lateral fossa
123
Identify the following Radiolucent Anatomical Landmark
#4
(**pear-shaped** compartment of **bone** located **superior to maxilla** and
**divided by nasal septum**, appears as a **large area above maxillary incisors** in radiographs)
Nasal fossa
124
Identify the following radiopaque anatomical landmark
#4.
(tiny **bumps of bone** on **lingual aspect of mandible**, appears as
ring shape opacity **apical to incisor**)
Genial tubercles
125
Very **radiopaque outer layer of bone**?
**Cortical Plate** of the Mandible
126
4.
Radiopaque cement under crown
127
Identify the following:
#2.
Outline of the nose
128
Identify the following Radiolucent Anatomical Landmarks
#4
(**pear shaped** compartment of **bone** located **superior to maxilla** and **divided** by **nasal septum**, appears as a **large area above maxillary incisors** in radiographs)
Nasal fossa
129
Identify #3
palate
130
Identify the following:
#6
**Root Canal**
131
2.
Amalgam
132
When **nutrient canals** open at the **surface of the bone**, they often appear **radiographically** as...?
a. small radiolucent dots
b. large radiopaque lines
c. small radiolucent lines
d. small radiopaque dots
a. **small radiolucent dots**
## Footnote
**#1**
133
Name the classification of dental caries illustrated by 1
C-1 Incipient Caries
## Footnote
***Incipient: Lesion that extends less than halfway through the enamel***
134
Identify the following radiopaque anatomical landmark
#8
(**prominence of bone on anterior ramus**, attachment site for **muscles of mastication**, **triangular in appearance**, appears superimposed over maxillary tuberosity region in radiographs)
Coronoid process of mandible
135
Identify #6.
Border of zygomatic arch
136
Dilaceration
137
Each of the following may appear on a **periapical radiograph** of the
**maxillary posterior region** EXCEPT one? Which one is the **EXCEPTION**?
a. maxillary sinus
b. incisive foramen
c. zygomatic arch
d. hamaulus
b. **incisive foramen**
138
Globulomaxillary cyst
139
**Vertical bony wall** or partition that **divides the nasal cavity**
into the **right or left nasal fossa.**
Radiolucent/Radiopaque?
**Nasal Septum**
**Radiopaque**
140
Identify the age of this patient
7 years ild
141
Identify the age of this patient
9 year old
142
3.
Retention pin
143
Marked **prominence of bone** found on the **anterior _ramus_** of the **mandible,**
**_triangle shape_ in _maxillary tuberosity region._**
Radiolucent/Radiopaque?
**Coronoid process**
**Radiopaque**
144
Identify the age of this patient
14-15 years old
145
Identify # 2.
(**pear-shaped** compartment of bone located **superior to maxilla** and **divided** by **nasal septum**, appears as a **large area above maxillary incisors i**n radiographs)
Nasal fossa
146
Identify #1
Tongue
147
Each of the following may appear on a **periapical radiograph** of the
**mandibular anterior region** EXCEPT one? Which one is the **EXCEPTION**?
a. genial tubercles
b. mental ridge
c. coronoid process
d. mylohyoid foramen
c. **coronoid process #8**
148
Identify the following radiopaque anatomical landmark
#3.
(bony projection appears **J or U shaped**
**superior** to **maxillary 1st molar** region)
Zygomatic process of maxilla
149
Turus mandibularis
150
1.
Caries
151
Identify the following radiopaque anatomical landmark
#7
(rounded prominence **posterior to 3rd molar** region
**blood vessels and nerves enter maxilla** to supply posterior teeth)
Maxillary tuberosity
152
Identify the following Radiopaque Anatomical Landmark
#7.
(**sharp projection** located at **anterior** and inferior portion of **nasal cavity**, appears
**v-shaped, intersection of floor of nasal cavity and septum**)
Anterior nasal spine
153
Identify the following radiopaque anatomical landmark
#5.
(formed by **zygomatic process of maxilla and temporal bone**, appears as diffused band extending **posterior from zygomatic process** of maxilla)
Zygoma
154
**Round** or **ovoid hole** in **bone** on the **lingual**
**aspect** of the **ramus of the mandible.**
Radiolucent/Radiopaque?
**Mandibular Foramen**
**Radiolucent**
155
Identify #2
opposite side mandible
156
Identify #2.
(paired cavities located above maxillary molars and premolars and extend into furcations, interdental bone, and tuberosity region, appear over apices of maxillary posteriors)
Maxillary sinus
157
**Thin line** around the **root of a tooth**.
Radiolucent/Radiopaque?
**Periodontal Ligament**
**Radiolucent**
158
Located **between** the **roots of the teeth.**
Radiolucent/Radiopaque?
**Alveolar bone**
**Radiopaque**
159
Identify #6.
Border of zygomatic arch
160
Identify the age of this patient
10 years old
161
3.
Broken dental bur
162
Identify #2
soft palate
163
Identify the age of this patient
5 year old
164
2.
Lamina dura
165
Which of these **_mandibular_ anatomical features** may be recorded on a **periapical radiograph** of the **_maxillary posterior_ region**?
a. mandibular cnanal
b. submandibular fossa
c. inferior border of the mandible
d. coronoid process
d. **coronoid process**
166
Identify the following Radiolucent Anatomical Landmarks
#8
(immovable joint **between two palatine processes** of **maxilla**, appears as a
**thin line** between **maxillary central incisors** in radiographs)
**Median palatine suture**
167
**Soft spongy bone** that is located
between **two layers of dense cortical bone.**
**Cancellous bone**
168
Identify the following:
#3.
Permanent Canine
169
4.
Submandibular fossa
170
Which of these **structures** appears **radiolucent (dark)**?
a. enamel
b. cementum
c. dentin
d. pulp
d. **pulp #3**
171
8.
Base material
172
Identify the air space image #1
Palatoglossal
173
Identify the following Radiolucent Anatomical Landmarks
#2
**Incisive Foramen**
(exit of **nasopalatine nerve**, appears **ovoid** between
**roots of maxillary central incisors** in radiographs)
174
Identify the following **radiopaque** anatomical landmark
#3.
(**intersection** of anterior border of **maxillary sinus** and lateral wall of **nasal fossa**, appears as an **upside-down Y**, located **above maxillary canine**)
Inverted Y landmark
175
what term describes a **lesion located** around an **unerupted tooth crown**?'
a. interproximal
b. periapical
c. pericoronal
d. interradicular
c. **pericoronal**
refers to a **location around a tooth crown.**
176
the **failure** of a **tooth or multiple teeth** to **develop** is call
a. hyperdontia
b. hypodontia
c. supernumerary
d. dens in dente
b. **hypodontia**
177
3.
Radioluscent glass ionomer
178
Supernumerary tooth
179
Identify the following:
#5
**Lamina Dura**
180
Each of these features will **appear radiolucent (dark)** EXCEPT one.
Which one is the **EXCEPTION**?
a. foramen
b. suture
c. canal
d. spine
d. **spine #7**
181
1.
Oblique Ridge
182
Fusion of mandibular lateral and central incisors
183
Identify #1 and # 2
1. Cartilage
2. hyoid bone
184
Identify the age of this patient
Age 6
185
Each of the following may appear on a **periapical radiograph** of the
**mandibular posterior region** EXCEPT? Which one is the **EXCEPTION**?
a. mental foramen
b. pterygoid plate
c. mandibular canal
d. mylohyoid ridge
b. **pterygoid plate #4**
186
Identify the following
#3
(**smooth depression** located between lateral and canine, appearance varies in area **between maxillary canines and lateral incisors**)
Lateral fossa
187
Identify the following **Radiolucent** Anatomical Landmark
#1.
(**smooth depression** located **between lateral and canine**, appearance varies in area between **maxillary canines and lateral incisors)**
Lateral fossa
188
Identify the age of this patient
5-6 year old
189
**Cheekbone** that articulates with the
**zygomatic process of the maxilla.**
Radiolucent/Radiopaque?
Zygomatic arch or Zygoma
## Footnote
**Radiopaque**
190
Identify the following radiopaque anatomical landmark
#4.
(bony walls **dividing maxillary sinus** into compartments, appears as
**lines within maxillary sinus**, presence varies with anatomy)
Septum in maxillary sinus
191
Identify the age of this patient
8 years old
192
**Small hook-like projection** of bone that extends from the
**medial pterygoid plate** of the sphenoid bone.
Radiolucent/Radiopaque?
**Hamulus #5**
**Radiopaque**
193
Identify the following:
#2
**Enamel**
194
Identify #2
side positioner guides
195
Contains **blood vessels, nerves, and lymphatic** on x-ray.
Radiolucent/Radiopaque?
**Pulp**
**Radiolucent**
196
Distomolar
197
7.
PFM crown
198
Identify the following:
#4.
Permanent first premolar
199
Identify #1.
Lateral fossa
200
Which of the following **structures** may be recorded **radiographically**
**superimposed** **over** the **roots** of the **maxillary molars**?
a. mastoid process
b. maxillary tuberosity
c. zygomatic process
d. mylohyoid ridge
c. **zygomatic process #3**
201
1.
Stainless steel crown
| (Notice the see through appearance)
202
3.
amalgam
203
A **cavity** in **pits or fissures** on the **occlusal surfaces** of **molars** and **premolars**; **facial** and **lingual** surfaces of **molars**.
**Lingual surfaces** of **maxillary incisors**
**Class I**
204
Cavity on **proximal** surfaces of **premolars** and **molars**
**Class II**
205
Cavity on **proximal** surfaces of **incisors** and **canines** that
**do not involve** the **incisal angle**
**Class III**
206
Cavity on **proximal** surfaces of **incisors** or **canines** that
**involve** the **incisal angle**
**Class IV**
207
Cavity on the **cervical third** of the **facial** or **lingual** surfaces of **any tooth** (**Think of the neck of the tooth**)
**Class V**
208
Cavity on **incisal edges** of **anterior teeth**
and **cusp tips** of **posterior teeth**
(**very top surface of a tooth**)
**Class VI**
209
Identify the following
Proximal surface carries
210
Identify the following
Vertical angulation
211
Identify the following
Horizontal angulation
212
Identify the following
PA proximal surface carries
213
Identify the following
Interproximal caries
214
Identify the following
Early-stage of Occlusal caries
215
Identify the following
Advanced Occlusal caries
216
Identify the following
Severe Occlusal caries
217
Identify the following
Buccal or Lingual caries
218
Identify the following
Cemental (root) caries
219
Identify the following
Cemental (root) caries
220
Identify the following
Recurrent caries
221
Identify the following
Rampant caries
222
Identify the following
Nonmetallic restorations and caries
223
Identify the following
Cervical burnout
224
Identify the following #1
Severe occlusal caries.
225
Identify the following #2
Radiolucent lines creating a **mach band effect** caused by **overlapped enamel.**
226
Identify the following #3
Incipient distal surface caries.
227
Identify the following #4
Cervical burnout.
228
Identify the following
Triangulation = **widening of the PDL space**.
Triangulation appears to form a **radiolucent angular gap**, with its base **toward** the **tooth crown** and its **point toward the root apex**, between the radiopaque lamina dura and the root surface of the tooth.
229
Identify the following
#1 and #2
(1) Large deposits around the cervical region of the teeth.
(2) Height of alveolar bone remaining as a result of periodontal disease.
230
Identify the following
#1 and #2
Local contributing factors
(1) **Amalgam overhang** and (2) **calculus**
231
Identify the following
A
Correct vertical angulation
232
Identify the following
B
Incorrect vertical angulation
233
Identify the following
Health or Gingivitis.
Alveolar crest located 1 to 2 mm apical to the CEJ of the teeth.
234
Identify the following
Health or Gingivitis—anterior region
235
Identify the following
**Mild Periodontitis - Posterior**
The alveolar crest is located 2 to 3 mm apical to the CEJ of the teeth indicating up to a **15 % bone loss**
Radiolucent **cupping-out** of the **lamina dura**, especially visible between the **mandibular first** and **second molars**. Radiopaque **calculus** is visible on the **proximal surfaces of the teeth.**
236
Identify the following
**Mild Periodontitis—anterior region.**
**Blunting of the lamina dura** and radiolucent **widening of the PDL space.** Radiopaque **calculus** is visible on the **proximal surfaces** and across the
**cervical necks of the teeth.**
237
Identify the following
**Moderate Periodontitis**
Moderate bone loss **(16 to 30 percent)** , bone levels between
**3 and 5 mm below the CEJ** of the teeth
**Horizontal and vertical patterns of bone loss** observed. **Radiolucency** in the **furca** of the **mandibular molars.** Radiopaque **calculus** is visible on the **proximal surfaces** of the teeth.
238
Identify the following
**Moderate Periodontitis—anterior region.**
**Bone level 3 to 5 mm apical to the CEJ, indicating 16–30% bone loss.**
239
Identify the following
**Severe Periodontitis - posterior region**
Bone level **greater than 5 mm apical to the CEJ.** Radiolucencies indicating **furcation involvement.** Radiopaque **calculus visible on the proximal surfaces** of the teeth.
240
Identify the following
**Severe Periodontitis—anterior region.**
Bone level **greater than 5 mm apical to the CEJ, indicating greater than 30% bone los**s. Radiopaque **calculus visible** on the **proximal surfaces** of the teeth.
