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Dental Specialties Final Review DEN 109 Flashcards | StudBud
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Dental Specialties Final Review DEN 109
Dental Specialties Final Review DEN 109
285 terms
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Dental Specialties Review
Flashcards
285 cards
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Practice quiz
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Questions
285
Answers
1
Cast post is made from acrylic pattern by lab tech.
False
True
2
Which is an absorbable suture material?
Polyester fiber
Nylon
Silk
Plain catgut
3
Core build up replaces large areas of missing tooth.
True
False
4
Home care instructions for patients with provisional coverage?
If it comes off contact office immediately
No special home care
Brush carefully avoid flossing
Avoid chewing
5
Gathering of info such as perio pocket readings, furactions, mobility, pus and recession
Hygiene exam
Charting and history
Perio exam and charting
Medical hx
6
Most peds offices have an open bay concept.
True
False
7
Prefabricated crowns are available in PFM.
False
True
8
Sticky gum and candy increase chance of carious lesion with ortho treatment
True
False
9
Soft material forms on teeth causing gingival inflammation and peri disease?
Plaque
Fluoride
Calculus
Exudates
10
Indirect restoration, minimally invasive used as a replacement for cogenitally missing lateral?
Crown
3 unit fixed bridge
Maryland bridge
Resin bonded bridge
11
Which services would not be routinely provided in a peds office?
Restorative procedures
Interceptive ortho
Preventative procedures
3rd molar extractions
12
In pulp capping some carious dentin is left in self healing to avoid pulp exposure.
False
True
13
How often does ADA recommend that peds radiographs be preformed for kids with high risk decay?
2years
3months
6months
1yr
14
Dislodgement of clot from socket or infection facilitates what condition?
Severe bleeding
Alveolitis and dry socket
15
Success rate for replantation of perm teeth is hight when tooth is replanted within
30mins
60 mins
4hrs
2hrs
16
Statement best represents an important step in veneer placement
Make a provisional while veneer is being made
Make sure cement is a darker shade
Made color to adjacent teeth
Ensure it is thick enough
17
Type of retraction cord is contraindicated for patients with history of cardiovas. disease.
Infuser is advised
Cord impregnated with epinephrine
Plain cord
Cord is contraindicated
18
Material of choice for an inlay or onlay
Amalgam
Porcelain
Gold
Ceramic
19
Procedure indicated to promote healing of newly erupted perm tooths exposed pulp?
Calcium hydroxide pulpotomy
Formocresol pulpotomy
Direct pulp cap
Pulpectomy
20
Which set of pts does a peds dr. focus on providing oral heathcare?
Infants and children
Children
Children and adolescents
Infant children and adolescents
21
Place retraction cord into sulcus without damaging surrounding tissue.
True
False
22
Oral surgeons must pass a national standard exam given by the American...
Medical Association
Association of Oral and Maxillofacial Surgeons
Board of Oral and Maxillofacial Surgery
Dental Association
23
Instrument used to disengage wire ties when removing arch wires.
Howe pliers
Ligature cutter
Mosquito hemostat
Explorer
24
Endodontic treatment is often referred to as root canal therapy.
False
True
25
Surgical assistant must have knowledge of
Specialized instruments
All of these
Pain control
Patient monitoring
26
What parameters must be met when sizing a stainless steel crown?
Above the plane of occlusion
Fits snugly and has mesial and distal contact
27
Which teeth are most frequently injured in a childs mouth?
Mand. Post.
Max. Ant.
Mand ant.
Max. Post.
28
Malocclusion and deformities causing social stigma and self esteem issues affect
Psychosocial function
Dental disease
Psychofunction and dental disease
Oral function
29
Localized area of pus that originates from infection.
Periodontal disease
Abscess
Cervical burnout
Decay
30
Veneers are reccomended to improve chewing on posterior teeth.
True
False
31
Which info for diagnosis and treatment for a peds patient is not necessary?
Disclose for plaque
Radiographs
Clinical exam
Pocket probing
32
Cast restoration fits within tooth prep like class II and covers a portion of occ. and prox.
Crown
Veneer
Onlay
Inlay
33
Buccal arch wire tubes are located on which bands?
Max centrals
Mand canines
Max 1st molar
Mand premolars
34
Once acrylic impression is on prep it should remain on tooth for..
4-5mins
1-2mins
90 secs
3 mins
35
Smooths root surface by removing abnormal tissue contaminated with calculus
Root planing
Scaling
Curettage
Probing
36
What is class II occlusion?
Max 1st molar betwen mand 2nd premolar and mand 1st molar
Max 1st molar between mand 1st and mand 2nd molar
Normal occlusion
Mesioclusion
37
Localized area of pus?
Pulp fibrosis
Perforation
Abscess
Pulpitis
38
Instruments used primarily in perio procedures
Chisels and hoes
Hoes and files
Scalers and files
Scalers and currettes
39
Why is it necessary to keep prelim impression moist?
Reduces chance of cross contamination
Keep it from distortion
Make it easier to remove acrylic after set
Aid in setting time
40
Item not used in pulpotomy
Slow speed handpiece
High speed handpiece
Rubber dam
ZOE base
41
Laser incisions heal faster than those made with a scalpel.
False
True
42
Type of response to palpation or percussion that indicates inflammation in perio ligament?
Obturation
Positive
Acute
Negative
43
Radiographs excellent for determining bone loss
Ant PA
Post PA
All PAs
Vertical BW
44
Purpose of an ortho positioner?
To move teeth
To retain teeth
To reposition teeth
To act as a permanent retainer
45
Preformed polycarbonate crowns can be used as a mold to fabricate a custom
True
False
46
Instrument used to sever perio ligaments for tooth extraction when implants are indicated.
Orban knife
Laser
Kirkland knife
Periotome
47
What location will the surgical team preform oral surgery procedures?
Hospital operating room and private dental office
General dental office
48
Ligature pigtails are tucked toward the occlusal.
False
True
49
Forceps extraction is preformed on teeth that are affected.
False
True
50
What could occur if undercuts are present with provisional?
Locking on
Occlusal voids
Distortion
Inadequate margins
51
Not a reason to suspect child abuse
Bite marks
Trauma to oral tissue
Bruises in various stages of healing
Shyness
52
Instrument used to measure horizontal and vertical depth of multirooted teeth
Pocket marker
Furcation probe
Perio explorer
Perio probe
53
Where is a stainless steel crown contoured?
Cervical margin
Mesially
Distally
Mesial and distal contacts
54
Instrument designed to split teeth.
Single-bevel mallet
Single-bevel chisel
Bi-bevel chisel
Bi-bevel mallet
55
Which can occur is patient has poor hygiene during ortho tx?
Hypocalcification
All of these
Rampant decay
Periodontal disease
56
During an objective exam dentist will not take into consideration...
Swelling
Presence of decay
Patients pain report
Tooth mobility
57
Indirect restorations
All of these
Are inlays, onlays,crowns, and bridges
Are cast restorations
Are permanent
58
Patient has lesion 2.5 cm on lateral border of tongue. What biopsy is most likely?
Incisional
Exfoliative
None because it would interfere with function
Excisional
59
One disadvantage of custom provisional coverage
Hard to fit prepped tooth
Can be time consuming
Does not look natural
Only used for anterior
60
Retention pins may be necessary to add strength to core build up.
False
True
61
Child is 10yrs old but acts 8yrs old you are decribing his ___age.
Mental
None of these
Emotional
Chronological
62
Ortho problems of most people result from
Environmental influences
Developmental influences
Genetic influences
All of these
63
The fixed bridge is described by number of units involved.
True
False
64
Provisional is trimmed to within __mm of gingival shoulder
1
3
4
2
65
Term for a tooth that has been completely knocked out of mouth?
Extruded
Exfoliated
Avulsed
Luxated
66
Color of a finished veneer can be affected by shade of underlying structure and luting agent
False
True
67
Instrument used to remove dentin, smooth, and increase size of canal.
Broach
Hedstrom file
Pesso file
Reamer file
68
Procedure used to contour and smooth margins of the socket after extraction?
Donning
Alveoplasty
Alveolitis
Exfoliate
69
Removing dental pulp and filling canal with material.
Root canal therapy
Hemisection
Perforation
Pulpotomy
70
Contraindication for provisional
Maintain function
Cover facial of a veneer prep
Keep patient comfortable
Prevent shifting
71
Dentist who specializes in prevention, diagnosis, and tx of pulp and periradicular tissue
Periodontist
Orthodontist
Oral surgeon
Endodontist
72
Which is used to close space between teeth?
Comfort tubing
Elastomeric ligatures
Elastic chains
Wires ties
73
Natural rubber material used to obturate pulpal canl after tx is complete.
Glass ionomer
Hydrogen peroxide
Gutta percha
74
Government agency that needs contacted for suspected chikd abuse?
Child protective services agency
State police
FBI
Welfare office
75
There are at least 2 abutment teeth in a fixed bridge.
True
False
76
The __depth of perio pocket the __the loss of bone therefore the __ severe the perio disease.
Greater;greater;more
Greater;greater;less
Lesser; greater;less
Lesser;lesser;more
77
Purpose of provisional coverage
Restore function
All of these
Keep patient comfortable
Maintain function
78
What holds dental arch wires in place?
Dental cement
Ligature ties and elastomeric ties
79
ADA recognized endodontic as a specialty in 1953
True
False
80
Occurs when injured tooth has been forced inward.
Avulsion
Extrusion
Intrusion
Luxation
81
Which is most commonly used for custom provisional coverage?
Polycarbonate shells
Light cured composite resin
Self curing acrylic resin
Alginate
82
Speparators may be needed before...
Bonded brackets
Ligatures
Arch wires
Bands
83
How does a dentist restore decayed and endodontically treated primary teeth?
Gold crowns
Provisional coverage
Stainless steel crowns
PFM crowns
84
Why is the provisional placed in mouth for the final curing stage?
To avoid excessive shrinkage
To check the margins for accuracy
To ensure correct occlusion
To ensure color and shape match
85
Mouth prop prevents patient from closing the mouth.
False
True
86
Anterior open bite is what condition?
Teeth only contact during mastication
Max and mand ant teeth do not touch
Spaces between teeth in same arch
No posterior teeth
87
Surgical setup cannot be more than ___ before it is no longer sterile.
3hours
30mins
60mins
90mins
88
A mouth prop allows patient to relax and rest jaw muscles.
False
True
89
Placement and removal of gingival retraction cord may be done by EFDA.
True
False
90
Hand operated files are used for cleaning and shaping pulpal canals.
True
False
91
Absorbable sutures should be removed 5-7 days after procedure.
False
True
92
Lasers can be used to remove excess tissues such as in gingivoplasty.
False
True
93
Tests that determine whether the inflammatory process has gone tto periapical tissues are
Chronic and acute
Objective and subjective
Reversible and irreversible
Palpation and percussion
94
What is an advantage of using a patients model to select bands?
Neither
Both
It is more accurate
Patient doesnt need to be present
95
Ortho fixed appliances aka
Separators
Braces
Hawley retainers
Clear aligners
96
Instrument used to cut into soft tissue.
Scalpel
Retractor
Rongeur
Mallet
97
Procedure most commonly used for vital primary teeth.
Pulpectomy
Indirect pulp capping
Pulpotomy
Direct pulp capping
98
Select the Proper Home care instructions for someone with provisional coverage
Leave provisional out of mouth until final is cemented
Eat any foods you feel like
Pop floss out of contact
Pull floss through contact once temp is placed
99
In ortho which radio graph is taken to study and measure skull and growth patterns?
Occlusal
Panoramic
Cephalometric
Bite wing
100
Device used to determine tooth color for ceramic corowns and bridges.
Shade guide
Infuser
Articulator
Chamfer
101
Primary advatage of noneugenol dressing over perio dressing with eugenol?
Only noneugenol dressing protects new tissue
Some pts are allergic to eugenol
Eugenol dressing is supplied in two tubes
Noneugenol can be mixed in advance
102
Prosthodontist has additional 3years of training.
False
True
103
Procedure involving reshaping and contouring gingival tissue
Osseous surgery
Flap surgery
Gingivectomy
Gingivoplasty
104
Which biopsy involves removal of adjacent tissue and entire lesion?
Exfoliative
Incisional
Punch
Excisional
105
When preforming a pulpotomy of a primary tooth what instrument is used to remove pulp tissue?
Explorer
Spoon excavator
Handpiece with #14 round bur
Handpiece with a #169 tapered bur
106
How is a Maryland bridge held on place?
Clasps are attached to adjacent teeth
Winglike extentions are bonded lingually
Abutments are cemented on either side of pontic
Shoulders extend to adjacent teeth
107
One or more missing teeth from same arch, which perm. restoration is recommended?
PFM crown
Denture
Partial denture
Fixed bridge
108
Which symptoms do not identify early perio disease?
Gingival inflammation
Evidence of exudates
Tooth mobility
Gingival bleeding
109
Each file is color coded according to flexibility’.
False
True
110
Instrument used to loosen tooth from socket.
Periosteal elevators
Straight elevators
Forceps
Root tip picks
111
Material used for a core buildup
All of these
Self curing composite
Reinforced glass ionomer
Amalgam
112
Ligatures should be twisted and cut leaving ___mm pigtail?
3-4
1-2
4-5
2-3
113
During eval of facial esthetics why is the face examined?
To examine symmetry
Evaluate mandibular angle
Whether the jaws are proportionate
To evaluate lip protrusion
114
Once root canal therapy is complete what is used to fill canal?
Calcium hydroxide
Paper points
Parachlorophenol
Gutta percha
115
AAPD recommends checkups atleast __ for most children
Annually
Twice a year
Once every 3months
Once every 2yrs
116
How far below the margin of prep should provisional sit?
Should be flush with the margin
Extend 2mm below
Extend 1mm below
Sit 1mm above
117
Patient will need to return daily for a dressing change until socket heals.
False
True
118
Setting time for resin placed in preformed crown
20-29sec
30-59 sec
60-89sec
90-120sec
119
Instrument designed to remove supragingival calculus from posterior teeth
Chisel scaler
Sickle scaler
File
Contra angle sickle scaler
120
Oral surgeons recieve how many extra years training in hospital based residency?
2
4-6
2-3
7
121
Children are separated in individual ops in peds office.
True
False
122
Prefabricated crowns are available in gold.
False
True
123
Role of radiographs in endodontics
Used for diagnosis and during tx to determine file length
Used only during treatment to determine file length
For diagnosis during tx to determine file length + post eval
Used for diagnosis only
124
If tooth has necrotic pulp it will not respond to
Nonvital and vital
Percussion and palpation
Heat and cold stimulus
Reversible and irreversible stimulus
125
Prosthodontist is dedicated to restoring and replacing teeth.
True
False
126
What age is it easier to have a parent be with the child for exam?
1yr
2years
5years
3years
127
Most common type of provisional coverage for crown and bridge preps?
Preformed polymer
Polycarbonate
Custom
Aluminum
128
Which instrument is used to place elastomeric ligature ties?
Ligature tying pliers
Locking hemostats
Scaler
Pigtail explorer
129
Mouth prop is placed close to area being treated.
True
False
130
When is lab fabricated coverage used?
Size and shape of teeth indicate it
Several teeth have been prepped
Pt. wants a custom made
Pt. has allergy to acrylic
131
Crowns made of polycarbonate are used where appearance is important.
False
True
132
Mental age is determined by?
Childs level of emotional maturity
Childs level of intellectual capacity and development
Childs actual age in terms of years and months
Not used to characterize patients less than 18
133
How many drops of liquid is used for liquid or powder acrylic is used?
12
Enough to wet the powder
5
10
134
Which procedure requires pt. to wear a provisional for a longer period of time?
Porcelain veneers
Implants or periodontal therapy
Full gold cast crowns
Porcelain jacket crowns
135
Procedure takes place during 2nd appt. for placement of a cast restoration.
Prelim impressions
Final impressions
Shade selection
Try in
136
Ligature pigtails are tucked towad the gingival.
True
False
137
Women on birth control are more suceptible to dry sockets.
True
False
138
When is stainless steel used for provisional?
For custom fabrication
When strength is needed and primary teeth
139
Process to remove bacteria, necrotic tissue and organic debris from root canal.
Shaping
Opening canal
Obturation
Debridement
140
Why blow light body material before seating with heavy body material?
Makes it easier for op to see margins of prep
Makes it easier to set impression tray
Thins material to allow it to flow better into sulcus
Dries the area
141
Procedure that contours and shapes bone
Bone grafting
Bone augmentation
Ostectomy
Osteoplasty
142
Set time for mixed acrylic before placing it in mouth
20-30sec
4-5mins
2-3mins
1-2mins
143
Post surgical instructions include
No smoking
All of these
No strenuous work
No straws
144
A hospital can grant oral surgeon privileges to operate in a hospital based on which situation
Training
Experience and competency
Surgical team
If they have room
145
Incisional biopsy is indicated when lesion is what size?
Larger than 1cm all around and in area that is functional
Larger than 1mm all around
146
Type of abscess present with pain, tenderness to pressure, pus and swelling?
Irreversible
Reversible
Chronic
Acute
147
Purpose of irrigation solutions in root canal therapy?
All of these
Bleed control
Deodorizing canal
Tissue dissolution
148
Style of hand file w spiral edges, cutting only occurs on pulling, making dentin walls smooth.
Broach
Hedstrom
Reamer
K type
149
How does a surgeon determine level of anesthesia before preforming procedure?
Probes area w explorer
Taps on tooth
Asks if they are numb
It will be numb
150
Cast post is used to add height to core build up.
False
True
151
How to clean under arch wire?
Use a floss threader
Use interproximal brush
Use a waterpik
All of these
152
Which provisional preformed crowns are used on ant. teeth when appearance is important?
Aluminum
Polycarbonate
Nickel chromium
Stainless steel
153
During cementation of bands cement is placed?
Outer surface of bands
In tubes
Inner surface of bands
On tooth
154
Post op instructions for periodontal surgery
All of these
Limit activity
Do not smoke
Use soft toothbrush to clean
155
Core build up provides a larger area of surface retention for cementation.
True
False
156
Which items should be included on the lab prescription?
Date expected back
Type of prosthesis
All of these
Dentist name, liscense #, address and signature
157
Cold packs should be placed __mins on and ___mins off.
10;20
10;10
20;20
20;10
158
What preventative measure is often preformed during a recall appt. and is tx for gingivitis?
Root planning
Coronal polish
Dental prophy
Gingival curettage
159
Forceps extraction is not considered a surgical procedure.
True
False
160
Preformed polycarbonate crowns are thin and not esthetically pleasing.
False
True
161
During crown prep when are provisional crowns tried in for size and shape?
Before
None of these
During
After
162
Sticky candy and gum lodges between bands and causes irritation to gum tissue
False
True
163
Describes purpose of dr. marking pockets of gingival before surgery.
Bleeding pts indicate depth where initial incisions are
Bleeding pts indicate bottom of sulcus
Bleeding pts indicate beginning of gingival grooves
Bleeding pts indicate where sutures need placed
164
If margins of provisional are not adequate?
Add material and reseat
Throw it away
Remove gingival material
Margins are not critical
165
Elastic separators are left in for _ days and steel for _days.
7;7
14;14
14;5
5;14
166
Dry sockets do not hurt and occur immediately after removal.
True
False
167
What is the opening into which a post is cemented?
Keyway slot
Chamfr
Shoulder
Post channel
168
Which instrument removes elastomeric ligature ties?
Bird beak pliers
Ortho scaler
Spoon excavator
Hemostats
169
What gloves are worn when assisting in oral surgery?
Sterile
Latex
Overgloves
Nitrile
170
Forceps extraction is preformed on a tooth with a solid intact crown .
False
True
171
Gingival retraction cord is placed ___the crown prep is done and removed ___ final impression.
After, after
Before, before
Before, after
After,before
172
Thermal sensitivity tests
Can be used on metallic restorations
Sensitivity to heat and cold including dry ice
173
Indications for prescribing fixed prosthodontics
Patient wants it
One or two adjacent teeth are missing
Supportive teeth are healthy
All of these
174
Electric pulp tester is not affected by size of restorations on a tooth
False
True
175
Type of restraint that should be avoided for children with behavior problems
Have parent physically hold them
Sedative drugs
Papoose board
Hold their hand
176
Term describing root canal therapy.
Pulpectomy
Hemisection
Pulpotomy
Apicoectomy
177
Prefabricated crowns can be used for post. and ant. preps
False
True
178
Vitalometer is the most reliable pulp test
True
False
179
Attached to hooks or buttons that are secured on band or backets.
Elastics
Springs
Separators
Tooth positioners
180
What would not cause endodontic failure?
Curved roots
Preforation of canal
Recurrent caries
Accessible canal not being treated
181
Photographs in full direct view include
Intraoral right buccal view
Extraoral profile with right side relaxed
Intraoral view with teeth in occlusion
Extraoral frontal view with lips relaxed
182
Designed to hold open space when a primary has been lost prematurely
Mouth guards
Bite blocks
Bite planes
Space maintainers
183
Example of a fixed prosthesis
Pin retained amalgam
Silver amalgam core
Partial denture
3 unit bridge
184
Core build up supports cast crown.
True
False
185
DA is to motivate and reinforce oral home care.
True
False
186
Sticky candy and gum weakens cement beneath bands cand cause it to loosen.
False
True
187
Prefabricated crowns can be used post. but not ant.
False
True
188
Why is glass ionomer most commonly used in ortho for banding?
Capable of being bonded to surface
Contains fluoride and has adequate strength
189
If a bottle is required at bedtime it should be filled with water.
True
False
190
First instrument used for endodontics
Gutta percha
Endodontic explorer
Paper points
Files
191
Operator removes cord while assistant preps impression materials
True
False
192
By keeping instruments, units, and gloves sterile, team has which type of field?
Disinfected
Sterile
Clean and sterile
Clean
193
DA makes a diagnosis.
True
False
194
Guidelines for establishing trust between dr. and children
Tell show do
Show tell do
Tell do show
Show do tell
195
What does an ortho hook do?
Attaches a bracket to a tooth
Stabilizes the ends of a face bow
Holds arch wire in place
Holds interarch elastics
196
Location of the pulp determines exact location of placement of pins.
True
False
197
Example of pharmcologic restraint
Papoose board
Nitrous oxide and oxygen
Holding childs hand
Mouth prop
198
Retention pins can be used only if tooth has been treated endodontically.
True
False
199
Core build up opaques out discolored tooth structure.
True
False
200
Last instrument used in endodontics
Gutta percha
Glick number 1
Files
Paper points
201
Instrument used to remove a tooth in one piece with crown and root intact.
Surgical currette
Surgical forceps
Periosteal elevator
Rongeur
202
Cervical margins of provisional should have no more than __mm between crown and finishline
.5-1
.1-.5
1-2
.10-1
203
Crown that is covered in a thin layer of porcelain
PFM crown
Porcelain jacket crown
3/4 crown
Onlay
204
Type of extraction requiring addition skill and instrumentation.
Complex
Forceps
Simple
Surgical
205
How many mins is a surgical scrub?
7
14
2
5
206
Advantage of using preformed crowns for provisional
Setting time is less than 90 seconds
Reduces time and comes with anatomic features
207
Purpose of provisional coverage
Provide comfort
Protect margins
All of these
To maintain function
208
Ehat foods should be avoided by patients with fixed appliances?
Popcorn
Sticky food
All of these
Gum
209
Healing process of a dry socket may take up to 2weeks.
True
False
210
Which component of a fixed bridge replaces a missing tooth?
Pontic
Core
Abutment
Unit
211
Which radiograph image helps the dentist determine the length of canal?
Working length
Final fill
Final instrumentation
Initial
212
What guideline should not be used routinely when treating children?
Give rewards for good behavior
Use term child understands
Use tell show do
Tell the child that it will not hurt
213
Tissues that surround the root of the tooth.
Gingival
Periapical
Root canal
Periradicular
214
Primary purpose of pit and fissure sealants?
All of these
To replace the use of topical fluorides
Stop progression of interproximal decay
Prevent decay on recently erupted teeth
215
Instrument used to remove coronal pulp tissue and decay
Barbed broach
K type file
Spoon excavator
Glick number 1
216
Surgical procedure involving removal of bone
Pedicle graft
Osseous surgery
Ostectomy
Osteoplasty
217
General dentist is qualified to preform endodontic treatment.
False
True
218
Occlusal surface of provisional should sit ___the occlusal plane.
Below
Even or above
Above
Even with
219
Type of restoration would be used for full coverage of a primary tooth?
Custom provisional
Amalgam core
Acrylic crown
Stainless steel crown
220
What is overjet?
Coronal length of ant teeth
Horizontal distance between max and mand teeth
Labioversion of mand teeth
Vertical overlap of max and mand teeth
221
Type of matrix used to restore primary teeth where proximal surfaces are missing?
T band
Tofflemire
Cellophane strip
Ivory holder
222
Final step after cementing the provisional crown
Remove gingival cord
Polish provisional
Take PA radiograph
Check occlusion
223
Stainless steel crowns are durable enough to last until perm teth erupt.
True
False
224
Mesiobuccal cusp of max 1st molar occludes between mand 2nd pre molar and mand 1st molar?
Labioversion
Distoclusion
Mesioclusion
Linguoversion
225
How is area under the pontic of a bridge maintained?
Clean under pontic w floss threader
Swish with a mouth rinse
Irrigate with a cannula
Brush with a toothbrush
226
Bleeding after 4-5 hours post perio surgery. What should pt do ?
Apply pressure for 30 mins with gauze
Rinse with water
Call dentist if bleeding persists
Remove and replace gauze every 10 mins
227
Which condition occurs when mandible is located ahead of maxilla?
Overbite
Centric relation
Underbite
Retrusion
228
Type of crown does not cover the entire anatomic portion of the tooth
Full
Gold
PFM
3/4
229
Which component of a fixed bridge anchors to existing teeth?
Unit
Pontic
Abutment
Core
230
After extraction 2x2 gauze is folded and placed to control bleeding, how long is it held there?
2hrs
4hrs
30mins
5mins
231
Instrument designed to clean sub gingival calculus from specific tooth surface
File
Universal curette
Chisel scaler
Gracey curette
232
Peds dentist recommend the 1st appt should take place by
2yrs
4yrs
3yrs
1yr
233
Which causes pulpal nerve damage?
Physical irritation and trauma
Poor nutrition
234
Which teeth are brackets most commonly bonded?
Anterior and premolars
Molars
235
Most common sympton of pulpal damage.
Ecchymosis
Petechiae
Leukoplakia
Sharp pain when occluding
236
Core build up allows crown to be less bulky.
False
True
237
New method of delivering antibiotics for perio treatment
Dissolvable chip
Twice daily rinse
Placement of fiber
Injection of dissolvable material
238
Ortho tooth positioner is not used for what?
Used prior to a retainer
Retain teeth
Separate the teeth
Massage tissue
239
Pulp is irritated and theres pain to thermal stimulus diagnosis of ____ can be made.
Periodontal abscess
Irreversible pulpitis
Periradicular cyst
Reversible pulpitis
240
Treatment used to save pulp and encourage formation of dentin at site of injury.
Pulpotomy
Pulpectomy
Apicoectomy
Pulp capping
241
Polycarbonate crowns are stock crowns and come in limited selection.
False
True
242
Generally if a scalpel is used, sutures are indicated.
True
False
243
Which condition woukd a post and core be recommended before placing crown?
Tooth is vital
Tooth has pin for retention
Tooth has been endodontically treated
Tooth is not restorable
244
What is the purpose of luxating a tooth prior to extraction?
Sever periodontal ligaments
Pull the tissue away from site
Compress bone and enlarge socket so its easy to remove
Ensure dentist can grip it well
245
Cement most commonly used with provisional
Composite resin
Temporary
Polycarboxylate
Glass ionomer
246
Each component of a fixed bridge is
A crown
A unit
A tooth
A core
247
Spray of water at tip of ultrasonic scaler prevent tip from getting hot and flushes debris.
False
True
248
Which level of mental retardation describes IQs ranging from 35-55?
Profound
Moderate
Mild
Severe
249
Tapered finish line of margin at cervical area of tooth prep
Core
Shoulder
Chamfer
Articulator
250
Stainless steel crowns are esthetically acceptable.
True
False
251
Ultrasonic scaler is used to remove only supragingival calculus and stain.
True
False
252
Oral surgery instruments are classified as
Semi and non critical
Critical
Non critical
Semi critical
253
Which step in root canal therapy takes place first?
Estimated working length
Access prep
Debridement
Obturation
254
1st step in prepping for bonding the brackets to teeth
Etch rinse and dry
Polish using fluoride free paste
None of these
Isolate using cotton rolls
255
When is a thermoplastic tray used to fabricate a custom provisional made?
After final impression
After dentist preps
Before dentist preps
Anytime
256
Removes and examines tissue to distinguish malignant from non malignant lesions.
Biopsy and exfoliative cytology
Alveoplasty
257
Used to absorb solutions and dry the canal.
Broaches
Gutta percha
Rubber stops
Paper points
258
Most effective antimicrobial therapy available to reduce plaque and gingivitis
Penicillin
Chlorhexidine
Fluoride
Tetracycline
259
Which symptom is uncommon for pulpitis?
Swelling
Pain during chewing
Fever
Sensitivity to hot and cold
260
A fixed bridge consists of atleast one abutment and one pontic.
True
False
261
Radiograph most commonly exposed in ortho?
Bite wings
Panoramic
FMX
Cephalometric
262
What should a perio exam include?
Medical, dental hx and exam of teeth and tissue
Measuring pockets with pocket marker
263
With direct pulp capping tooth is nonvital and material is placed to protect pulp.
False
True
264
Instrument used after extraction to scrape socket of diseased tissues and abscesses?
Forceps
Root tip picks
Elevators
Surgical curette
265
Instrument used to used surface of bone after undesirable bone has been removed?
Bone file
Currette
Rongeur
Hemostat
266
Instrument calibrated in mm that is used to locate and measure perio pockets.
Perio scaler
Perio probe
Perio explorer
Gracey curette
267
What class occlusion is distoclusion?
II
I
III
IV
268
Stainless steel crowns are indicated when caries are rampant.
False
True
269
Cast post is cemented into pulp canal.
True
False
270
Crowns are available for bridges and single units.
False
True
271
Least useful vitality test
Percussion
Electronic pulp
Heat
Cold
272
Most common method to obtain gingival retraction
Surgical retraction
Chemical retraction
Infuser retraction
Mechanical retraction
273
Which is used to place elastic separators?
Hemostat
Floss and separating pliers
274
Parents should be encouraged to put their kids to bed with milk formula or juice.
False
True
275
Crowns are supplied in many types of materials depending on location.
False
True
276
Normal mobility is recorded at __. Extreme mobility is recorded at __.
0;2
0;3
1;3
1;2
277
To dislocate a tooth from its socket
Alveolitis
Luxate
Exfoliate
Cutterage
278
Appliances recommended for contact sports
Splints
Mouth guards
Retainers
Bite planes
279
What occurs at the final appointment in crown and bridge process?
Writing the lab prescription
Casting try in
Choose a shade
Cementation of a permanent crown
280
Material placed under a porcelain restoration to mask tooth discoloration
Opaque liner
Glass ionomer
Luting agent
Composite resin
281
Stainless steel crowns are used to restore a fractured tooth.
True
False
282
Scraping or cleaning of gingival lining to remove necrotic tissue from pocket wall
Root planning
Scaling
Gingival debridement
Gingival curettage
283
Pulp displays lingering pain and is incapable of heal what tx is warranted?
Indirect pulp therapy
Root canal therapy and extraction
284
Vitalometer is battery operated, can weaken and give false reading.
True
False
285
Which perio surgery does not remove tissue but pushes tissue away from underlying roots?
Flap and incisional surgery
Gingivectomy