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WorksheetsMcDonald and Avery Chapter 28 and 29
Total questions: 40
Worksheet time: 20mins
What is treatment of choice for an intruded primary tooth?
Extraction
Monitor for re-eruption
Surgical exposure
Orthodontic repositioning
For a partial pulpotomy after trauma, how many mm of coronal pulp tissue should typically be removed?
None – partial pulpotomy is not indicated after trauma
1 – 2 mm
3 – 4 mm
5 – 6 mm
What is treatment of choice for mature permanent tooth intruded 2 mm?
Monitor for re-eruption prior to repositioning surgically if needed
Immediately reposition surgically
Immediately reposition orthodontically
None of the above
Which is the component of triple antibiotic paste that has been associated with staining of the dentin?
Metronidazole
Minocycline
Ciprofloxacin
Clindamycin
All of the following are true about internal resorption EXCEPT:
Caused by odontoblastic action
If detected early, tooth could be retained with endodontic procedures
Destructive process may progress rapidly or slowly
All of the above statements are true
EDTA used in endodontic procedures is what percentage?
7
17
27
37
47
Crowns of teeth that have calcific metamorphosis present as
Normal color
More transparent
More gray in color
More yellow in color
A permanent tooth intruded more than ___ can be repositioned surgically
5mm
6mm
7mm
8mm
9mm
A tooth diagnosed as concussion should have a follow up evaluation at what time point?
2 weeks
4 weeks
6 weeks
8 weeks
3 months
A tooth diagnosed as uncomplicated crown-root fracture without pulp exposure should have a follow up evaluation at what time point?
1 week
2 weeks
4 weeks
6 weeks
8 weeks
After an orbital floor blow out, what type of x-ray shows a cloudy antrum and enophthalmos
Caldwell view
Waters view
Panoramic
Towne’s view
Treatment for which of the follow injuries can be delayed several hours
Alveolar fracture
Avulsion
Intrusion
lateral luxation
When reimplanting a tooth with an open apex with an extraoral dry time of greater than 60 mins, what type of splint should be performed?
flexible splint 2 weeks
flexible splint 4 weeks
flexible splint 6 weeks
flexible splint forever
Which of the following is the least favourable type of healing after root fracture?
healing with calcified tissue
healing with granulation tissue
healing with interposition of connective tissue
healing with interposition of bone and connective tissue
Where should the wing of the appliance used to treat oral burns be thickest
at the commissure
in its occlusocervical dimension on the labial aspect
in its labiolingual dimension on the occlusal aspect
in its occlusocervical dimension on the lingual aspect
Root fractures that occur in which third of the tooth are often repaired without treatment?
Coronal third
Middle third
Apical third
Root fractures always require treatment
Waters view is a radiographic view to help diagnose what?
Basilar skull fracture
Leforte II fracture
Leforte III fracture
Orbital floor blow-out
What treatment is likely most successful for a necrotic tooth with a Blunderbuss canal
Conventional RCT
Apexogenesis
Apexification +RCT
Apical surgery +RCT
What are the components of triple antibiotic paste for Regenerative Endo procedures?
Neomycin, bacitracin, polymyxin
Doxycycline, cefaclor, and minocycline
Metronidazole, ciprofloxacin, minocycline
Metronidazole, Amoxicillin, doxycycline
Which of the following is the antibiotic regimen of choice for and 8 year-old patient following an avulsion injury?
Doxycycline: 4mg/kg/day q12h day 1, then 2.2mg/kg/day q12h day 2-7
PenVK: 20-50mg/kg/day QID for 7 days
PenVK: 9.1-22.7mg/lb/day QID for 7 days
Two of the above
The initial step in managing a suspected cystic lesion is to______
Incise and drain
Excise
refer to oral surgery
aspirate the wound
_____ is the most common site for a mucocele
upper lip
lower lip
buccal vestibule
tongue
Unilateral condylar fractures usually result in a(n) _____ premature bite
ipsilateral
contralateral
bilateral
None of the above
The _____ fracture is the most common skeletal injury that occurs in the pediatric age group that is seen within the hospital
orbital
temporal
maxillary
mandibular
Optimal bone healing with improvement of intrabony defects on second molars adjacent to third molars has been shown to occur when surgery is performed in individuals younger than ____ years of age
23
24
25
26
What is the primary reason for pediatric dentists to refer to a surgeon for EXT of 3rd molars?
Advancement of caries
Limit progression of periodontal disease
To limit patient discomfort
At the request of a patient's parents
To stop the patient's menstrual cycle
Which tooth is most commonly impacted?
maxillary canine
maxillary second premolars
maxillary lateral incisor
maxillary first molar
Regarding 3rd molars, which of these is not accurate?
most optimized healing occurs if wisdom teeth are extracted prior to 25 y/o
3rd molars eruption contributes to anterior crowding of mandibular teeth
Extraction of third molars is the most common surgical procedure in dentistry
Some insurance companies deem extraction of 3rd molars as not medically necessary
people with third molars are not more likely than the general population to create large angry mobs and riots
Non-displaced fractures of the mandibular body may require MMF for ____ weeks
1
3
5
until surgery is performed
If paresthesia has occurred post mandibular trauma, which nerve is likely affected?
Inferior alveolar
Mental
Long buccal
lingual
What is the risk of using a standard air-powered dental drill for surgical extraction?
The RPM of the bur is too high
You cannot set a specific RPM with an air-powered drill
Air vented directly towards the drill-site can cause an air emphysema/embolism
there is no risk
What is the primary reason for a referral of a patient with impacted third molars?
Possible source of pain
Dental crowding
Limit progression of periodontal disease
No one needs more than 28 teeth
By what age is it best to extract 3rd molars?
18
25
30
21
Rank the likeliness of impaction of teeth from most to least
Max. canine, 3rd molars, 2nd mand. molar, 2nd premolar
3rd molar, max. canine, 2nd premolar, 2nd mand. Molar, mand. incisor
3rd molar, mand. Incisor, max. canine, 2nd premolar, 2nd mand. Incisor
Max. canine, mand. Incisors, 3rd molar, 2nd mand. Molar, 2nd premolar
If a patient has a right-sides condylar fracture, what will happen upon opening the jaw?
The jaw will open regularly
The jaw will shift towards the right
The jaw will shift towards the left
The tongue will protrude
Which of the following processes cause internal resorption
Odontoclastic activity
Odontoblastic activity
Osteoclastic activity
Osteoblastic activity
What is true about optimal timing for surgical upright of a second molar?
3/4 of the root should be formed and an open apex
2/3 of the root should be formed and an open apex
the root should be fully formed with a closed apex
the tooth should have a mesial inclination not exceeding 60 degrees and should be either lingually or labially inclined
Bilateral condylar fractures may result in what type of occlusion?
Ipsilateral premature bite
anterior open bite
mandibular prognathism
two of the above
Which flap technique consists of a horizontal crest incision that is made in the edentulous region with two vertical releasing incisions on the mesial and distal aspects of an edentulous region?
Modified Widman flap
Split thickness flap
Envelope flap
apical positioned flap
Exposure of a palatally impacted tooth is frequently accomplished by making a sulcular incision between the palatal tissue and teeth and reflection of a ____ flap
Envelope flap
Partial thickness periodontal flap
Full-thickness mucoperiosteal flap
Modified Widman flap
Flappity-flap flap flap
