INBDE - Mental Dental Mix - OS, PEDS, ENDO, OP
Oral Surgery: ----------good luck!----------
When a patient has head and neck radiation, what should you administer
prior to and after an extraction? Correct Answer: hyperbaric oxygen
(beneficial for ORNJ, allows more O2 to heal tissues)
What is the first treatment choice for pericoronitis? Correct Answer:
Antibiotics - treat infection first! Then extract (more invasive to do so)
List in order, the top 3 impacted teeth. Correct Answer: mandibular 3rd
molars > max. 3rd molars > max. canines
List in order, the top 3 congenitally missing teeth. Correct Answer: 3rd
molars > max. lateral incisors > mand. 2nd premolars
Describe Winter's Classification for impacted 3rd molars Correct
Answer: It's based on position of long axis of 3rd molar in relation to
the long axis of the 2nd molar (***picture all of the tilted teeth)
Based on Winter's classification, what is the easiest and most difficult
angulation./impaction of 3rd molars to extract? Correct Answer:
mesioangular = easiest
distoangular = most difficult
Describe the Pell and Gregory Classification for impacted third molars.
Correct Answer: Classification is only for lower third molars.
A = same plane as other molars
B = halfway down other molars
C = below cervical line of 2nd molar
Class I = crown anterior to ramus
Class II = half crown within ramus
,Class III = entire crown with ramus
From Pell and Gregory Classification, what is the most difficult to
extract? Correct Answer: C = below cervical line of 2nd molar
Class III = entire crown is within ramus
How do subperiosteal abscess occur? And what is the tx for them?
Correct Answer: Occurs due to fragments of bone remaining below soft
tissue whenever mucoperiosteal flap is elevated for surgical extraction.
Need to irrigate thoroughly to remove fractured tooth/bone spicules
below the soft tissue.
What tooth is most common to have an oro-antral communication with?
Correct Answer: maxillary first molars
Describe the Tx for oro-antral communication. Correct Answer: if
<2mm do nothing
If 2-6mm 4 As & figure-8 suture (antibiotics, analgesics, antihistamines,
afrin nasal spray ((vasoconstrictor)))
True or False. Alveolar Osteitis requires antibiotics for tx. Correct
Answer: FALSE
tx = irrigation and local pain control. Pack dry socket paste that contains
Eugenol (ice pack & H2O salt rinse)
How do you treat nerve injury do to extractions? Where does this
usually happen? And when should a pt. be referred for
microneurosurgical evaluation? Correct Answer: tx: medrol dosepak
(steroid for inflammation
most common with lower thirds & IAN
pts. with numbness lasting more than 4 weeks should be referred
,During extraction, where would the maxillary first or second molar be
displaced? Correct Answer: in the maxillary sinus
During extraction, where would the maxillary third molar be displaced?
Correct Answer: in the intratemporal fossa
During extraction, where would the mandibular third molar be
displaced? Correct Answer: submandibular space
If a tooth gets displaced into the oropharynx, what do you do? Correct
Answer: send to ER for chest and abdominal xrays
The straight elevator (#301) is used for.... Correct Answer: leverage
The pick elevator is used for... Correct Answer: wedging
The triangular elevator (Cryer) is used for... Correct Answer: wheel and
axle; removing a broken root left in socket
What are the numbers for upper and lower extraction forceps? Correct
Answer: #150 = upper
#151 = lower
A = premolars
S = primary
Ash forceps are used for? Correct Answer: premolars
Which blade is most common for intraoral surgery? Correct Answer:
#15
Which blade is most common for the mucogingival surgery? Correct
Answer: #12
, Which blade is used for stab incisions? Correct Answer: #11
What is the point of irrigation during extractions? Correct Answer:
prevents heat generation that can damage the bone
How do you correctly use a bone file? Correct Answer: remove bone
with a pull stroke
In terms of handpieces, it's okay to used an air-driven handpiece to
surgically section tooth or bone to make extraction easier. Correct
Answer: NO!
air can cause emphysema ! Make sure you use a surgical handpiece
(NO AIR; how I am supposed to drill with no air, air)
What is so cool about the needle holder? Correct Answer: It's
crosshatched! really great grip, better than hemostat so that you don't
drop needle
What is the most common and easiest suturing technique? Correct
Answer: simple interrupted
How should you suture? Correct Answer: from movable tissue to non-
movable tissue
What's not so cool about silk sutures? Correct Answer: They have
wicking property that allows bacteria to invade; plaque accumulation.
these need to be removed within a couple days
What is the purpose of suturing? Correct Answer: immobilizing a flap
When you are using an elevator; what's the technique, what's the point?
Correct Answer: causes expansion of bone and tearing of PDL
Oral Surgery: ----------good luck!----------
When a patient has head and neck radiation, what should you administer
prior to and after an extraction? Correct Answer: hyperbaric oxygen
(beneficial for ORNJ, allows more O2 to heal tissues)
What is the first treatment choice for pericoronitis? Correct Answer:
Antibiotics - treat infection first! Then extract (more invasive to do so)
List in order, the top 3 impacted teeth. Correct Answer: mandibular 3rd
molars > max. 3rd molars > max. canines
List in order, the top 3 congenitally missing teeth. Correct Answer: 3rd
molars > max. lateral incisors > mand. 2nd premolars
Describe Winter's Classification for impacted 3rd molars Correct
Answer: It's based on position of long axis of 3rd molar in relation to
the long axis of the 2nd molar (***picture all of the tilted teeth)
Based on Winter's classification, what is the easiest and most difficult
angulation./impaction of 3rd molars to extract? Correct Answer:
mesioangular = easiest
distoangular = most difficult
Describe the Pell and Gregory Classification for impacted third molars.
Correct Answer: Classification is only for lower third molars.
A = same plane as other molars
B = halfway down other molars
C = below cervical line of 2nd molar
Class I = crown anterior to ramus
Class II = half crown within ramus
,Class III = entire crown with ramus
From Pell and Gregory Classification, what is the most difficult to
extract? Correct Answer: C = below cervical line of 2nd molar
Class III = entire crown is within ramus
How do subperiosteal abscess occur? And what is the tx for them?
Correct Answer: Occurs due to fragments of bone remaining below soft
tissue whenever mucoperiosteal flap is elevated for surgical extraction.
Need to irrigate thoroughly to remove fractured tooth/bone spicules
below the soft tissue.
What tooth is most common to have an oro-antral communication with?
Correct Answer: maxillary first molars
Describe the Tx for oro-antral communication. Correct Answer: if
<2mm do nothing
If 2-6mm 4 As & figure-8 suture (antibiotics, analgesics, antihistamines,
afrin nasal spray ((vasoconstrictor)))
True or False. Alveolar Osteitis requires antibiotics for tx. Correct
Answer: FALSE
tx = irrigation and local pain control. Pack dry socket paste that contains
Eugenol (ice pack & H2O salt rinse)
How do you treat nerve injury do to extractions? Where does this
usually happen? And when should a pt. be referred for
microneurosurgical evaluation? Correct Answer: tx: medrol dosepak
(steroid for inflammation
most common with lower thirds & IAN
pts. with numbness lasting more than 4 weeks should be referred
,During extraction, where would the maxillary first or second molar be
displaced? Correct Answer: in the maxillary sinus
During extraction, where would the maxillary third molar be displaced?
Correct Answer: in the intratemporal fossa
During extraction, where would the mandibular third molar be
displaced? Correct Answer: submandibular space
If a tooth gets displaced into the oropharynx, what do you do? Correct
Answer: send to ER for chest and abdominal xrays
The straight elevator (#301) is used for.... Correct Answer: leverage
The pick elevator is used for... Correct Answer: wedging
The triangular elevator (Cryer) is used for... Correct Answer: wheel and
axle; removing a broken root left in socket
What are the numbers for upper and lower extraction forceps? Correct
Answer: #150 = upper
#151 = lower
A = premolars
S = primary
Ash forceps are used for? Correct Answer: premolars
Which blade is most common for intraoral surgery? Correct Answer:
#15
Which blade is most common for the mucogingival surgery? Correct
Answer: #12
, Which blade is used for stab incisions? Correct Answer: #11
What is the point of irrigation during extractions? Correct Answer:
prevents heat generation that can damage the bone
How do you correctly use a bone file? Correct Answer: remove bone
with a pull stroke
In terms of handpieces, it's okay to used an air-driven handpiece to
surgically section tooth or bone to make extraction easier. Correct
Answer: NO!
air can cause emphysema ! Make sure you use a surgical handpiece
(NO AIR; how I am supposed to drill with no air, air)
What is so cool about the needle holder? Correct Answer: It's
crosshatched! really great grip, better than hemostat so that you don't
drop needle
What is the most common and easiest suturing technique? Correct
Answer: simple interrupted
How should you suture? Correct Answer: from movable tissue to non-
movable tissue
What's not so cool about silk sutures? Correct Answer: They have
wicking property that allows bacteria to invade; plaque accumulation.
these need to be removed within a couple days
What is the purpose of suturing? Correct Answer: immobilizing a flap
When you are using an elevator; what's the technique, what's the point?
Correct Answer: causes expansion of bone and tearing of PDL
