ORAL SURGERY - NBDE II EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
What nerve is the most often damaged in TMJ surgery?
- Trigeminal (CNV)
- Facial (CNVII)
-Glossopharyngeal (CN IX)
- Aurticulotemporal (Branch III of CNV)
- Inferior Alveolar (Branch III of CNV) - Answers - Facial (CNVII) passes through the parotid gland
directly under the TMJ
A bite block allows for ____.
- better visualization
- pt discomfort
- cheek retraction
- occlusal alignment
- wider opening - Answers - better visualization
The teeth (most to least) likely to be congenitally missing are ______, ____ , and ______. - Answers -
3M
- Max lateral incisors
- Mand second premolars
You are performing a 5-year follow-up on a 43yr old Pt with an implant. When comparing
radiographs, you estimate that there has been almost 0.1mm loss of bone height around the implant .
What Tx is now indicated?
- Removal of the implant and replacement with a larger size implant
- removal of the implant to allow healing before another one can be placed 4 months later
- Remaking the prosthetic crown because of tangential forces on the implant
- The implant is doing well, this amount of bone loss is considered acceptable? - Answers No Tx
needed, this is acceptable (up to mm)
Bone files work with a ______ stroke. - Answers Pulling stroke
Trigeminal neuralgia, also called tic douloureux, is unilateral trigger point pain that feels
___________. - Answers - Electrical
- sharp
- shooting
- episodic (peroximal )
Allogenic bone is ______. - Answers - harvested from an induvidual and transfered to same species
Trigeminal neuralgia, also called tic douloureux, is treated with _____. - Answers Anticonvulsants
(carbamazePINE) or surgery
Where is the maxillary second molar most likely to be displaced during an extraction?
- Maxillary sinus
- Masseteric space
- Retropharyngeal space
- Infraorbital space
- Submandibular space - Answers - Maxillary sinus
_____ pain is a result or an RCT or an extraction. - Answers Atypical odontalgia pain = due to loss of
neuro pathway (phantom limb pain)
In order (from most to least) list the following by likelihood fo becoming impacted?
- Maxillary IM
- Mand 2M
- Max 3M
- Max Canines
- Maxillary 2M
- Mandibular 3M - Answers #1 Mandibular 3M
#2 Max 3M
#3 Max Canines
#4 Mand/Max 2M
, Generally due to inadequate arch length
Postherpetic neuralgia is caused by ______ infection. - Answers Herpes ZOSTER
What is the luxator of choice for extraction of a single retained root of a mandibular molar?
- cryer elevator
- crane pick
- root tip pick
- straight elevator
- molt periosteal elevator - Answers - cryers elevator ( a special wheel/axel design shape perfect for
single rooted teeth)
Steps of an EXT:
#1 sever PDL
#2 Luxate
#3 Forcepts
Burning mouth syndrome is most associated with what systemic conditions? - Answers - diabetes
- xerostomia
- malnutrition
(Postmenopausal women over 50)
How are elevators gripped? - Answers palm grip
For a migraine what is the TX of choice? - Answers Triptan (selective serotonin receptor agonists)
A #88R/L forcep is used for _____. - Answers Upper cowhorn molars (right and left)
- two beaks for palatal roots
- one beak - buccal furcation
What is the earliest visible sign of a pending syncope episode? - Answers pallor
Which of the following is a soft surgicl suction?
- yankauer
- frazier - Answers yankauer = soft tissue
frazier = hard and soft suction
TRUE/FALSE
The most optional flap is a "double -Y" with a midline incision and anterior and posterior side arms
extending from the ends of the midline incisions. - Answers TRUE
Where is Stenson's duct located? - Answers opposite max 2 molar
Sutures should be placed from ____ to _____.
- keritinize to mucosal tissue
- movable to non-movable tissue
- from buccal to lingual
- from mesial to distal - Answers - movable to non-movable tissue
Which of the following is the MOST common curved blade used in dental surgeries?
- #15
- #10
- #11
- #12 - Answers #12 = curved blade
For surgical extraction of tooth #30, which direction do you section the tooth to facilitate removal of
the roots? - Answers bucco-lingually
demineralized free dried bone is ______ (osteoinductive/osteoconductive). - Answers
osteoconductive and osteoinductive from Bone morphogenic protient that induce bone formation
You are performing a 5-year follow-up on a 43yr old Pt with an implant. the Pt is undergoing an
extraction and discloses that he has a needle anxiety. Shortly after the local anesthetic injection, the
Pt experiences an episode of vasovagal syncope. What should you NOT do?
- Administer O2
- Place in Trendelenburge position
- Reassure Pt
What nerve is the most often damaged in TMJ surgery?
- Trigeminal (CNV)
- Facial (CNVII)
-Glossopharyngeal (CN IX)
- Aurticulotemporal (Branch III of CNV)
- Inferior Alveolar (Branch III of CNV) - Answers - Facial (CNVII) passes through the parotid gland
directly under the TMJ
A bite block allows for ____.
- better visualization
- pt discomfort
- cheek retraction
- occlusal alignment
- wider opening - Answers - better visualization
The teeth (most to least) likely to be congenitally missing are ______, ____ , and ______. - Answers -
3M
- Max lateral incisors
- Mand second premolars
You are performing a 5-year follow-up on a 43yr old Pt with an implant. When comparing
radiographs, you estimate that there has been almost 0.1mm loss of bone height around the implant .
What Tx is now indicated?
- Removal of the implant and replacement with a larger size implant
- removal of the implant to allow healing before another one can be placed 4 months later
- Remaking the prosthetic crown because of tangential forces on the implant
- The implant is doing well, this amount of bone loss is considered acceptable? - Answers No Tx
needed, this is acceptable (up to mm)
Bone files work with a ______ stroke. - Answers Pulling stroke
Trigeminal neuralgia, also called tic douloureux, is unilateral trigger point pain that feels
___________. - Answers - Electrical
- sharp
- shooting
- episodic (peroximal )
Allogenic bone is ______. - Answers - harvested from an induvidual and transfered to same species
Trigeminal neuralgia, also called tic douloureux, is treated with _____. - Answers Anticonvulsants
(carbamazePINE) or surgery
Where is the maxillary second molar most likely to be displaced during an extraction?
- Maxillary sinus
- Masseteric space
- Retropharyngeal space
- Infraorbital space
- Submandibular space - Answers - Maxillary sinus
_____ pain is a result or an RCT or an extraction. - Answers Atypical odontalgia pain = due to loss of
neuro pathway (phantom limb pain)
In order (from most to least) list the following by likelihood fo becoming impacted?
- Maxillary IM
- Mand 2M
- Max 3M
- Max Canines
- Maxillary 2M
- Mandibular 3M - Answers #1 Mandibular 3M
#2 Max 3M
#3 Max Canines
#4 Mand/Max 2M
, Generally due to inadequate arch length
Postherpetic neuralgia is caused by ______ infection. - Answers Herpes ZOSTER
What is the luxator of choice for extraction of a single retained root of a mandibular molar?
- cryer elevator
- crane pick
- root tip pick
- straight elevator
- molt periosteal elevator - Answers - cryers elevator ( a special wheel/axel design shape perfect for
single rooted teeth)
Steps of an EXT:
#1 sever PDL
#2 Luxate
#3 Forcepts
Burning mouth syndrome is most associated with what systemic conditions? - Answers - diabetes
- xerostomia
- malnutrition
(Postmenopausal women over 50)
How are elevators gripped? - Answers palm grip
For a migraine what is the TX of choice? - Answers Triptan (selective serotonin receptor agonists)
A #88R/L forcep is used for _____. - Answers Upper cowhorn molars (right and left)
- two beaks for palatal roots
- one beak - buccal furcation
What is the earliest visible sign of a pending syncope episode? - Answers pallor
Which of the following is a soft surgicl suction?
- yankauer
- frazier - Answers yankauer = soft tissue
frazier = hard and soft suction
TRUE/FALSE
The most optional flap is a "double -Y" with a midline incision and anterior and posterior side arms
extending from the ends of the midline incisions. - Answers TRUE
Where is Stenson's duct located? - Answers opposite max 2 molar
Sutures should be placed from ____ to _____.
- keritinize to mucosal tissue
- movable to non-movable tissue
- from buccal to lingual
- from mesial to distal - Answers - movable to non-movable tissue
Which of the following is the MOST common curved blade used in dental surgeries?
- #15
- #10
- #11
- #12 - Answers #12 = curved blade
For surgical extraction of tooth #30, which direction do you section the tooth to facilitate removal of
the roots? - Answers bucco-lingually
demineralized free dried bone is ______ (osteoinductive/osteoconductive). - Answers
osteoconductive and osteoinductive from Bone morphogenic protient that induce bone formation
You are performing a 5-year follow-up on a 43yr old Pt with an implant. the Pt is undergoing an
extraction and discloses that he has a needle anxiety. Shortly after the local anesthetic injection, the
Pt experiences an episode of vasovagal syncope. What should you NOT do?
- Administer O2
- Place in Trendelenburge position
- Reassure Pt
