INBDE ORAL SURGERY 2025 COMPREHENSIVE EXAM
QUESTIONS WITH DETAILED VERIFIED AND 100%
ACCURATE ANSWERS BRAND NEW EXAM ALREADY
GRADED (A+ PASS)
2. Pell & Gregory - Depth Classification (A, B, C)
Ans✓✓✓ClassDescriptionMemory Tip
A=Crown level with occlusal plane"A = At level
"B=Crown below occlusal but above CEJ of 2nd molar"B = Below
surface
"C=Crown is beneath CEJ of 2nd molar"C = Covered deep"
3. Pell & Gregory - Ramus Classification (I, II, III)
How much room is between 2nd molar and anterior border of the ramus.
Ans✓✓✓I Enough space for 3rd molar"I = Ideal
II Partial space (half covered by ramus)"II = In between
III Fully embedded in ramus (no space)"III = Inside the bone"
Each of the following is true about the connective tissue attachment
surrounding an implant EXCEPT one. Which is the EXCEPTION?
Ans✓✓✓Natural teeth have Sharpey's fibers from the periodontal
ligament that insert directly into the cementum and alveolar bone.
, Dental implants DO NOT have a periodontal ligament.
Instead, implants are surrounded by parallel-oriented collagen fibers that
do not insert into the titanium surface.
Top 3 Reasons to Extract Wisdom Teeth
Impaction Ans✓✓✓Tooth can't fully erupt due to lack of space
Can lead to pain, infection, or damage to nearby teeth
Pericoronitis
Inflammation/infection of gum flap over a partially erupted tooth
Common in lower 3rd molars
Caries or Resorption
Difficult to clean → decay or resorption of adjacent 2nd molar
🅰️ Le Fort I Ans✓✓✓(Horizontal Fracture)
Definition: A horizontal fracture of the maxilla, above the teeth,
separating the upper jaw from the midface.
Does NOT involve the zygomatic arch.
Memory Tip: "Le Fort One is Low."
🅱️ Le Fort II Ans✓✓✓(Pyramidal Fracture)
Definition: A pyramidal-shaped fracture through the nasal bridge,
maxilla, and orbital floor.
Midface mobility but zygoma not involved.
QUESTIONS WITH DETAILED VERIFIED AND 100%
ACCURATE ANSWERS BRAND NEW EXAM ALREADY
GRADED (A+ PASS)
2. Pell & Gregory - Depth Classification (A, B, C)
Ans✓✓✓ClassDescriptionMemory Tip
A=Crown level with occlusal plane"A = At level
"B=Crown below occlusal but above CEJ of 2nd molar"B = Below
surface
"C=Crown is beneath CEJ of 2nd molar"C = Covered deep"
3. Pell & Gregory - Ramus Classification (I, II, III)
How much room is between 2nd molar and anterior border of the ramus.
Ans✓✓✓I Enough space for 3rd molar"I = Ideal
II Partial space (half covered by ramus)"II = In between
III Fully embedded in ramus (no space)"III = Inside the bone"
Each of the following is true about the connective tissue attachment
surrounding an implant EXCEPT one. Which is the EXCEPTION?
Ans✓✓✓Natural teeth have Sharpey's fibers from the periodontal
ligament that insert directly into the cementum and alveolar bone.
, Dental implants DO NOT have a periodontal ligament.
Instead, implants are surrounded by parallel-oriented collagen fibers that
do not insert into the titanium surface.
Top 3 Reasons to Extract Wisdom Teeth
Impaction Ans✓✓✓Tooth can't fully erupt due to lack of space
Can lead to pain, infection, or damage to nearby teeth
Pericoronitis
Inflammation/infection of gum flap over a partially erupted tooth
Common in lower 3rd molars
Caries or Resorption
Difficult to clean → decay or resorption of adjacent 2nd molar
🅰️ Le Fort I Ans✓✓✓(Horizontal Fracture)
Definition: A horizontal fracture of the maxilla, above the teeth,
separating the upper jaw from the midface.
Does NOT involve the zygomatic arch.
Memory Tip: "Le Fort One is Low."
🅱️ Le Fort II Ans✓✓✓(Pyramidal Fracture)
Definition: A pyramidal-shaped fracture through the nasal bridge,
maxilla, and orbital floor.
Midface mobility but zygoma not involved.
