OMSITE Exam Actual Questions and
Answers 2026
Where is the most important site for reduction in peds nasal
fracture -
correct answer ✅Septovomeral
Most common complication from UPPP -
correct answer ✅VPI
PCWP indirectly estimates what? -
correct answer ✅Left atrial pressure (AKA LVEDP)
What is the most common outcome of mitral stenosis -
correct answer ✅Pulmonary HTN
Two most common bacteria causing maxillary sinusitis -
correct answer ✅Strep pneumo, H. influenzae
Around a healthy implant/gingival crevice what type of bacteria
predominate -
correct answer ✅Anaerobic gram positive cocci
What is the dominant blood low to the severely atrophic mandible -
correct answer ✅Periosteal (centripetal)
,OMSITE Exam Actual Questions and
Answers 2026
How many days does it take for a free gingival graft to have
adequate blood flow -
correct answer ✅2 (first 48h by plasmic imbibition)
Anti-emetic to avoid in Parkinson patient -
correct answer ✅Reglan-metoclopramide (anti-dopaminergic)
What type of shock is dopamine indicated -
correct answer ✅Cardiogenic
What is the most likely outcome when you leave the cover screw
exposed rather than covered with mucosa -
correct answer ✅Loss of keratinized gingiva
Labs (Ca, Phos, Alk Phos) in osteoporosis patient -
correct answer ✅Ca and alk phos increase, Phos decreased
What lab value is elevated in a patient with a Browns tumor and
hyperparathyroidism -
correct answer ✅Serum calcium (and alk phos)
,OMSITE Exam Actual Questions and
Answers 2026
What do you need to get in osteomyelitis -
correct answer ✅Get a bone culture
How much of lip can you resect and still close primarily -
correct answer ✅Lower: 1/3 Upper: 1/4
What is main difference in bleph/orbit between Asians and
Caucasians -
correct answer ✅No epicanthal fold in Asians- create one with
attachment of tarsal plate and LPS aponeurosis
After third molar extraction patient has loss of taste- what nerve
was disrupted? -
correct answer ✅CN VII (chorda tympani at level of lingual nerve)
Normal nasolabial angle -
correct answer ✅95-110 degrees (F), 90 degrees (M)
Most common complication with DO of the alveolus to gain ridge
height? -
correct answer ✅Inability to maintain vertical height that has been
, OMSITE Exam Actual Questions and
Answers 2026
distracted, 2nd most common = inappropriate vector (segment too
far lingual)
TGF beta is produced by what cells during bone healing? -
correct answer ✅Platelets: day 3-5 PDGF, EGF, TGF-B,
macrophages take over days 5-7
Hemimandibular elongation vs. hypertrophy -
correct answer ✅Hemimandibular elongation: condylar
overgrowth only, will progress to:
Hemimandibular hypertrophy: diffuse enlargement of the condyle
and mandibular body
What is the main disadvantage of a radial forearm free flap -
correct answer ✅Donor site morbidity (tendon exposure + need
for skin graft)
What limits the size of radial forearm free flap -
correct answer ✅Medial (ulnar side) forearm- radial artery
supplies the flap, skin on ulnar surface is supplied by the ulnar
artery, if you get too far from the radial artery the tissue will not
survive. If you dissect medial/ulnar you can compromise blood
supply to the hand
Answers 2026
Where is the most important site for reduction in peds nasal
fracture -
correct answer ✅Septovomeral
Most common complication from UPPP -
correct answer ✅VPI
PCWP indirectly estimates what? -
correct answer ✅Left atrial pressure (AKA LVEDP)
What is the most common outcome of mitral stenosis -
correct answer ✅Pulmonary HTN
Two most common bacteria causing maxillary sinusitis -
correct answer ✅Strep pneumo, H. influenzae
Around a healthy implant/gingival crevice what type of bacteria
predominate -
correct answer ✅Anaerobic gram positive cocci
What is the dominant blood low to the severely atrophic mandible -
correct answer ✅Periosteal (centripetal)
,OMSITE Exam Actual Questions and
Answers 2026
How many days does it take for a free gingival graft to have
adequate blood flow -
correct answer ✅2 (first 48h by plasmic imbibition)
Anti-emetic to avoid in Parkinson patient -
correct answer ✅Reglan-metoclopramide (anti-dopaminergic)
What type of shock is dopamine indicated -
correct answer ✅Cardiogenic
What is the most likely outcome when you leave the cover screw
exposed rather than covered with mucosa -
correct answer ✅Loss of keratinized gingiva
Labs (Ca, Phos, Alk Phos) in osteoporosis patient -
correct answer ✅Ca and alk phos increase, Phos decreased
What lab value is elevated in a patient with a Browns tumor and
hyperparathyroidism -
correct answer ✅Serum calcium (and alk phos)
,OMSITE Exam Actual Questions and
Answers 2026
What do you need to get in osteomyelitis -
correct answer ✅Get a bone culture
How much of lip can you resect and still close primarily -
correct answer ✅Lower: 1/3 Upper: 1/4
What is main difference in bleph/orbit between Asians and
Caucasians -
correct answer ✅No epicanthal fold in Asians- create one with
attachment of tarsal plate and LPS aponeurosis
After third molar extraction patient has loss of taste- what nerve
was disrupted? -
correct answer ✅CN VII (chorda tympani at level of lingual nerve)
Normal nasolabial angle -
correct answer ✅95-110 degrees (F), 90 degrees (M)
Most common complication with DO of the alveolus to gain ridge
height? -
correct answer ✅Inability to maintain vertical height that has been
, OMSITE Exam Actual Questions and
Answers 2026
distracted, 2nd most common = inappropriate vector (segment too
far lingual)
TGF beta is produced by what cells during bone healing? -
correct answer ✅Platelets: day 3-5 PDGF, EGF, TGF-B,
macrophages take over days 5-7
Hemimandibular elongation vs. hypertrophy -
correct answer ✅Hemimandibular elongation: condylar
overgrowth only, will progress to:
Hemimandibular hypertrophy: diffuse enlargement of the condyle
and mandibular body
What is the main disadvantage of a radial forearm free flap -
correct answer ✅Donor site morbidity (tendon exposure + need
for skin graft)
What limits the size of radial forearm free flap -
correct answer ✅Medial (ulnar side) forearm- radial artery
supplies the flap, skin on ulnar surface is supplied by the ulnar
artery, if you get too far from the radial artery the tissue will not
survive. If you dissect medial/ulnar you can compromise blood
supply to the hand
