DEX IOT DAY 4 (MIDFOOT & FOREFOOT) EXAM QUESTIONS AND
VERIFIED ANSWERS
#1 reason for hallux valgus recurrence - ---Answers----
Correction without addressing frontal plane
If sesamoid post op position is at #3 or greater... - ---
Answers----40% or greater chance of recurrent hallux valgus
How does MIS address current hallux valgus correction
challenges? - ---Answers----small incisions, capsule is
preserved, early weightbearing, reliable healing, multiplanar
correction
Metrics to remember for 3.5 beveled screw: - ---Answers----
45 degree bevel, 1.4 mm k wire, 2.9 mm drill
Metrics to remember for 4.0 beveled screw: - ---Answers----
45 degree bevel, 1.6 mm k wire, 3.6 mm drill
Lateral structures that lead to subluxation of lateral sesamoid:
- ---Answers----transverse ligament and adductor hallucis
What is a benefit of doing a transverse osteotomy for met
head? - ---Answers----Rotational control/correction
, How often do we recommend an akin? - ---Answers----100%
of the time
What makes the arthrex MIS burr safer for soft tissue? - ---
Answers----low speed high torque
What size MIS burrs for MIS bunion and akin? - ---Answers---
-19.5x2 for transverse osteotomy, 13x2 for akin
Standard console setting for MIS burr: - ---Answers----6,000
rpm, 20% irrigation
Why are beveled ft screws non-compressive? - ---Answers--
--to maintain length in hallux valgus correction
What parallel guide options do we have? - ---Answers----25
degrees and 30 degrees
Purpose of lapidus reduction clamp - ---Answers----To
correct wide IMAs and pronation
What causes crossover toe? - ---Answers----Extensor
tendons pull toe medially
Primary applications for snap off comp ft pins - ---Answers--
--Midfoot fusion, ankle fx, medial mal, triple arthrodesis, MTP,
akin, elbox fx, patella fx
VERIFIED ANSWERS
#1 reason for hallux valgus recurrence - ---Answers----
Correction without addressing frontal plane
If sesamoid post op position is at #3 or greater... - ---
Answers----40% or greater chance of recurrent hallux valgus
How does MIS address current hallux valgus correction
challenges? - ---Answers----small incisions, capsule is
preserved, early weightbearing, reliable healing, multiplanar
correction
Metrics to remember for 3.5 beveled screw: - ---Answers----
45 degree bevel, 1.4 mm k wire, 2.9 mm drill
Metrics to remember for 4.0 beveled screw: - ---Answers----
45 degree bevel, 1.6 mm k wire, 3.6 mm drill
Lateral structures that lead to subluxation of lateral sesamoid:
- ---Answers----transverse ligament and adductor hallucis
What is a benefit of doing a transverse osteotomy for met
head? - ---Answers----Rotational control/correction
, How often do we recommend an akin? - ---Answers----100%
of the time
What makes the arthrex MIS burr safer for soft tissue? - ---
Answers----low speed high torque
What size MIS burrs for MIS bunion and akin? - ---Answers---
-19.5x2 for transverse osteotomy, 13x2 for akin
Standard console setting for MIS burr: - ---Answers----6,000
rpm, 20% irrigation
Why are beveled ft screws non-compressive? - ---Answers--
--to maintain length in hallux valgus correction
What parallel guide options do we have? - ---Answers----25
degrees and 30 degrees
Purpose of lapidus reduction clamp - ---Answers----To
correct wide IMAs and pronation
What causes crossover toe? - ---Answers----Extensor
tendons pull toe medially
Primary applications for snap off comp ft pins - ---Answers--
--Midfoot fusion, ankle fx, medial mal, triple arthrodesis, MTP,
akin, elbox fx, patella fx
