Q&A STUDY GUIDE UPDATED 2026
◉ . Answer: How are the Trident II HA/PSL manufactured?
◉ All 42-66 EXCEPT Tritanium multihole is 42-72. Answer: What are
the sizes for Trident II shells
◉ How much is a trident II clusterhole HA implant oversized compared
to its labeled size. Answer: .8mm
◉ How much is a Trident II PSL oversized. Answer: 1.8mm
◉ How much are the Tritanium shells oversized. Answer: .5mm
◉ What is the reaming technique for Trident II CLusterhole HA.
Answer: line to line or 1mm under
◉ what is the reaming technique for Trident II PSL Clusterhole HA.
Answer: line to line or 1mm over (lunate region)
, ◉ what is the reaming technique for the tritanium shells. Answer: line to
line or 1mm under
◉ Explain the innerchange locking mechanism- what goes together.
Answer: barbs-scallops, groove-bead, slots-tabs
◉ What feature does the barbs and scallops have. Answer: Rotation
◉ what feature does the grooves and beads have. Answer: keeps liner in-
retention
◉ what feature does the slots and tabs have. Answer: aiming and
removal- MDM- morse taper friction fit
◉ how does locking mechanism engage a poly liner. Answer: barbs and
scallops
◉ how does the locking mechanism engage an MDM liner. Answer:
slots and tabs
◉ where are the indexing scallops on an MDM insert or poly liner.
Answer: little indents on shell
◉ what 3 things are on the shell. Answer: barbs, grooves, slots