JR 101 PAPER MAIN ALL ANSWERS AND QUESTIONS
SET A+
✔✔t/f: irradiation of UHMWPE helps generate cross linking of the molecules within the
material - ✔✔true
✔✔t/f: the trident II shells all come with solidback and clusterhole options - ✔✔false
✔✔the MDM mobile bearing metal liner is manufactured from: - ✔✔CoCr
✔✔the trident II tritanium multihole shells are only available in sizes 42-66mm - ✔✔false
✔✔the trident II acetabular system has consistent alpha codes for all shell sizes -
✔✔true
✔✔trident II tritanium has a coeffiecient of friction of 1.2 - ✔✔true
✔✔trident II tritanium shells are oversized by approximately (blank)mm of the labeled
size - ✔✔.5mm
✔✔trident II tritanium features a recessed screw position which offers an average screw
angulation of (blank) degrees - ✔✔37
✔✔t/f: the annealing process that we use to manufacture X3 alters the mechanical
strength of the material by changing the crystalline structure within the material -
✔✔false
✔✔mobile bearings will potentially address the issues of stability and longevity by
combining the concept of charnley's low friction arthroplasty and mcfee farrar large
bearing design - ✔✔true
, ✔✔(blank) features a controlled network of pores, designed to mimic the complex
characteristic of cancellous bone, and to promote long-term biological fixation -
✔✔tritanium
✔✔MDM stands for: - ✔✔modular dual mobility
✔✔trident II tritanium shells are offered in the following configuration: - ✔✔multihole,
solidback, clusterhole
✔✔screw hole patterns for trident II shells have been (blank) verified to help achieve
multiple screws in the safe zone on the acetabulum - ✔✔SOMA
✔✔t/f: surgeons can use a screw to increase fixation for a solidback shell - ✔✔false
✔✔the 6.5mm low profile hex screws used with the trident II acetabular shells are
available in lengths from 15-60mm in 5mm increments - ✔✔true
✔✔trident II tritanium shells are indicated for cemented and/or cementless use -
✔✔false
✔✔where do standard tapered wedge stem designs originate from? - ✔✔cemented
mueller straight stem of the 1970's
✔✔t/f: the accolade II femoral stems are intended for cemented and cementless use -
✔✔false
✔✔· Accolade II has two offset options the standard ___ degree neck angle and the
high offset __ degree neck angle - ✔✔132, 127
✔✔what number sequence correctly represents the corresponding neck lengths for
Accolade II? - ✔✔27,30,35,37,40
✔✔t/f: 3-key SOMA designed features of Accolade II are: unique size-specific medial
curvature enhanced proximal-distal proportions optimized stem length with distal lateral
relief - ✔✔true
✔✔is calcar planing required for the insignia stem? - ✔✔yes
✔✔what is the surface coating of the Accolade II? - ✔✔commercially pure titanium
plasma spray purefix HA
✔✔where should the femoral neck resection be in relation to the planned broach
seating height? - ✔✔1-2mm above the planned broach seating height
SET A+
✔✔t/f: irradiation of UHMWPE helps generate cross linking of the molecules within the
material - ✔✔true
✔✔t/f: the trident II shells all come with solidback and clusterhole options - ✔✔false
✔✔the MDM mobile bearing metal liner is manufactured from: - ✔✔CoCr
✔✔the trident II tritanium multihole shells are only available in sizes 42-66mm - ✔✔false
✔✔the trident II acetabular system has consistent alpha codes for all shell sizes -
✔✔true
✔✔trident II tritanium has a coeffiecient of friction of 1.2 - ✔✔true
✔✔trident II tritanium shells are oversized by approximately (blank)mm of the labeled
size - ✔✔.5mm
✔✔trident II tritanium features a recessed screw position which offers an average screw
angulation of (blank) degrees - ✔✔37
✔✔t/f: the annealing process that we use to manufacture X3 alters the mechanical
strength of the material by changing the crystalline structure within the material -
✔✔false
✔✔mobile bearings will potentially address the issues of stability and longevity by
combining the concept of charnley's low friction arthroplasty and mcfee farrar large
bearing design - ✔✔true
, ✔✔(blank) features a controlled network of pores, designed to mimic the complex
characteristic of cancellous bone, and to promote long-term biological fixation -
✔✔tritanium
✔✔MDM stands for: - ✔✔modular dual mobility
✔✔trident II tritanium shells are offered in the following configuration: - ✔✔multihole,
solidback, clusterhole
✔✔screw hole patterns for trident II shells have been (blank) verified to help achieve
multiple screws in the safe zone on the acetabulum - ✔✔SOMA
✔✔t/f: surgeons can use a screw to increase fixation for a solidback shell - ✔✔false
✔✔the 6.5mm low profile hex screws used with the trident II acetabular shells are
available in lengths from 15-60mm in 5mm increments - ✔✔true
✔✔trident II tritanium shells are indicated for cemented and/or cementless use -
✔✔false
✔✔where do standard tapered wedge stem designs originate from? - ✔✔cemented
mueller straight stem of the 1970's
✔✔t/f: the accolade II femoral stems are intended for cemented and cementless use -
✔✔false
✔✔· Accolade II has two offset options the standard ___ degree neck angle and the
high offset __ degree neck angle - ✔✔132, 127
✔✔what number sequence correctly represents the corresponding neck lengths for
Accolade II? - ✔✔27,30,35,37,40
✔✔t/f: 3-key SOMA designed features of Accolade II are: unique size-specific medial
curvature enhanced proximal-distal proportions optimized stem length with distal lateral
relief - ✔✔true
✔✔is calcar planing required for the insignia stem? - ✔✔yes
✔✔what is the surface coating of the Accolade II? - ✔✔commercially pure titanium
plasma spray purefix HA
✔✔where should the femoral neck resection be in relation to the planned broach
seating height? - ✔✔1-2mm above the planned broach seating height
