Whip Mix 8500 Series User manual

Whip Mix Corporation • 361 Farmington Ave. • P.O. Box 17183 • Louisville, KY 40217-0183 USA
502-637-1451 • 800-626-5651 • Fax [phone] • www.whipmix.com
8500 Series
Articulator System
Model 8500
Instruction Manual

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Model 8500 Instruction Manual
Table of Contents
Introduction ..............................................3
Features .................................................3
8500 Series Articulator System ...............................4
Articulator Adjustments .....................................5
Mounting Casts ...........................................6
Accessories ..............................................8
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Warranty ................................................11
Parts List available at www.whipmix.com

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Model 8500 Instruction Manual
Introduction
Whip Mix articulators are designed to enable the user to quickly and easily mount
casts of a patient’s dentition on a mechanical device that will reproduce their natural
relationship and movements with an acceptable degree of accuracy. The simplicity
and speed with which the necessary registrations are obtained and transferred to
a Whip Mix articulator enable the operator to accomplish corrective and restorative
dentistry with much greater precision than has ever before been possible without the
use of expensive equipment and time consuming techniques.
Being arcon type instruments, Whip Mix articulators are ideal for the study of
occlusion and the movements of the temporomandibular joints. With the condyle
located on the lower member and the guidance on the upper member, Whip Mix
semi-adjustable articulators have become the preferred choice of many teaching
institutions.
Features
The 8500 Series Articulator System Features:
Protrusive Condylar Inclination:
adjustable 0 – 70 degrees
Progressive Side Shift:
adjustable 0 – 40 degrees
Adjustable intercondylar distance:
S (96mm)
M (110mm)
L (124mm)
Spring latch assembly holds articulator in centric position when locked and allows
for easy separation of upper and lower members when released
Non-skid rubber feet for stabilizing articulator when open

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Model 8500 Instruction Manual
8500 Series
Articulator System
Articulator Manipulations
To attach or remove the incisal guide pin,
loosen or tighten the incisal guide pin screw.
The upper and lower frames are made parallel
by aligning the top of the pin boss with the
dark line which completely encircles the pin.
Spring Latch Operation
To engage the spring latch, pull down on the
spring and slide into the latch bracket. To
remove the upper member, slide the spring
latch out of the latch bracket.
Adjust Intercondylar Distance
The lower frame of the articulator has the
letters L, M, and S engraved on each of its top
corners.
Each of the two condylar elements should
slide to one of the settings to correspond with
the patient’s intercondylar width as recorded
on the facebow.

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Model 8500 Instruction Manual
Once the condylar elements are roughly in the
correct setting, lightly tighten the screw in the
back of the slot. Place a rubber band around
the condyle elements to hold them tightly
together.
Set the upper frame of the articulator to
the same width by removing or adding the
correct number of spacers on the shafts of the
condylar guides.
Use two spacers on each shaft for Large, one
on each shaft for Medium, and no spacers
for Small. Make certain that the shafts are
replaced so that the spacers are in tight
contact on both sides between the articulator
frame and the condylar guides.
When spacers are used, always place those
with the beveled sections closest to the
condylar guides with the bevels next to the
guides. Also, be sure that the horizontal line on
each spacer aligns with that on the back of the
condylar guide.
Set the upper member on the lower member
and attach the latch spring. Slide the incisal
pin through the slot of the lower member and
center it. Keeping the incisal pin centered,
tighten the screws in the back of the slot to
secure the condylar element. Remove the
upper member and take off the rubber band.

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Model 8500 Instruction Manual
Articulator Adjustments
Protrusive Condylar Inclination: the angle of
the fossa in relation to the occlusal plane.
The inclination of the protrusive condylar path
can be adjusted by loosening the large black
clamp knob. The protrusive condylar path
inclination scale is on the side of the upper
member and is calibrated in increments of 5
degrees. The protrusive adjustment range is
0 – 70 degrees.
Progressive Side Shift: the path the orbiting
condyle follows on the medial wall of the fossa
as it orbits around the rotating condyle.
To set the progressive side shift, loosen the
side shift guide locking knob and move the
side shift guide until it touches the side of the
condyle element. The scale for the progressive
side shift adjustment is located on top of the
condylar guide and is calibrated in 5 degree
increments. The progressive side shift range is
0 – 40 degrees.
Direct Mounting the
Maxillary Cast
Remove or sufficiently raise the incisal guide
pin so the upper member of the articulator will
be able to rest on the horizontal crossbar of
the facebow.
Note: Set each condylar guide to 30 degrees
on the condylar inclination scale in preparation
for attaching the facebow assembly to the
upper frame of the articulator.
Mounting Casts on the 8500 Series
Articulators
In addition to a facebow record, the only records needed for complete programming
of the 8500 series are:
• Lateral bite records
• Protrusive bite record

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Model 8500 Instruction Manual
Position the mounting pin located on the outer
edge of the upright on the lower member into
the hole on the medial side of each plastic
earpiece of the facebow
Allow the anterior end of the upper member of
the articulator to rest on the horizontal cross
bar of the facebow. Make sure the articulator
with attached facebow is stable. You may want
to use a facebow fork support to stabilize the
maxillary cast during mounting procedures.
Position the maxillary cast into the bite
registration. A fork support may be used to
steady the bite fork.
Mounting the Mandibular Cast
Engage the Spring Latch and secure the upper
member to the lower member.
Set both progressive side shift guides to the
“0” position.
Invert the articulator and make sure the
condylar elements will seat in their most
retruded position in the condylar guides.
Position the mandibular cast on the CR or MI
bite registration.
Complete the mounting of the casts.

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Model 8500 Instruction Manual
Accessories
Whip Mix®Direct Mounting
Facebow Model 8645
This facebow provides a convenient, quick and
accurate method of securing an axis location
without the use of expensive equipment and
time-consuming techniques.
Maxillary Fork Support
The adjustable “T” supports the bitefork and
maxillary cast when mounting the facebow
record on the articulator. Versions available for
both magnetic and screw type mounting.
Dual-End Incisal Pin
Has a chisel end for use with an adjustable
incisal guide table and a spherical end for use
with a flat anterior guide table. Both ends are
calibrated for vertical adjustments.
8575 Remounting Jig
Temporarily replaces the mandibular cast. It
eliminates the need for a second facebow
recording and transfer if remounting finished
dentures. Screw type.

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Model 8500 Instruction Manual
FlexiMount™Universal Mounting
Support
Quickly and easily provide dynamic stability
when mounting the lower cast without glue,
paper clips or accelerants.
Adjustable Guide Table
May be moved anteriorly or posteriorly
which minimizes having to adjust for the “x”
dimension. Incline may be adjusted and locked
from 0 to 40 degrees protrusive. Adjustable
lateral wings establish the degree of incisal
freedom from 0 to 45 degrees.

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Model 8500 Instruction Manual
Care and Maintenance
Your Whip Mix articulator is a sturdily constructed instrument that will provide many
years of service with reasonable care. Both the upper and lower members are made
of cast aluminum. All aluminum parts are anodized to prevent corrosion or staining.
The condyle elements and the condylar guidance assemblies are of stainless steel.
• A thin film of lubricant or silicone spray applied to the surfaces
upon which the condylar elements move will provide a smooth
action of these parts.
• Failing to remove excess stone, or not keeping the articulator clean
may result in corrosion of articulator surfaces.
• Apply silicone spray to articulator frame to prevent plaster or stone
from sticking to surfaces.
Failure to follow these instructions will void your warranty.