vita Easyshade User manual

3 D -Master
Vita System
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Operating manual
Date of issue: 5-04
VITA Easyshade®

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Table of Contents
1. Getting started ................................................................................................................................. 2
1.1 Installation of the unit.....................................................................................................................2
1.2 Power-up ..................................................................................................................................... 2
1.3 Selecting Power-on defaults ........................................................................................................ 3
1.4 Applying an Infection Control Shield ............................................................................................ 6
2. Calibrating Easyshade .................................................................................................................... 9
3. Measuring a tooth .......................................................................................................................... 12
3.1 Measuring the base shade of a tooth ........................................................................................ 12
3.1.1 Normal measurement mode ................................................................................................... 13
3.1.2 Measurement averaging mode ............................................................................................... 15
3.2 Measuring tooth areas ............................................................................................................... 16
4. Verifying the shade accuracy of a restoration ............................................................................ 18
5. Measuring a shade tab ................................................................................................................. 22
6. Operating in extended mode .......................................................................................................... 23
6.1 Extended color information for a tooth ....................................................................................... 23
6.2 Extended color information for a restoration .............................................................................. 28
7. Care and maintenance .................................................................................................................. 29
7.1 Packing for transport ................................................................................................................. 29
8. Cleaning and disinfecting ............................................................................................................. 29
9. Appendix ........................................................................................................................................ 30
9.1 Self test ...................................................................................................................................... 30
9.2 Troubleshooting ......................................................................................................................... 32
9.3 Changing the lamp ..................................................................................................................... 34
9.4 Replacing the calibration block .................................................................................................. 34
9.5 Color measurement overview .................................................................................................... 36
9.6 Interpolated 3D-Master shades .................................................................................................. 41
9.7 Technical specifications ............................................................................................................. 42
9.8 Patents and trademarks ............................................................................................................. 42
9.9 Glossary .................................................................................................................................... 43
9.10 Warranty .................................................................................................................................. 44
Symbol Definitions
Attention, consult accompanying documents
Single use
Power ON / Power Off (push-push)

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1. Getting started
VITA Easyshade®provides accurate shade determination for natural and bleached teeth and a variety of
restorations. Easyshade displays its output on a touch-screen that is also used to make menu selections and
enter data.
1.1 Installation of the unit
1. Open the Easysshade shipping container and remove the top layer of foam packing material.
2. Remove the Easyshade base unit and hand piece and remove the protective plastic bags from those
components.
3. Set the base unit down on a flat surface and rest the hand piece in the cradle.
4. Plug the Power Cable into the rear of the left side of the instrument and into an appropriate power outlet.
Easyshade is now ready to power up. Refer to page 1 “Quick Start Guide“ ot turn to section 1, “Getting
started“, page 2.
1.2 Power-up
Turn on the Easyshade by pressing the power switch located on the left front of the unit. The fan will turn on
and the screen will display the Easyshade logo.
In the above screen, the three characters following “Release” (shown as underscores) identify the Software
version. The second three characters (also shown as underscores) identify the Shade Table version. During
lamp warm-up, the following screen is displayed:
When lamp warm-up is complete, the following screen is displayed:

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Easyshade is now ready to be calibrated. Calibration is required each time you power-up the unit, or each time
you apply an Infection Control Shield, but not required between each measurement.
CAUTION: Do not calibrate Easyshade with an Infection Control Shield that has been in contact with a patient.
A new Infection Control Shield must be applied before calibration. If a used Infection Control Shield makes
contact with the calibration block, then the calibration block and retainer must be removed from the
base unit for cleaning, disinfecting and sterilizing as described in Section 8.
1.3 Selecting Power-on Defaults
When the Easyshade is warming up, the bottom of the screen displays a “Presets” selection box. Touching
“Presets” allows the Easyshade’s default mode of operation to be selected and saved. Once the default mode
of operation is selected, it should rarely if ever needed to be changed.
Touching “Presets” on the warm-up or calibration screen causes display of the following screen:
This screen allows adjustment of the volume of the warning signals (“Beeps”), the brightness of the display
screen, and the timeout of the light source by touching the decrease (“<<”) or increase (“>>”) indicators.
Touching “Exit & Save” causes the changes to the settings (if any) to be saved as the power-on defaults. The
factory default settings are volume and brightness at maximum and Lamp Timeout at 5 minutes. Touching
“Next” causes the following screen to be displayed:

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Touching the Next (“►”) or Previous (“◄”) indicators causes the display to scroll through “Tooth single” (the
measurement of the base shade of a tooth), “Tooth areas” (the measurement of the cervical, middle and incisal
areas of a tooth), or “Restoration” (verification of the accuracy of a restoration). The factory default mode of
operation is “Tooth single”.
Touching the Next (“►”) or Previous indicators in the second bar causes the display to scroll through "Normal
Mode Only (displays the results of a single measurement of a tooth) "Standard/Average" (displays the result of
the a single measurement of a tooth or the average of several measurements). The factory default mode is
"Normal Mode Only".
Touching the Next (“►”) or Previous indicators in the third bar causes the display to scroll through "3D &
Classical" (displays the result of a single measurement of a tooth in VITA 3D-Master or VITA Classical shades)
and "3D-Master only" (only 3D-Master shades). The factory default mode is "3D-Master only".
Touching “Back” causes the volume/brightness adjustment screen to be displayed. Touching “Exit & Save”
causes the changes to the settings (if any) to be saved. Touching "Next" causes the following screen to be
displayed:
Touching the Next (“►”) or Previous indicators in the upper bar (“◄”) causes the screen to scroll through
"Translucency On" (indicates the translucency in the middle third of the tooth compared to an equivalent shade
sample) or "Translucency Off". The factory default mode is "Translucency On".
Touching the Next (“►”) or Previous (“◄”) indicators in the third bar causes the screen to scroll through "Show
LCH OFF" (do not display detailed color information for a measurement) and "Show LCH ON" (for displaying the
results of a measurement as L (lightness), C (chroma) and H (hue)). The factory default mode is "Show LCH
OFF".

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Touching the Next (“►”) or Previous (“◄”) indicators on the third bar causes the display to scroll through
“Incisal ceramic” (for displaying, during the measurement of tooth areas, the result of the incisal measurement
as a VITA ceramic enamel shade, EN1, EN2 or EN3) and “Incisal shade” (for displaying - during the
measurement of tooth areas - the result of the incisal measurement as a VITA shade). The factory default is
“Incisal ceramic”. These settings are only relevant for measuring tooth areas.
Touching “Back” causes the “Tooth Single” screen to be displayed. Touching “Exit & Save” causes the changes
to the settings (if any) to be saved as the power-on defaults. Touching “Next” causes the following screen to be
displayed:
Touching the top bar, “Install Cal Block”, allows a new calibration block to be installed on the Easyshade. This
will only be required if the calibration block that was shipped with the instrument is lost or damaged. Refer to
Section 9.4 in the Appendix, “Replacing the Calibration Block”.
Touching the second bar, “Self Test”, initiates an interactive test of Easyshade that is described in the Appendix
in Section 9.1.
Touching “Back” causes the “Translucency” screen to be displayed. Touching “Exit & Save” causes the changes
to the settings (if any) to be saved as the power-on defaults.
Note: If you have made changes to Easyshade settings on any of the Preset menus that you don’t want to save, you may abort the
changes by turning off Easyshade. Throughout the Presets menus, and particularly if entering Calibration Block data, it may
be easier to activate touch-screen areas by using a Q-Tip rather than a finger tip.

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1.4 Applying an Infection Control Shield
It is important to properly clean and disinfect Easyshade prior to patient use and to use Easyshade Infection
Control Shields to prevent patient cross-contamination. The Infection Control Shields also must be used to
protect the optics in the probe tip from damage and provide a non-slip surface when contacting the tooth to help
assure accurate shade determination results.
These non-sterile shields are made of polyurethane, are non-allergenic, and are for single patient use only. A
box of 40 shields is shipped with Easyshade. Infection Control Shields may be re-ordered from VITA in
quantities of 4 boxes of 40 shields (VITA Order No. D39003). It is recommended that you wear gloves while
applying the Infection Control Shield.
1. Remove a Shield from the package and hold the shield at
the top (the wide end).
2. Peel the corner of the cover film (as shown) from the
pocket of the Infection Control Shield. To make this
process easier, bend the Infection Control Shield slightly
away from the corner that you are beginning to peel.
3. Continue to peel the cover film completely off of the
Infection Control Shield pocket.

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4. Graps the bottom corner of the Infection Control
Shield and begin to peel it from the cover film.
5. Continue to peel the Infection Control Shield from the cover
film until it is completely removed.
6. Open the pocket of the Infection Control Shield (this is
easier if the Infection Control Shield is stretched slightly)
and insert the tip of the probe.
7. Pull back on the Infection Control Shield until the probe tip
is centered in the bottom of the pocket.

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8. Continue to pull back on the Infection Control Shield,
stretching the shield at least 2-3 cm beyond the retainer at
the top of the probe. The material can withstand
considerable streching. It is important to have a uniformly
tight stretch and to avoid unevenness over the probe tip.
9. When the Infection Control Shield is stretched to its
maximum, pull the shield down over the retainer at the top
of the probe; then release the shield to secure it in place,
hooked on the retainer.
10. Verify that the Shield is stretched uniformly and flatly over
the face of the probe tip and that the shield has not torn
during the application.
11. The shield should remain in place for all
measurements with the same patient. After single-patient
usage the shield should be properly disposed.
The photo shows an improperly positioned Infection Control
Shield. The shield is not stretched uniformly over the tip of the
probe. This non-uniform distribution of material over the probe tip
may cause inaccurate shade measurement.

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2. Calibrating Easyshade
Note: Easyshade is calibrated at the factory for the Calibration Block that is shipped with the instrument.
If you own more than one Easyshade, care must be taken not to switch Calibration Blocks between
Easyshade units, which would compromise the accuracy of measurements. The last three digits of the
Easyshade serial number are engraved in the side of the calibration block for identification.
After Easyshade has been powered-on and the lamp has warmed up, the following screen is displayed to
instruct the user to calibrate Easyshade before making a measurement.
1. Remove Easyshade from the cradle.
2. Apply an Infection Control Shield as described in
section 1.3.
3. Grasp the Hand Piece and insert the probe tip
into the calibration port aperture so that is makes
perpendicular contact with the calibration block.
Note: When the probe is perfectly vertical, it is not perpendicular to the calibration block. To be
perpendicular to the calibration block, the probe must be tipped slightly toward the front of the
instrument.
Also, to assure that the Infection Control Shield fits properly into the calibration block aperture, the
Hand Piece must be held straight in front of the Easyshade for calibration. The above photo shows
the Hand Piece turned 30° to the right, which is the maximum permissible angular deviation (right or
left) for proper Easyshade calibration.

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4. Press the probe tip downward onto the calibration block, maintaining 90° contact between the probe tip
and the calibration block with pressure sufficient to activate the Calibration switch. Calibration begins
when the screen below is displayed:
Hold the probe tip steadily in place until the Easyshade emits a single “Beep” and displays the following screen,
which indicates that a successful calibration has been made:
Caution: If the probe is lifted off of the calibration block too soon, before the "Beep" is heard, the calibration
measurement may be compromised and should be repeated as indicated by the following screen:

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If Easyshade is set to measure a single area on a tooth and “Normal Mode Only” has been selected in the
Preset menus, once the probe has been lifted out of the calibration port and the instrument is successfully
calibrated, the following screen is displayed:
If Easyshade is set to measure a single area on a tooth and “Normal or Average” has been selected in the
Preset menus, then the following screen is displayed:
To display shade matching results based on the average of a series of measurements of a tooth, touch
“Average OFF” on the above screen to change it to “Average ON”. Measurement averaging is described in
section 3.1.2.

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3. Measuring of a tooth
Easyshade may be used to measure a single area on a tooth (referred to as “Tooth Single”) or to measure the
cervical, middle, and incisal areas (referred to as “Tooth Areas”) as described in the following sections.
Note: Prior to measuring a tooth, an Infection Control Shield must be applied to the Easyshade probe and
Easyshade must be calibrated according to the procedure in section 2.
To make accurate measurements with Easyshade, the probe tip must be placed perpendicular and flush to the
tooth surface. The figure below illustrates correct and incorrect placement of the probe tip. (Note: for purposes
of illustration, the probe tip is shown without an Infection Control Shield.)
Correct placement: (probe tip perpendicular
and flush on tooth surface)
Incorrect placement: (probe tip not flush on
surface of tooth)
Incorrect incisal placement:
(probe tip must be have a minimum distance of
2 mm to the incisal edge)
Incorrect cervical placement:
(probe tip too close to gingival tissue.
Maintain minimum distance of 2 mm to tissue margin.)
3.1 Measuring the Base Shade of a Tooth
The base shade of a tooth may be determined in a single measurement, or it may be determined as the average
of several measurements. Both modes of operation are discussed in the following Sections.
In all modes it should be verified whether the tooth shade displayed matches the Toothguide 3D-MASTER or
VITAPAN classical shade sample.
Should a shade deviation be found, the measurement is repeated in the "Average" mode (see page 15,
Measurement Averaging Mode). If this is done and the shade you have found is not identical with the values
measured, use the shade determined with the Toothguide since the patient is also only able to use his eyes to
evaluate the correctness of the shade of his restoration.

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3.1.1 Normal Measurement Mode
To measure the base shade of a tooth, select “Tooth single” on the measurement style menu, shown on the
following screen, on which Averaging is available but is not active.
Note: Touching the Next (“►”) or Previous (“◄”) indicators causes the display to scroll through “Tooth single”,
“Tooth areas”, “Restoration” and “Shade Tab”. These selections do not affect the power-on defaults.)
Note: It is recommended to clean and remove any stains from the surface of a tooth prior to measurement.
It may be necessary to wipe the tooth with gauze to prevent the tip from sliding.
To measure a tooth:
1. Hold the probe tip steay at 90° to the surface of the
tooth.
2. While holding the probe tip steadily against the tooth,
press the Measurement Button on the Hand Piece until
the Easyshade beeps to indicate completion of the
measurement, which may be 1 to 2 seconds after the
light turns off.
3. Easyshade will display the results of the measurement.
Note: If the probe tip is moved off of the tooth prior to the Easyshade sounding a beep, an error message or
an erroneous measurement may be displayed and the measurement may need to be repeated.

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On the following screen, Easyshade shows that the nearest Classical shade is A1 and that the nearest
interpolated 3D-Master shade is 1M1.5. Touching either the Classical or the 3D-Master measurement causes
the display of additional information on the positioning of the measurement in color space. This information may
be of use to examiners having knowledge of color theory. Refer to Section 6, “Operating in Extended Mode”.
In some cases, Easyshade will display one or two alternate Classical shades in a smaller font below the nearest
Classical shade, which is displayed in a larger font. Below are two such examples:
The above example shows that the nearest Classical shade is A3, but that the measurement is actually between
A3 and A3.5. The example below shows that the nearest Classical shade is A2, but that the measurement is
actually between A2, B3 and A3. B3 and A3 are very close neighbors in the VITA Classical color space.

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3.1.2 Measurement Averaging Mode
The Measurement Averaging Mode is intended to be used for teeth that have regions of many different colors,
such as teeth with enamel hypoplasia, tetracycline staining, or a blotchy appearance. Measurement Averaging
is available for making single-location measurements of teeth or restorations, and is not available for measuring
tooth areas. The Measurement Averaging mode effectively increases the measurement area of the Easyshade
probe by averaging a range of colors over a measurement area and determining an average shade. To display
the average result of a series of measurements of the same tooth, Averaging must be made available in the
Presets menu, as described in Section 1.2, and turned ON as shown in the following display:
In this mode of operation, the tooth may be measured several times. Each time the tooth is measured, the
shade is displayed along with the number of measurements that have been averaged. It is recommended that
the tooth is measured a minimum of three times and that the tooth is measured until two successive
measurements report the same shade.
NOTE: When working in the Averaging mode, it is important to return to the Menu after completing the
measurement of a tooth to reset the Average counter and prevent more than one tooth from being
averaged.

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3.2 Measuring Tooth Areas
To measure the cervical, middle and incisal areas of a tooth, select “Tooth areas” on the measurement style
menu, shown on the following screen. (Note: Touching the Next (“►”) or Previous (“◄”) indicators causes the
display to scroll through “Tooth single”, “Tooth areas”, “Restoration” and “Shade Tab”. These selections do not
affect the power-on defaults.)
Note: When measuring the cervical area of the tooth, make sure that the probe tip is in contact with the tooth at
least 2.0 mm from the gingival tissue. When measuring the incisal edge of the tooth, make sure that the
probe tip is at least 2.0 mm from the edge of the tooth.
Measuring the cervical area of the tooth causes the result to be displayed as follows:
Note: If a tooth area needs to be re-measured, touch the tooth area on the graphical tooth map and the solid
circle target will return to that site, allowing the new measurement to be made. The measurement results
from the other two areas will remain unchanged.
On the above screen, the “OK” indicates that the cervical area has been measured. The solid circle target
indicates that the middle 1/3 of the tooth is the next area to be measured. Measuring the middle of the tooth
causes the result to be displayed as follows:

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The solid circle target now is prompting the measurement of the incisal area of the tooth. Upon completion of a
successful measurement, the following screen is displayed:
The measurement of tooth areas is now complete. Touching any of the Classical or the 3D-Master
measurements causes the display of additional information on the positioning of the measurement in color
space. This information may be of use to examiners having knowledge of color theory. Refer to Section 6,
“Operating in Extended Mode”.
The above screen shows the shade of the incisal edge reported as a VITA ceramic enamel shade. Alternatively,
depending on the selection of the Preset menu described in Section 1, the incisal edge may be reported as a
VITA shade, as shown below:

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4. Verifying the Shade Accuracy of a Restoration
Note: To verify a restoration, only the base shade of the restoration is measured in the middle 1/3 of the
restoration. A minimum thickness of 0.8 mm of ceramic material must be present to assure accuracy of
the verification. A very translucent all-ceramic restoration, such as a Spinell veneer may produce
inaccurate readings.
Easyshade allows dental technicians and dentists to verify that a restoration shade is an acceptable match to
the shade measured at the natural tooth. To verify a restoration, select “Restoration” on the measurement style
menu, shown on the following screen. (Note: Touching the Next (“►”) or Previous (“◄”) indicators causes the
display to scroll through “Tooth single”, “Tooth areas”, “Restoration” and “Shade Tab”. These selections do not
affect the power-on defaults.)
The first step in verifying a restoration is selecting the prescribed intra-oral shade. Touching the “Shade”
selection area of the screen causes the display of the following screen:
This screen allows the selection of VITA 3D-Master shades and interpolated shades by touching the screen and
moving your finger either to a 3D-Master shade or over a point midway between two or four shades.

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To use this screen, first touch one of the three boxes in the top left of the screen to select a hue (L, M or R). In
the above example, the M hue has been selected. Then touch the screen at a point that corresponds to the
target 3D-Master shade. Removing the finger from the touch screen will select that shade. In the above
example, the selected position is midway between value groups 2 and 3, yielding a 2.5 value group. Similarly,
the selected chroma position is midway between 2 and 3, yielding a 2.5 chroma.
Touching the “Classical” selection area at the top-right of this screen causes the display of the following screen,
from which a Classical shade may be selected. Similarly, touching “3D-Master” causes the selection panel for
3D shades to be displayed.
If the shade to be verified has been selected (in this case 2.5M2.5), the following screen is displayed:
Hold the tip of the probe to the middle 1/3 of the restoration and press the hand piece switch; the following
screen will be displayed: