3M ESPE Filtek Z250 Mode D'emploi page 2

ENGLISH
General Information
3M™ ESPE™ Filtek™ Z250 Universal Restorative material is a visible-light activated,
radiopaque, restorative composite. It is designed for use in both anterior and posterior
restorations. The filler in Filtek Z250 restorative is zirconia/silica. The inorganic filler
loading is 60% by volume (without silane treatment) with a particle size range of
0.01 to 3.5 µm. Filtek Z250 restorative contains BIS-GMA, UDMA, and BIS-EMA resins.
A dental adhesive, such as manufactured by 3M ESPE, is used to permanently bond the
restoration to the tooth structure. The restorative is available in a variety of shades. It is
packaged in traditional syringes and single-dose capsules.
Indications
Filtek Z250 restorative is indicated for use in:
• Direct anterior and posterior restorations
• Core buildups
• Splinting
• Indirect restorations including inlays, onlays and veneers
Precautionary Information for Patients
This product contains substances that may cause an allergic reaction by skin contact in
certain individuals. Avoid use of this product in patients with known acrylate allergies.
If prolonged contact with oral soft tissue occurs, flush with large amounts of water.
If allergic reaction occurs, seek medical attention as needed, remove the product if
necessary and discontinue future use of the product.
Precautionary Information for Dental Personnel
This product contains substances that may cause an allergic reaction by skin contact
in certain individuals. To reduce the risk of allergic response, minimize exposure to
these materials. In particular, avoid exposure to uncured product. If skin contact occurs,
wash skin with soap and water. Use of protective gloves and a no-touch technique is
recommended. Acrylates may penetrate commonly used gloves. If product contacts
glove, remove and discard glove, wash hands immediately with soap and water and then
re-glove. If allergic reaction occurs, seek medical attention as needed.
3M ESPE MSDS information can be obtained from www.3MESPE.com or contact your
local subsidiary.
Instructions for Use
Preparation
1. Prophy: Teeth should be cleaned with pumice and water to remove surface stains.
2. Shade Selection: Before isolating the tooth, select the appropriate shade(s) of
restorative material. Shade selection accuracy can be enhanced by the following hints.
2.1 Shade: Teeth are not monochromatic. The tooth can be divided into three
regions, each with a characteristic color.
2.1.1 Gingival area: Restorations in the gingival area of the tooth will have
various amounts of yellow.
2.1.2 Body area: Restorations in the body of the tooth may consist of shades of
gray, yellow, or brown.
2.1.3 Incisal area: The incisal edges may contain a blue or gray color.
Additionally, the translucency of this area and the extent of the translucent
portion of the tooth to be restored and neighboring teeth should be
matched.
2.2 Restoration depth: The amount of color a restorative material exhibits is
affected by its thickness. Shade matches should be taken from the portion of the
shade guide most similar to the thickness of the restoration.
2.3 Mock-up: Place the chosen shade of the restorative material on the unetched
tooth. Manipulate the material to approximate the thickness and site of the
restoration. Cure. Evaluate the shade match under different lighting sources.
Remove the restorative material from the unetched tooth with an explorer.
Repeat the process until an acceptable shade match is achieved.
3. Isolation: A rubber dam is the preferred method of isolation. Cotton rolls plus an
evacuator can also be used.
Direct Restorations
1. Cavity Preparation:
1.1 Anterior restorations: Use conventional cavity preparations for all Class III, IV
and Class V restorations.
1.2 Posterior restorations: Prepare the cavity. Line and point angles should be
rounded. No residual amalgam or other base material should be left in the
internal form of the preparation that would interfere with light transmission and
therefore, the hardening of the restorative material.
2. Pulp Protection: If a pulp exposure has occurred and if the situation warrants a direct
pulp capping procedure, use a minimum amount of calcium hydroxide on the exposure
followed by an application of 3M™ ESPE™ Vitrebond™ Light Cure Glass lonomer
Liner/Base or 3M™ ESPE™ Vitrebond™ Plus Light Cure Glass lonomer Liner/Base.
Vitrebond or Vitrebond Plus liner/base may also be used to line areas of deep cavity
excavation. See Vitrebond or Vitrebond Plus liner/base instructions for details.
3. Placement of Matrix:
3.1 Anterior restorations: Mylar strips and crown forms may be used to minimize
the amount of material used.
3.2 Posterior restorations: Place a thin dead-soft metal, or a precontoured-Mylar
or a precontoured-metal matrix band and insert wedges firmly. Burnish the
matrix band to establish proximal contour and contact area. Adapt the band to
seal the gingival area to avoid overhangs.
Note: The matrix may be placed following the enamel etching and adhesive
application steps if preferred.
4. Adhesive System: Follow the manufacturer's instructions, for example 3M ESPE
adhesives, regarding etching, priming, adhesive application and curing.
5. Dispensing the Composite: Follow the directions corresponding to the dispensing
system chosen.
5.1 Syringe: Dispense the necessary amount of restorative material from the
syringe onto the mix pad by turning the handle slowly in a clockwise manner.
To prevent oozing of the restorative material when dispensing is completed, turn
the handle counterclockwise a half turn to stop paste flow. Immediately replace
syringe cap. If not used immediately, the dispensed material should be protected
from light.
5.2 Single-Dose Capsule: Insert capsule into 3M™ ESPE™ Restorative Dispenser.
Refer to separate restorative dispenser instructions for full instructions and
precautions. Extrude restorative directly into cavity.
6. Placement:
6.1 Place and light cure restorative in increments as indicated in Section 7.
6.2 Slightly overfill the cavity to permit extension of composite beyond cavity
margins. Contour and shape with appropriate composite instruments.
6.3 Avoid intense light in the working field.
6.4 Posterior placement hints:
6.4.1 To aid in adaptation, the first 1 mm layer may be placed and adapted to
the proximal box.
6.4.2 A condensing instrument (or similar device) can be used to adapt the
material to all of the internal cavity aspects.
7. Curing: Filtek Z250 restorative is intended to be cured by exposure to a halogen or
LED light with a minimum intensity of 400 mW/cm
each increment by exposing its entire surface to a high intensity visible light source,
such as a 3M ESPE curing light. Hold the light guide tip as close to the restorative
as possible during light exposure. The recommended exposure time and maximum
increment thickness for each shade is shown below.
Shade
A1, A2, A3, A3.5, A4, B1, B2, B3,
C2, D3, I
UD
8. Finishing: Contour restoration surfaces with fine finishing diamonds, burs or stones.
Contour proximal surfaces with 3M™ ESPE™ Sof-Lex™ Finishing Strips.
9. Adjust Occlusion: Check occlusion with a thin articulating paper. Examine centric
and lateral excursion contacts. Carefully adjust occlusion by removing material with a
fine polishing diamond or stone.
10. Polishing: Polish with 3M™ ESPE™ Sof-Lex™ Finishing and Polishing System and
with white stones or rubber points where discs are not suitable.
Indirect Procedure For Inlays, Onlays Or Veneers
1. Dental Operatory Procedure
1.1 Shade selection: Choose the appropriate shade(s) of Filtek Z250 restorative
prior to isolation. If the restoration is of sufficient depth, use of an opaque shade
is recommended. Use of an Incisal shade on the occlusal surface will help to
achieve esthetic appearance.
1.2 Preparation: Prepare the tooth.
1.3 Impressioning: After preparation is complete, make an impression of the
prepared tooth by following the manufacturer's instructions of the impressioning
material chosen. A 3M ESPE impressioning material may be used.
2. Laboratory Procedure
2.1 Pour the impression of the preparation with die stone. Place pins at the
preparation site at this time if a "triple tray" type of impression was used.
2.2 Separate the cast from the impression after 45 to 60 minutes. Place pins in
die and base the cast as for a typical crown and bridge procedure. Mount or
articulate the cast to its counter model to an adequate articulator.
2.3 If a second impression was not sent, pour a second cast using the same
impression registration. This is to be used as a working cast.
2.4 Section out the preparation with a laboratory saw and trim away excess or,
expose the margins so they can be easily worked. Mark the margins with a red
pencil if needed. Add a spacer at this time if one is being used.
2.5 Soak the die in water, then with a brush, apply a very thin coat of separating
medium to the preparation, let it dry somewhat, then add another thin layer.
2.6 Add the first third of composite to the floor of the preparation, stay short of the
margins, and light cure for 20 seconds.
2.7 Add the second third of composite. Allow for the last third (incisal) to include the
contact areas, light cure for 20 seconds.
2
in the 400-500 nm range. Cure
2
Thickness Exposure Time
2.5 mm 20 sec.
2.0 mm 30 sec.