CE Marked Conforms to applicable EU medical device requirements FDA Cleared Cleared for use in the United States market ISO 9917-1 Water based dental cements standard
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Dental Consumables · Luting Cement

Ketac Cem Radiopaque Introductory Kit

$45
High radiopacity: excellent radiographic contrast for easy identification of restoration margins and excess cement on X-rays.
Active caries protection: continuous fluoride release helps reduce the risk of secondary caries around restoration margins.
Ultra thin film thickness: less than 25 microns ensures accurate seating of indirect restorations.
Chemical tooth bonding: forms a strong ionic bond directly with enamel and dentin without separate etching or priming.
Top Highlights
Brand
3M ESPE
Product Type
Glass ionomer luting cement
Setting Mechanism
Self curing (acid base)
Film Thickness
Less than 25 microns
Working Time
3 minutes 30 seconds at 23°C
Quality
CE, FDA Cleared, ISO 9917-1
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3M Ketac Cem Radiopaque is a high performance glass ionomer luting cement for permanent cementation of indirect restorations. Its reliable powder and liquid formulation offers excellent chemical adhesion, sustained fluoride release, and outstanding radiopacity for predictable clinical outcomes. Widely used for crowns, bridges, inlays, onlays, orthodontic bands, and endodontic posts, it simplifies restorative procedures with its self curing chemistry, low technique sensitivity, and compatibility with a wide range of restoration materials.

<25 µm film thickness
3:30 min working time at 23°C
7 min setting time at 23°C
24 months shelf life (2 to 25°C)

Key features

1 Self curing technology

Eliminates the need for a curing light while simplifying the cementation process.

2 Strong chemical adhesion

Forms a durable ionic bond directly with natural tooth structure without separate etching or priming.

3 Sustained fluoride release

Provides continuous fluoride release to help protect restoration margins against recurrent decay.

4 Extended working time

Approximately 3 minutes 30 seconds of working time for comfortable placement of complex restorations.

5 Biocompatible formula

Maintains a neutral pH after setting to support pulpal health and patient comfort.

6 High radiopacity

Clear radiographic contrast makes restoration margins and excess cement easy to identify on X-rays.

Product Name 3M Ketac Cem Radiopaque Introductory Kit
Powder 33 g
Liquid 12 mL
Powder / Liquid Ratio 1.8 g / 0.8 mL
Working Time Approximately 3 min 30 sec at 23°C
Setting Time Approximately 7 min at 23°C
Shade Translucent / yellow tint

3M Ketac Cem Radiopaque complies with ISO 9917-1 requirements for water based dental cements, carries CE certification, and FDA clearance. It is manufactured under ISO 13485 certified quality management systems.

CE Marked Conforms to applicable EU medical device requirements
FDA Cleared Cleared for use in the United States market
ISO 9917-1 Water based dental cements standard
ISO 13485 Medical device quality management system
1
Prepare the tooth: Clean and gently dry the prepared tooth surface.
2
Dispense components: Dispense 1.8 g of powder and 0.8 mL of liquid onto the mixing pad.
3
Mix: Mix thoroughly within 30 seconds until a smooth, homogeneous consistency is achieved.
4
Apply to restoration: Apply a thin layer of cement inside the restoration.
5
Seat with pressure: Seat the restoration firmly with sustained pressure.
6
Remove excess cement: Remove excess cement during the gel phase before full set.
7
Allow full set: Keep the restoration undisturbed until final set at approximately 7 minutes.
Important: Temperature note: working time and setting time are measured at 23°C. Warmer temperatures shorten both times; cooler temperatures extend them. Adjust your workflow accordingly.
Ketac Cem
  • 1 × 33 g Powder Bottle
  • 1 × 12 mL Liquid Bottle
  • 1 × Mixing Pad
  • 1 × Green Measuring Spoon
  • 1 × Dropper

Cementation applications

Cast metal inlays and onlays PFM crowns and bridges Zirconia crowns and bridges Alumina crowns Metal crowns and bridges Endodontic posts Orthodontic band cementation Protective cavity lining

Clinical note on all ceramics

Recommended for high strength ceramics: zirconia and alumina Glass ceramics: resin cement generally preferred

Practice settings

General dental practices Prosthodontic clinics Orthodontic practices Endodontic practices
Feature
Ketac Cem (This Product) This product
Resin Cement
Adhesion
Chemical ionic bond to enamel and dentin
Micromechanical after etching and bonding
Fluoride release
Continuous, sustained release
Low to none
Moisture tolerance
Moderate, better than resin
Low, sensitive to contamination
Technique sensitivity
Low, no separate etching or bonding needed
High, multi step protocol required
Film thickness
Less than 25 microns
Variable by product
Radiopacity
High, excellent X-ray contrast
Variable by product
Best for
Crowns, bridges, bands, posts: everyday cementation with fluoride benefit
All ceramics and high esthetic cases needing maximum bond strength

Cement selection depends on restoration material, clinical indication, and patient factors. Always follow the restoration manufacturer’s recommendation for the appropriate luting agent.

Store between 2 and 25°C

Keep in a cool, dry environment. Do not freeze. Improper storage shortens shelf life.

Mix within 30 seconds

Complete the powder and liquid mix within 30 seconds to achieve a uniform consistency before working time begins.

Remove excess in gel phase

Remove excess cement during the gel phase before complete setting to avoid difficult removal after final set.

Close containers immediately

Replace caps on both powder and liquid bottles immediately after dispensing to prevent moisture absorption and evaporation.

Adjust ratio precisely

Use the green measuring spoon and dropper supplied. Deviating from the 1.8 g / 0.8 mL ratio affects working time and final strength.

Verify expiry before use

Shelf life is approximately 24 months. Check the expiry date on the bottle before clinical use.

Professional use only

For qualified dental professionals only. Follow the manufacturer’s instructions for use and applicable local regulations.

Verify local import compliance

Users should confirm compliance with local regulatory standards before clinical use, particularly outside CE and FDA markets.

Read before use: this page is provided for product information only and is not clinical guidance. 3M Ketac Cem Radiopaque must be used by qualified dental professionals in line with the manufacturer’s full instructions for use and all applicable local regulations.

Questions

Frequently Asked Questions

It is a conventional glass ionomer luting cement used for permanent cementation of indirect dental restorations, providing fluoride release and excellent radiographic visibility.
Glass ionomer chemically bonds to enamel and dentin while releasing fluoride, unlike zinc phosphate, which relies only on mechanical retention and provides no fluoride protection.
No. Ketac Cem bonds effectively without conditioning, although a mild polyacrylic acid conditioner may improve adhesion in some cases.
Yes. It provides reliable retention for zirconia, alumina, PFM, and metal restorations.
It is recommended for high strength ceramics such as zirconia and alumina. Glass ceramics generally require resin cement for optimal bonding.
Yes. The material continues releasing fluoride over time, helping protect restoration margins from recurrent decay.
Yes. Ketac Cem is suitable for cementing zirconia or metal implant supported crowns on appropriate abutments.
Approximately 24 months when stored between 2°C and 25°C in a cool, dry environment.

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