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Adhesive luting of new CAD/CAM materials
International Journal of Computerized Dentistry
|April 28, 2015
Summary
Proper pretreatment enhances the bonding of tooth-colored CAD/CAM materials. Ceramic materials generally show superior bond strength compared to hybrid materials, ensuring durability for dental restorations.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Restorative Dentistry
Background:
- Tooth-colored CAD/CAM materials offer aesthetic advantages in dental restorations.
- Evaluating the long-term adhesive performance of these materials is crucial for clinical success.
Purpose of the Study:
- To assess the adhesive bonding of new tooth-colored CAD/CAM materials.
- To compare the effects of various pretreatment protocols and luting agents on bond strength.
Main Methods:
- Four CAD/CAM materials (e.max CAD, Celtra Duo, Lava Ultimate, Enamic) were tested.
- Multiple pretreatment methods (silane, sandblasting, acid etching) were applied.
- Microtensile bond strength (μ-TBS) was measured after thermocycling.
Main Results:
- Pretreatment significantly impacted bonding performance (P < 0.05).
- Ceramic materials demonstrated higher μ-TBS than hybrid materials (P < 0.05).
- Enamic showed better bond strength than Lava Ultimate among hybrid materials.
Conclusions:
- Recommended pretreatment protocols yield encouraging bonding performance for CAD/CAM materials.
- All tested materials exhibited sufficient bond strength for intraoral function.
