Related Experiment Video
Updated: Jun 25, 2026
07:07
Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice
Published on: January 12, 2017
Adhesion to primary and permanent dentin and a simple model approach.
Deniz C Can-Karabulut1, Firdevs Tulga Oz, Baris Karabulut
1PhD, Department of Operative Dentistry, Faculty of Dentistry, Near East University, Mersin, Turkey.
European Journal of Dentistry
|March 6, 2009
Summary
This study found that permanent dentin exhibits higher shear bond strength than primary dentin when using dentin bonding agents. A statistical model was developed to predict failure modes, highlighting the need for specific protocols for primary teeth.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Adhesive Dentistry
Background:
- Dentin bonding agents are crucial for dental restorations.
- Understanding bond strength and failure modes in primary versus permanent dentin is essential for clinical success.
- Current protocols may not adequately address the unique properties of primary dentin.
Purpose of the Study:
- To compare the shear bond strength of different dentin bonding agents to primary and permanent dentin.
- To analyze and compare the fracture failure modes associated with these agents.
- To develop a predictive statistical model for failure modes in dentin bonding.
Main Methods:
- Human primary and permanent molars were used as dentin substrates.
- Shear bond strength testing of composite to dentin was performed.
- Fracture surfaces were evaluated visually and via stereomicroscopy.
- A statistical model was constructed using the collected data.
Main Results:
- Permanent dentin showed higher shear bond strength compared to primary dentin.
- Total-etch adhesives yielded higher shear bond strength than self-etch adhesives.
- Adhesive failures were more prevalent in primary dentin and with self-etch systems.
- The statistical model confirmed a negative correlation between shear bond strength and adhesive failure probability.
Conclusions:
- Specific application protocols for dentin bonding agents in primary dentin are recommended.
- Advanced statistical and fuzzy models can aid in evaluating failure modes.
- Further research can help elucidate factors causing adhesive failures and improve restoration outcomes.
Related Concept Videos
01:21Tooth Anatomy
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
01:14Adhesion
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow glass...
Capillary action is a result of water’s adhesive tendencies. When a narrow glass...