Which is the cement with adhesive properties?
**Core Concept**
The question is inquiring about a type of dental cement that exhibits adhesive properties, which is crucial in dental restorations for bonding to tooth structure. This concept is related to the principles of dental materials science, specifically the properties of dental cements.
**Why the Correct Answer is Right**
The correct answer is a type of dental cement that contains a hydrophilic resin, which interacts with the tooth structure to form a strong bond. This is achieved through the formation of a hybrid layer, where the resin infiltrates the dentinal tubules and forms a mechanical interlock with the tooth structure. The adhesive properties of this cement are due to the presence of methacrylate monomers, which polymerize in the presence of a catalyst to form a strong, durable bond.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it refers to a type of cement that does not have adhesive properties. It is primarily used for luting purposes, such as cementing crowns and bridges, but does not bond to the tooth structure.
**Option B:** This option is incorrect because it is a type of cement that is used for temporary restorations, not for long-term bonding to tooth structure. It does not contain the necessary components for adhesive properties.
**Option C:** This option is incorrect because it is a type of cement that is used for orthodontic purposes, such as cementing brackets to teeth. While it does have some adhesive properties, it is not the best option for long-term bonding to tooth structure.
**Clinical Pearl / High-Yield Fact**
When choosing a dental cement for adhesive purposes, it's essential to consider the properties of the cement, including its ability to bond to tooth structure, its durability, and its biocompatibility. A good adhesive cement should form a strong, durable bond that can withstand the forces of mastication and last for many years.
**Correct Answer: C. Glass Ionomer Cement.**