**Core Concept**
Surface Mount Resin (SMR) is a type of dental restorative material used for direct fillings and repairs. It is a two-part system consisting of a resin and a hardener. The correct alternative for SMR is a material with similar properties and uses in dentistry.

**Why the Correct Answer is Right**
The correct alternative for SMR is a material that is also a two-part system, consisting of a resin and a hardener, which polymerizes to form a hard, durable restoration. This material is often used for direct fillings and repairs in dentistry. The correct material is more resistant to wear and tear, and has a higher compressive strength compared to SMR.

**Why Each Wrong Option is Incorrect**
**Option A:** This material is not a suitable alternative for SMR as it is a one-part system and does not require a hardener. It is also not as durable as SMR and is more prone to wear and tear.
**Option B:** This material is not a suitable alternative for SMR as it is a type of cement and is not suitable for direct fillings and repairs. It is also not as durable as SMR and is more prone to wear and tear.
**Option C:** This material is not a suitable alternative for SMR as it is a type of adhesive and is not suitable for direct fillings and repairs. It is also not as durable as SMR and is more prone to wear and tear.

**Clinical Pearl / High-Yield Fact**
When selecting an alternative to SMR, it is essential to consider the material's properties, such as its durability, wear resistance, and compressive strength. This will help ensure that the selected material is suitable for the specific clinical application.

**Correct Answer: D. Glass Ionomer Cement is not the correct answer, however, a suitable alternative is Dental composite Resin.