**Core Concept**
The use of stainless steel crowns in pediatric dentistry is a common practice for restoring primary teeth. The primary goal is to provide a durable, non-toxic, and cost-effective restoration for children's teeth.

**Why the Correct Answer is Right**
Stainless steel crowns are made from a corrosion-resistant, high-strength alloy of iron, chromium, and nickel. They are often used for posterior teeth due to their durability and resistance to wear. The crown is typically cemented onto the tooth using a dental cement, such as zinc phosphate or glass ionomer cement. This provides a strong seal and helps prevent further decay.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because stainless steel crowns are not typically used for anterior teeth due to aesthetic concerns.
**Option B:** Incorrect because gold crowns are more expensive and not typically used for pediatric patients.
**Option C:** Incorrect because ceramic crowns are not suitable for primary teeth due to their brittleness and potential for fracture.

**Clinical Pearl / High-Yield Fact**
Stainless steel crowns are a popular choice in pediatric dentistry due to their durability and low cost. However, they may not be suitable for children with nickel allergies, so it's essential to consider alternative options in these cases.

**Correct Answer: D. Stainless steel crowns are often used for pediatric patients.**