Who was the first person to introduce cast inlay restoration into dentistry?
**Core Concept:** Cast inlay restoration is a dental procedure where a cast is made of the prepared tooth and then an inlay is fabricated in a dental laboratory and cemented into the prepared tooth. This type of restoration is used to restore large cavities and protect the remaining tooth structure. The correct answer refers to the person who first introduced this method into dentistry.
**Why the Correct Answer is Right:**
The correct answer, **D.** Charles Frederick Cotton, is indeed the person who introduced the concept of cast inlay restoration into dentistry. In the late 19th century, Cotton developed a method for fabricating inlays using a cast of the prepared tooth. This method allowed for a more accurate and durable restoration, as the inlay was custom-made in a dental laboratory and cemented into place.
**Why Each Wrong Option is Incorrect:**
A. **B.** Frederick McLean and William Robinson are incorrect because they were dental practitioners who popularized the use of inlays in the late 19th and early 20th centuries. They did not introduce the concept of casting the prepared tooth before fabricating the inlay.
B. **C.** Edward Angle is incorrect because he was an orthodontist, not a pioneer of cast inlay restorations. Edward Angle is known for the development of the Angle Classification of Angle's Orthodontic Teeth Malalignment classification system.
C. **Charles Frederick Cotton is correct** as mentioned above.
**Clinical Pearl / High-Yield Fact:**
The cast inlay restoration remains a valuable technique in modern dentistry, particularly for treating large cavities that would otherwise lead to tooth fracture or other complications if left untreated. By preserving more of the tooth structure, cast inlays provide a durable and long-lasting solution for tooth restoration.