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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is a part of Black’s classification of hand instruments?
assistant
The correct answer is  Black among his many contributions to modern dentistry, is credited with the first acceptable nomenclature for and classification of hand instruments.
His classification system enabled both dentists and manufacturers to communicate more clearly and effectively in regard to instrument design and function.

Hand instruments used in the dental operatory may be categorized as:

Cutting (excavators, chisels and others).
Noncutting (amalgam condensers, mirrors, explorers, probes).

Ref: Sturdevant's art and science of operative dentistry. 4th edition page 310