<prompt> Which of the following is a part of Blacks classification of hand instruments?Exploratory instrumentsNon cutting instrumentsRestoration instrumentsInstruments to remove tooth structure  <response>: 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: Sturdevants art and science of operative dentistry. 4th edition page 310 