Use Black's Classification System to Classify a Restoration Placed on Tooth

question 10

Multiple Choice

Use Black's classification system to classify a restoration placed on tooth 4 that restores both the occlusal and the mesial surfaces.

• A) Class I
• B) Class II
• C) Class III
• D) Class IV
• E) Class V

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Definitions:

Thymine

A pyrimidine base found in DNA, paired with adenine in the DNA double helix.

DNA Encoding

The process by which genetic information is represented in the DNA using the sequence of four nucleotides (adenine, thymine, cytosine, and guanine) to instruct the development and functioning of organisms.

Nucleotide Sequence

The precise linear order of nucleotides in a DNA or RNA molecule, which encodes the genetic information of an organism.

Sugar-phosphate Backbone

The structural framework of nucleic acids, consisting of alternating sugar and phosphate groups.