Decay involving the incisal edge and proximal surface of a maxillary canine should be classified as:
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Correct answer: Class IV
When a proximal surface lesion of an anterior tooth also involves the incisal angle, it is classified as Class IV.
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More Cavity Design and Classification questions
- Which cavity class refers to lesions on the gingival third of the facial or lingual surfaces of any tooth (anterior or posterior)?
- Which class was later added to G.V. Black’s original five-class system to account for caries or damage on cusp tips and incisal edges?
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- What is the purpose of designing appropriate resistance form in a cavity preparation?
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