Use Black's classification system to classify a restoration placed on tooth 7 that restores both the incisal and the mesial surfaces.

Question

Quizplus · Accepted Answer

Class IV restorations in Black's classification system are those that involve the proximal surfaces of incisors or canines and also include the incisal edges. Since the restoration mentioned is on tooth 7 (an incisor) and involves both the incisal and mesial surfaces, it fits the criteria for a Class IV restoration.

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