What classification of restoration involves the lingual pit of a maxillary incisor?

Question

Quizplus · Accepted Answer

Restorations involving proximal surfaces of anterior teeth,not including the incisal angle,are class III.
Class I restoration involves the pits and fissures of a tooth.There can be a pit lingual of the maxillary incisors below the cingulum.
Class II restorations are extensions of the class I on the proximal surface of premolars and molars.
Class IV restorations involve proximal surface and include the incisal edge of anterior teeth canine to canine.
Class V restorations are located in the smooth surface areas of the gingival one third of any tooth facial or lingual.

What Classification of Restoration Involves the Lingual Pit of a Maxillary