Which of the following surfaces is considered the masticatory surface for permanent anterior teeth when newly erupted?

Question

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The long crown of a permanent anterior tooth has an incisal surface,which is considered the incisal ridge and is its masticatory surface.After eruption the incisal ridge appears even more flattened from its labial,lingual,or incisal views due to a usual level of tooth wear and becomes the incisal edge.The occlusal table is the inner part of the occlusal surface of permanent posterior teeth.

Which of the Following Surfaces Is Considered the Masticatory Surface