What distinguishes mandibular premolars from maxillary premolars in terms of their lingual surface?

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Both buccal and lingual cusps are more pronouncedThe lingual cusp is more pointed and elongatedThe lingual surface is more rounded and less pronouncedThe buccal surface appears rounded and underdeveloped

Explanation

Mandibular premolars typically have a lingual surface that is more rounded and less developed compared to maxillary premolars, which helps in distinguishing between the two.