Which tooth exhibits a mesiodistal dimension that is wider on the lingual side compared to the facial side?

Show Answers

First premolar of the upper jawSecond premolar of the lower jawFirst premolar of the lower jawFirst molar of the upper jawSecond molar of the upper jaw

Explanation

Among the teeth listed, the first molar in the maxillary arch uniquely has a mesiodistal measurement that is greater on the lingual surface than on the facial surface. The premolars and other molars do not display this characteristic.