Morphology Of Mandibular Premolars

Head of high-speed dental handpiece with bur and a layout of the human jaw in dentist's hands on the white isolated background. Dental instruments for dental treatment. Close-up view.

There are two common types of mandibular second premolars: a two-cusp type with one lingual cusp (frequency 43%), and a three-cusp type with two lingual cusps (frequency 54,2%)