Dental anatomy lec 1

What is the anatomy of the mandibular first premolar?
Mandibular first premolars have two cusps.
The one large and sharp is located on the buccal side (closest to the cheek) of the tooth.
Since the lingual cusp (located nearer the tongue) is small and nonfunctional (which refers to a cusp not active in chewing), the mandibular first premolar resembles a small canine..
What is the anatomy of the maxillary first premolar?
The maxillary first premolar has two cusps with the buccal cusp prominently larger than the palatal cusp.
This tooth is said to exhibit the greatest variation in root anatomy and root canal morphology²^,³^,⁴..

– Teeth are grouped into: 1. Anterior teeth which include the incisors and the canines. 2. Posterior teeth which include the premolars and molars.

What is the anatomy of the mandibular first premolar?