two characteristics that are the same for mandibular and maxillary central and lateral incisors
2 central and 2 lateral, central incisor of both sides of the midline
what is the antagonist for the mand. central incisors?
max central incisor
what is the antagonist for the mand lateral incisors?
max. central and lateral incisors
what is the eruption date for the mandibular central incisor?
6-7 years
labial surface
straight incisal edge w/ sharp angles, the sharp angles make up the contact areas
two characteristics of the root of the mandibular central incisor
broad root, root furrow or depression on mesial/ distal side
describe the incisal view of the mandibular central incisor
straight incisal ridge, bilaterally symmetric form
what is the contact area for the mandibular central incisor on the mesial side?
incisal angle
what is the contact area for the mandibular central incisor on the distal side?
incisal angle
what is the eruption date for the mandibular lateral incisor?
7-8 years
what is the contact area for the mandibular lateral incisor on the mesial side?
mesial incisal angle
what is the contact area for the mandibular lateral incisor on the distal side?
cervical to incisal angle