Incisor Relatioships

Question 1

Define class 1 incisor relationship

Answer 1

The lower incisal edges occlude with or lie immediately below the cingulum of the upper incisors.

Question 2

Define class 2 div 1

Answer 2

The lower incisor edges lie posterior to the cingulum and the upper incisors are proclined or average, and increase in overjet

Question 3

Define class 2 div 2

Answer 3

Lower incisors lie behind the cingulum of the upper centrals, and the upper centrals are retro lined with minimal overjet

Question 4

Define class 3 incisor relationship

Answer 4

Lower incisal edges lie anterior to the cingulum of upper incisors. The overjet is reversed