Ortho - Lecture 8: Tx of Early Problems

Question 1

Early tx _________ the possibility of achieving a better result, right now

Answer 1

increases

Question 2

T/F: Younger pts are often more cooperative

Answer 2

True

Question 3

A permanent tooth should replace its primary predecessor when approximately ______ of the root of the permanent tooth is formed

Answer 3

3/4

Question 4

How do you treat an over-retained primary tooth?

Answer 4

Ext

Question 5

When the permanent lateral incisor erupts, __________ of one or both primary canines is common. What does this indicate?

Answer 5

resorption; indicates lack of space for permanent incisors

Question 6

How do you treat ectopic eruption of a lateral incisor?

Answer 6

Space analysis

Question 7

At approximately age _____, if the primary canine is not mobile and there is no observable or palpable facial canine bulge, ectopic eruption of maxillary canines should be considered

Answer 7

10

Question 8

What can occur if the maxillary canines are undergoing ectopic eruption?

Answer 8

Impaction of canine
Resorption of permanent incisors

Question 9

slide 10