Space Maintainers

Question 1

When ortho tx is planned for specific region of arch, what space maintainer may be preferred?

Answer 1

Unilateral

Question 2

When is unilateral space maintainer indicated?

Answer 2

When only one primary tooth is lost prematurely and there is a risk of mesial drift or tilting

Question 3

What does band and loop space maintainer consist of?

Answer 3

Metal band cemented to adjacent tooth with loop extending into the space

Question 4

What is the crown and loop space maintainer?

Answer 4

Metal band is attached to a crown covering the adjacent tooth

Question 5

When is a distal shoe space maintainer used?

Answer 5

When primary 2nd molar is lost before eruption of permanent first molar

Question 6

Lingual arch space maintainer consists of

Answer 6

metal wire placed on lingual of dental arch

Question 7

lingual arch space maintainer prevents

Answer 7

mesial movement of molars and maintains space

Question 8

What is the hayes-nance appliance?

Answer 8

A wire that connects to an acrylic button on the palate

Question 9

hayes-nance appliance prevents

Answer 9

mesial movement and maintains space in the upper dental arch

Question 10

What is the transpalatal arch?

Answer 10

Wire that connects upper first molars on both sides of the arch

Question 11

Transpalatal arch prevents

Answer 11

mesial movement and maintains space in the upper dental arch