Space maintainers

Definition of space maintenance is given by

• American Association of orthodontics

• JC Brauer

• Boucher

• Graber

Which of the following are utilized for maintaining unilateral space?

• Lingual arch

• Transpalatal arch

• Nance palatal arch

• Band and loop

The gap between the 2 loops in band and loop is _

• 7mm

• 9mm

• 8mm

• 5mm

modification of band and loop consisting of one arm is_

• Mayne's band and loop

• long band and loop

• crown and loop

• bonded band and loop

Contraindication of lingual arch includes _

• minor space regaining

• bilateral loss of primary molars

• before eruption of permenent lower incisors

• unilateral missing teeth

Other names for Distal shoe includes _

• EZ appliance

• Ricge's appliance

• Intra-alveolar appliance

• Willet's appliance

Single appointment (Chair-side) space maintainers includes _

• EZ appliance

• Tube and loop appliance

• Bonded space maintainer

• Removable space maintainer

Anterior esthetic space maintainers includes _

• Crown and loop

• RPD

• Ribbond

• Groper's appliance

Examples of fixed space regainers includes _

• Lip bumper

• King's appliance

• Gerber's appliance

• Hotz lingual arch

Indication of distal shoe _

• Bilateral loss of 2nd primary molar

• loss of 1st primary molar before eruption of permanent 1st molar

• bilateral loss of primary molars

• 2nd primary molar lost before eruption of permanent 1st molar