MDS PREP

Which of these is the ideal appliance for correction of posterior cross bite due to digit sucking habit?

1) Tongue spikes

2) Hay rakes

3) Maxillary lingual arch with palatal crib

4) Quad helix

Orthodontics Answer: 4

Classification of appliances for thumb-sucking

1. Removable appliances- These are passive appliances. These are retained in the oral cavity by means of clasps and they norm have one of these following additional components:
a. Tongue spikes
b. Tongue guard
c. Spurs/rake

2 Fixed appliances

a. Quad helix
b. Hay rakes
c. Maxillary lingual arch with palatal crib

The ideal appliance to correct posterior cross-bite caused due to digit sucking is Quad Helix. It is a lingual arch which is adjustab and needs very little patient cooperation because it is fixed and is reliable and easy to use.

How/where should the wire be bent to activate a correctly made palatal canine retraction?
1) Between the coil and tooth, but close to the coil
2) Between the coil and tooth, but close to the tooth
3) Between the coil and its insertion into the base of the plate
4) By opening out the coil

Orthodontics Answer: 1

Bending the wire between the coil and the tooth, but closer to the coil, allows for effective activation of the retraction mechanism, providing the necessary force for movement.

If "E" are lost due to caries at 8 years in a crowded mouth, "5"s will probably
1) Impact
2) Deflected palatally
3) Deflected buccally
4) Fail to erupt

Orthodontics Answer: 2

The deepest point between the anterior nasal spine and superior prosthion is
1) Subspinale
2) Supranasale
3) Infraspinale
4) Gnathion

Orthodontics Answer: 1

Enlarged tonsils in 6-year-old child by age 12, most likely to be
1. Larger
2. Smaller
3. Same size
4. Hyperaemic

Orthodontics Answer: 2

A pseudo class III is differentiated from true class III by
1) Presence of premature contacts
2) Normal gonial angle
3) Deviated path of closure
4) All of the above

Orthodontics Answer: 4

Lip bumper not used in the treatment of
1) Lip biting
2) Distalisation of molars
3) Nail biting
4) Lip exercises

Orthodontics Answer: 3

Milwaukee brace wear for treatment of scoliosis leads to
1) Class II malocclusion due to over growth of maxilla
2) Class III malocclusion due to over growth of maxilla
3) Class II malocclusion due to over growth of mandible
4) Class III malocclusion due to over growth of mandible

Orthodontics Answer: 3

MDS PREP

Which of these is the ideal appliance for correction of posterior cross bite due to digit sucking habit?

1) Tongue spikes

2) Hay rakes

3) Maxillary lingual arch with palatal crib

4) Quad helix

How/where should the wire be bent to activate a correctly made palatal canine retraction?
1) Between the coil and tooth, but close to the coil
2) Between the coil and tooth, but close to the tooth
3) Between the coil and its insertion into the base of the plate
4) By opening out the coil

If "E" are lost due to caries at 8 years in a crowded mouth, "5"s will probably
1) Impact
2) Deflected palatally
3) Deflected buccally
4) Fail to erupt

The deepest point between the anterior nasal spine and superior prosthion is
1) Subspinale
2) Supranasale
3) Infraspinale
4) Gnathion

Enlarged tonsils in 6-year-old child by age 12, most likely to be
1. Larger
2. Smaller
3. Same size
4. Hyperaemic

A pseudo class III is differentiated from true class III by
1) Presence of premature contacts
2) Normal gonial angle
3) Deviated path of closure
4) All of the above

Lip bumper not used in the treatment of
1) Lip biting
2) Distalisation of molars
3) Nail biting
4) Lip exercises

Milwaukee brace wear for treatment of scoliosis leads to
1) Class II malocclusion due to over growth of maxilla
2) Class III malocclusion due to over growth of maxilla
3) Class II malocclusion due to over growth of mandible
4) Class III malocclusion due to over growth of mandible

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MDS PREP

Which of these is the ideal appliance for correction of posterior cross bite due to digit sucking habit? 1) Tongue spikes 2) Hay rakes 3) Maxillary lingual arch with palatal crib 4) Quad helix

How/where should the wire be bent to activate a correctly made palatal canine retraction?1) Between the coil and tooth, but close to the coil2) Between the coil and tooth, but close to the tooth3) Between the coil and its insertion into the base of the plate4) By opening out the coil

If "E" are lost due to caries at 8 years in a crowded mouth, "5"s will probably1) Impact2) Deflected palatally3) Deflected buccally4) Fail to erupt

The deepest point between the anterior nasal spine and superior prosthion is1) Subspinale2) Supranasale3) Infraspinale4) Gnathion

Enlarged tonsils in 6-year-old child by age 12, most likely to be 1. Larger 2. Smaller 3. Same size 4. Hyperaemic

A pseudo class III is differentiated from true class III by1) Presence of premature contacts2) Normal gonial angle3) Deviated path of closure4) All of the above

Lip bumper not used in the treatment of1) Lip biting2) Distalisation of molars3) Nail biting4) Lip exercises

Milwaukee brace wear for treatment of scoliosis leads to1) Class II malocclusion due to over growth of maxilla2) Class III malocclusion due to over growth of maxilla3) Class II malocclusion due to over growth of mandible4) Class III malocclusion due to over growth of mandible

Explore by subjects

Which of these is the ideal appliance for correction of posterior cross bite due to digit sucking habit?

1) Tongue spikes

2) Hay rakes

3) Maxillary lingual arch with palatal crib

4) Quad helix

How/where should the wire be bent to activate a correctly made palatal canine retraction?
1) Between the coil and tooth, but close to the coil
2) Between the coil and tooth, but close to the tooth
3) Between the coil and its insertion into the base of the plate
4) By opening out the coil

If "E" are lost due to caries at 8 years in a crowded mouth, "5"s will probably
1) Impact
2) Deflected palatally
3) Deflected buccally
4) Fail to erupt

The deepest point between the anterior nasal spine and superior prosthion is
1) Subspinale
2) Supranasale
3) Infraspinale
4) Gnathion

Enlarged tonsils in 6-year-old child by age 12, most likely to be
1. Larger
2. Smaller
3. Same size
4. Hyperaemic

A pseudo class III is differentiated from true class III by
1) Presence of premature contacts
2) Normal gonial angle
3) Deviated path of closure
4) All of the above

Lip bumper not used in the treatment of
1) Lip biting
2) Distalisation of molars
3) Nail biting
4) Lip exercises

Milwaukee brace wear for treatment of scoliosis leads to
1) Class II malocclusion due to over growth of maxilla
2) Class III malocclusion due to over growth of maxilla
3) Class II malocclusion due to over growth of mandible
4) Class III malocclusion due to over growth of mandible