MDS PREP

Basal bone differs from alveolar bone in
1) Function
2) Staining properties
3) Osteocyte metabolism
4) All of the above

Orthodontics Answer: 1

Eruption of teeth is delayed in all of the following except
1. Hypothyroidism and cleidocranial dysplasia
2. Acromegaly and hyperthyroidism
3. Rickets and cherubism
4. Cretinism and dentigerous cysts

Orthodontics Answer: 2

Which of the following best characterizes a malocclusion involving a subdivision classification?

1. The buccal segments are of different Angle classifications.
2. The buccal segments are Angle Class II.
3. The buccal segments are Angle Class III.
4. The buccal segments do not involve an Angle Class I.

Orthodontics Answer: 1

Child has a flush terminal plane early in mixed dentition. Movement of the lower molar forward relative to the upper molar by
1) 1 mm
2) 1.5 mm
3) 2 mm
4) 3.5 mm

Orthodontics Answer: 4

A substantial increase the maxillary width is usually best obtained by placing
1) Lingual arch wire
2) A sutural expansion fixed appliances
3) Posterior intermaxillary cross elastics
4) A face-bow with an expanded inner bow

Orthodontics Answer: 2

Which of the following forces best accomplish orthodontic tooth movement?
1) Heavy and continuous
2) Heavy and intermittent
3) Light and continuous
4) Light and intermittent

Orthodontics Answer: 3

A bimax protrusion is
1) Spliting and protrusion of maxilla into two halves
2) Forward placed upper and lower dental arches on normal skeletal bases
3) Forward placed upper dental arch and skeletal base
4) Forward placed lower dental arch and skeletal base

Orthodontics Answer: 2

Spring used for maxillary arch expansion
1) Quadhelix and coffin
2) Buccal and palatal canine retractor
3) "T" spring and "Z" spring
4) All of the above

Orthodontics Answer: 1

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MDS PREP

Basal bone differs from alveolar bone in1) Function2) Staining properties3) Osteocyte metabolism4) All of the above

Eruption of teeth is delayed in all of the following except 1. Hypothyroidism and cleidocranial dysplasia 2. Acromegaly and hyperthyroidism 3. Rickets and cherubism 4. Cretinism and dentigerous cysts

Which of the following best characterizes a malocclusion involving a subdivision classification? 1. The buccal segments are of different Angle classifications.2. The buccal segments are Angle Class II.3. The buccal segments are Angle Class III.4. The buccal segments do not involve an Angle Class I.

Child has a flush terminal plane early in mixed dentition. Movement of the lower molar forward relative to the upper molar by1) 1 mm2) 1.5 mm3) 2 mm4) 3.5 mm

A substantial increase the maxillary width is usually best obtained by placing1) Lingual arch wire2) A sutural expansion fixed appliances3) Posterior intermaxillary cross elastics4) A face-bow with an expanded inner bow

Which of the following forces best accomplish orthodontic tooth movement?1) Heavy and continuous2) Heavy and intermittent3) Light and continuous4) Light and intermittent

A bimax protrusion is1) Spliting and protrusion of maxilla into two halves2) Forward placed upper and lower dental arches on normal skeletal bases3) Forward placed upper dental arch and skeletal base4) Forward placed lower dental arch and skeletal base

Spring used for maxillary arch expansion1) Quadhelix and coffin2) Buccal and palatal canine retractor3) "T" spring and "Z" spring4) All of the above

Explore by subjects

Basal bone differs from alveolar bone in
1) Function
2) Staining properties
3) Osteocyte metabolism
4) All of the above

Eruption of teeth is delayed in all of the following except
1. Hypothyroidism and cleidocranial dysplasia
2. Acromegaly and hyperthyroidism
3. Rickets and cherubism
4. Cretinism and dentigerous cysts

Child has a flush terminal plane early in mixed dentition. Movement of the lower molar forward relative to the upper molar by
1) 1 mm
2) 1.5 mm
3) 2 mm
4) 3.5 mm

A substantial increase the maxillary width is usually best obtained by placing
1) Lingual arch wire
2) A sutural expansion fixed appliances
3) Posterior intermaxillary cross elastics
4) A face-bow with an expanded inner bow

Which of the following forces best accomplish orthodontic tooth movement?
1) Heavy and continuous
2) Heavy and intermittent
3) Light and continuous
4) Light and intermittent

A bimax protrusion is
1) Spliting and protrusion of maxilla into two halves
2) Forward placed upper and lower dental arches on normal skeletal bases
3) Forward placed upper dental arch and skeletal base
4) Forward placed lower dental arch and skeletal base

Spring used for maxillary arch expansion
1) Quadhelix and coffin
2) Buccal and palatal canine retractor
3) "T" spring and "Z" spring
4) All of the above