MDS PREP

If an excessive overbite is seen immediately upon the eruption of the incisors, which of the following should be suspected?
1) A problem in the vertical relationship of the facial skeleton
2) A problem in width relationships
3) A problem in the formation of the primary teeth
4) None of the above

Orthodontics Answer: 1

Buccal canine retractors are used instead of palatine canine retractor when
1) Canine is buccaly placed
2) Canine is mesially placed
3) Canine is palatally placed
4) Canine is ectopically erupted

Orthodontics Answer: 1

Lingually locked of permanent left central incisor in otherwise normal occlusion is due to
1) Prolonged retention of primary left central incisor
2) Prolonged retention of primary right central incisor
3) Both of the above
4) None of the above

Orthodontics Answer: 1

Cranial vault follows the growth curve of
1) Neural tissue
2) Dental tissue
3) Somatic or general tissue
4) Genital

Orthodontics Answer: 1

Which of the following components of the fixed appliance holds the arch wire on the teeth except for that of anchor molars
1) Cleats
2) Brackets
3) Bands
4) Lock springs

Orthodontics Answer: 2

The role of pulp in resorption of primary teeth
1) Passive participant
2) Active participant
3) Resists resorption
4) Activates resorption

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

During retraction of anteriors into extraction space, lateral incisors are prevented from retraction. This may
1) Cause canine to move slowly
2) No effect on canine retraction
3) Lead to collapse of the arch
4) Lead to loss of anchorage

Orthodontics Answer: 2

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MDS PREP

If an excessive overbite is seen immediately upon the eruption of the incisors, which of the following should be suspected?1) A problem in the vertical relationship of the facial skeleton2) A problem in width relationships3) A problem in the formation of the primary teeth4) None of the above

Buccal canine retractors are used instead of palatine canine retractor when1) Canine is buccaly placed2) Canine is mesially placed3) Canine is palatally placed4) Canine is ectopically erupted

Lingually locked of permanent left central incisor in otherwise normal occlusion is due to1) Prolonged retention of primary left central incisor2) Prolonged retention of primary right central incisor3) Both of the above4) None of the above

Cranial vault follows the growth curve of1) Neural tissue2) Dental tissue3) Somatic or general tissue4) Genital

Which of the following components of the fixed appliance holds the arch wire on the teeth except for that of anchor molars1) Cleats2) Brackets3) Bands4) Lock springs

The role of pulp in resorption of primary teeth1) Passive participant2) Active participant3) Resists resorption4) Activates resorption

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

During retraction of anteriors into extraction space, lateral incisors are prevented from retraction. This may1) Cause canine to move slowly2) No effect on canine retraction3) Lead to collapse of the arch4) Lead to loss of anchorage

Explore by subjects

If an excessive overbite is seen immediately upon the eruption of the incisors, which of the following should be suspected?
1) A problem in the vertical relationship of the facial skeleton
2) A problem in width relationships
3) A problem in the formation of the primary teeth
4) None of the above

Buccal canine retractors are used instead of palatine canine retractor when
1) Canine is buccaly placed
2) Canine is mesially placed
3) Canine is palatally placed
4) Canine is ectopically erupted

Lingually locked of permanent left central incisor in otherwise normal occlusion is due to
1) Prolonged retention of primary left central incisor
2) Prolonged retention of primary right central incisor
3) Both of the above
4) None of the above

Cranial vault follows the growth curve of
1) Neural tissue
2) Dental tissue
3) Somatic or general tissue
4) Genital

Which of the following components of the fixed appliance holds the arch wire on the teeth except for that of anchor molars
1) Cleats
2) Brackets
3) Bands
4) Lock springs

The role of pulp in resorption of primary teeth
1) Passive participant
2) Active participant
3) Resists resorption
4) Activates resorption

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

During retraction of anteriors into extraction space, lateral incisors are prevented from retraction. This may
1) Cause canine to move slowly
2) No effect on canine retraction
3) Lead to collapse of the arch
4) Lead to loss of anchorage