MDS PREP

The two major local causes of root resorption are

1) inflammation and excessive pressure

2) inflammation and cementoclast-activating factor

3) excessive pressure and increased pH of ground substance

4) cementoclast-activating factor and increased pH of ground substance

Orthodontics Answer: 1

The term space maintenance referts to
1) The preservation of the space for a permanent tooth in a child"s mouth
2) The preservation of total arch length or of all the permanent teeth in the arch in a child"s mouth
3) To prevention of mesial drift after the loss of a tooth
4) None of the above

Orthodontics Answer: 2

A child who had a congenital defect of cleft lip and cleft palate is most likely to suffer from which kind of malocclusion
1) Bilateral posterior crossbite
2) A collapsed anterior mandibular arch
3) Class II division I malocclusion
4) None of the above

Orthodontics Answer: 1

Hyperactive mentalis muscle is a prominent feature of
1) Class I
2) Class II Div I
3) Class II Div II
4) Class III

Orthodontics Answer: 2

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth
1) 4.5 years
2) 6.5 years
3) 8.5 years
4) 11.5 years

Orthodontics Answer: 3

Growth of anterior cranial base is completed by
1) 5-6 years
2) 7-9 years
3) 8-10 years
4) 10-12 years

Orthodontics Answer: 3

Elastics are used in fixed appliances
1) To correct class II molar relation
2) To correct class III molar relation
3) Directly attached to appliance components
4) All of the above

Orthodontics Answer: 4

Reinforced anchorage. Example is
1) Bite plane anterior
2) Posterior bite plane
3) Inclined plane
4) All of the above

Orthodontics Answer: 3

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MDS PREP

The two major local causes of root resorption are 1) inflammation and excessive pressure 2) inflammation and cementoclast-activating factor 3) excessive pressure and increased pH of ground substance 4) cementoclast-activating factor and increased pH of ground substance

The term space maintenance referts to1) The preservation of the space for a permanent tooth in a child"s mouth2) The preservation of total arch length or of all the permanent teeth in the arch in a child"s mouth3) To prevention of mesial drift after the loss of a tooth4) None of the above

A child who had a congenital defect of cleft lip and cleft palate is most likely to suffer from which kind of malocclusion1) Bilateral posterior crossbite2) A collapsed anterior mandibular arch3) Class II division I malocclusion4) None of the above

Hyperactive mentalis muscle is a prominent feature of1) Class I2) Class II Div I3) Class II Div II4) Class III

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth1) 4.5 years2) 6.5 years3) 8.5 years4) 11.5 years

Growth of anterior cranial base is completed by1) 5-6 years2) 7-9 years3) 8-10 years4) 10-12 years

Elastics are used in fixed appliances1) To correct class II molar relation2) To correct class III molar relation3) Directly attached to appliance components4) All of the above

Reinforced anchorage. Example is1) Bite plane anterior2) Posterior bite plane3) Inclined plane4) All of the above

Explore by subjects

The two major local causes of root resorption are

1) inflammation and excessive pressure

2) inflammation and cementoclast-activating factor

3) excessive pressure and increased pH of ground substance

4) cementoclast-activating factor and increased pH of ground substance

The term space maintenance referts to
1) The preservation of the space for a permanent tooth in a child"s mouth
2) The preservation of total arch length or of all the permanent teeth in the arch in a child"s mouth
3) To prevention of mesial drift after the loss of a tooth
4) None of the above

A child who had a congenital defect of cleft lip and cleft palate is most likely to suffer from which kind of malocclusion
1) Bilateral posterior crossbite
2) A collapsed anterior mandibular arch
3) Class II division I malocclusion
4) None of the above

Hyperactive mentalis muscle is a prominent feature of
1) Class I
2) Class II Div I
3) Class II Div II
4) Class III

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth
1) 4.5 years
2) 6.5 years
3) 8.5 years
4) 11.5 years

Growth of anterior cranial base is completed by
1) 5-6 years
2) 7-9 years
3) 8-10 years
4) 10-12 years

Elastics are used in fixed appliances
1) To correct class II molar relation
2) To correct class III molar relation
3) Directly attached to appliance components
4) All of the above

Reinforced anchorage. Example is
1) Bite plane anterior
2) Posterior bite plane
3) Inclined plane
4) All of the above