Orthodontic I Test

Which Cephalometric radiograph is most frequently used in Orthodontic ?

In cephalometric analysis of children with malocclusion, the angle ANB is frequently used. In patients with severe Class II malocclusion, this angle is ?

The Functional was defined as Removable or fixed appliance that ?

A 12 years old boy with class II incisors relationship when upper incisor are procline (overjet= 11 mm ) and the teeth in both arches are well aligned combined with skeletal II base by the normal maxilla when the mandible in retrusive, how can manage this patient ?

What problem when permanent lateral incisors are missing ?

Which degree of rotation in tooth movement when the URA is indicated ?

The early loss of deciduous teeth would cause ?

Other causes of median diastema could be due to:

When the first permanent molar was extracted, what’s happened in this area ?

The space available can be measured in each segment by using ?

What is the right answer for teeth movement in fixed appliance ?

Lower inclined plane :

What function of the retentive components ?

Total arch length minus total teeth width when the result is a positive value, it’s indicates ?

The permanent incisors develop to the roots of the deciduous incisors of face:

Which component that can helps control eruption of anterior teeth ?

Buccal canine retractor was indicated when it’s position ?

Contra- indication for removable appliance when ?

A line that drop perpendicular at the distal surface of Upper and lower E’s was known ?

How can to expose canine when it’s impacted?

When the overjet increase more than 9 mm increased risk incisors trauma ?

The Molar relationship class II was known as the mesio-buccal cusp of the upper first permanent molar occlude to the lower first permanent molar at ?

Premature loss of deciduous teeth, when the C and D in unilateral loss cause ?

The normative values of SNA angle for the A-P Jaw relationship of the Caucasian Norm: ?

Which active component that can retract upper incisors ?

The skeletal Class II was described when ?

What functions of the screws expansion ?

The method to measure the arch we can divided it into ?

The upper anterior facial height is a line that is perpendicular to ?

What function for T spring ?

The factors determining of the anchorage value ?

The last primary tooth to be replaced by a permanent tooth is usually the ?

The most common cause of the teeth missing ?

Frankfort Horizontal is a reference plane constructed by joining which of the following landmarks?

Why the model base were kept as a records for the patient in orthodontic treatment ?

What is the flush terminal plane ?

The type of movement usually produced by a removable appliance is ?

What should you do when the second premolars were absent ?

What types of springs for removable appliances ?

Why the removable appliance was used in mixed with fixed appliance?

The various types of retentive components ?

The location of the Basion ( Ba Point ) was known as ?

Lower anterior facial height ratio ( % ) was calculated by ?

Modules were used in fixed appliances in order to hold ?

Frankfort Horizontal is a reference plane constructed by joining which of the following landmarks ?

Anchorage is the resistance to reactive forces generated by ?

Lower molar is distally positioned in relation to upper molar.?

Which among the following are anchorage according to the number of units? I. single II. Compound III. intra maxillary IV. reinforced

Six keys to normal occlusion include the following? I. no rotations II. no spaces in between teeth III. upright anterior teeth

This type of force occurs when removable appliances are used.?

Displacement of the mandible due to its growth at the condyle and posterior border of the ramus is?

Which among the following are anatomic landmarks? I. Na II. Pog III. Go IV. Kr

Permanent teeth that erupt posterior to the primary teeth?

Maxillary alveolar process growth is:?

Methods in measuring the apical base relationship:? I. SNA II. SNB III. ANB IV. FMA

It is an excellent aid in appraising facial balance, facial type and harmony of external feature.?

Which of the following factors will not increase maxillary width?

As maxilla is translated downward and forward, bone is removed from __ surface?

Major growth mechanism of cranial vault?

75. A narrow maxillary arch with respect to midsagittal plane is said to be in?