A High pull head gear

B Medium pull head gear

C Cervical head gear

D Reverse pull head gear

A Periapical bony changes

B Root resorption

C Changes in bony furcation area

D Widening of apical periodontal ligament

A Anatomic

B Non anatomic

C Semi anatomic

D Saucer teeth

A 3 - 12%

B 12 - 20%

C 20 - 41%

D Less than 3%

A For better clasp prediction

B Vertical to occlusal plane

C Balanced occlusion

D Avoid precision attachment

A Gold inlay

B Acrylic resin

C Silicate cement

D Gold foil

A Check for supernumerary teeth

B Resection of supracrestal fibers

C Exert a couple on tooth

D Fixed orthodontic appliances given

A 70-120

B 50-70

C 30-51

D 20-Oct

A 8 months

B 18 months

C 8 years

D 16 years

A Sharpey's fibres

B Tomes fibres

C Elastic fibres

D Ray's fibres