Batch J ortho

Severe skeletal discrepancies in adult patients can be treated with

• dental camouflage

• orthognathic surgery

• myo functional appliances

• orthopedic appliances

Unilateral crossbite accompanying a bilateral constriction of the maxilla is usually associated with

• crowding

• mandibular shift

• ectopic eruption

• deepbite

Application of intermaxillary elastics from lower molar to upper anteriors is called

• a. class I traction

• b. class II traction

• c. class III traction

• d. class IV traction

A distinctive clinical manifestation of a successful rapid maxillary expansion is

• a. anterior cross bite

• b. posterior cross bite

• c. midline diastema

• d. open bite

Quad helix

• a. widens mandibular arch

• b. widens maxillary arch

• c. used for canine retraction

• d. used for bite opening

The activator appliance was introduced by

• a. Balter

• b. Anderson

• c. Clark

• d. Robin

Which one of the following conditions is not favourable for use of functional appliance?

• Crowded teeth

• Growth spurts

• Horizontal growth pattern

• Class II skeletal base with retrognathic mandible

Based on the Angle’s classification system, how does one classify a malocclusion with the following features; End-on molar on right side, Class I molar on left side, proclined upper anteriors and increased overjet?

• Class I malocclusion

• Class III malocclusion

• Class II div 2 malocclusion

• Class II div 1 subdivision malocclusion

A convex profile is always associated with

• Class I malocclusion

• Class II malocclusion

• Class III malocclusion

• mesio cclusion

Most commonly used removable functional appliance

• Bionator

• Frankel appliance

• Twinblock

• Activator