In adams clasp, the angulation of retentive points at the bridge portion of clasp should be 1) 45 degrees 2) 55 degrees 3) 75 degrees 4) 85 degrees
OrthodonticsAnswer: 1
Loops and helices are included in arch wires primarily to 1) Align crowded teeth 2) Increase force of wires 3) Increase the anchorage 4) Increase the activation range
OrthodonticsAnswer: 4
A retained lower decidious incisor will usually 1) Deflect permanent teeth lingually 2) Deflect permanent teeth labially 3) Deflect permanent teeth distally 4) Cause ankylosis of permanent teeth
OrthodonticsAnswer: 1
Growth completion of basal cranium as compared to jaws 1) Always precedes 2) Always follows 3) Sex dependent 4) Always accompanies
OrthodonticsAnswer: 1
The following is a guided spring 1) Buccal canine retractor 2) Coffin spring 3) Sleeved canine retractor 4) Cantilever spring
OrthodonticsAnswer: 4
Postnormal occlusion is 1) CI-I with anterior crowding 2) CI-II malocclusion 3) CI-III malocclusion 4) Bimaxillary protrusion
OrthodonticsAnswer: 2
Greatest amount of intercanine width occurs in the maxilla at the time of eruption of permanent 1) Central incisors 2) Lateral incisors 3) Canines 4) Premolars
OrthodonticsAnswer: 3
Orthodontic correction is indicated in pre-school age child for the following except 1) Anterior crossbite 2) Narrow upper arch 3) Abnormal oral habits 4) Class II malocclusion
