The three landmarks which determine skeletal convexity are 1) Glabella, prosthion and supramentale 2) Nasion, sella and articulare 3) Nasion, subspinale and pogonion 4) None of the above
OrthodonticsAnswer: 3
Distal shoe appliance is contraindicated in patients with 1) Congenital heart diseases 2) Haemophilia 3) Poor oral hygiene 4) All of the above
OrthodonticsAnswer: 4
High orthodontic forces cause 1) Resorption of cementum 2) Resorption of dentin 3) Non vital teeth 4) All of the above
OrthodonticsAnswer: 4
At birth, the following structure is nearest the size it will attain in adulthood 1) Mandible 2) Cranial vault 3) Cranial base 4) Middle face
OrthodonticsAnswer: 2
Height of maxilla mainly increased by 1) Sutural growth 2) Alveolar growth 3) Surface apposition at tuberosity 4) Surface apposition on anterior surface
OrthodonticsAnswer: 2
Pendulum appliance is 1) Intraoral appliance for distalisation of molars 2) Intraoral appliance for slow expansion of arch 3) Intraoral appliance for rapid expansion of arch 4) Intraoral appliance for uprightining of molars
OrthodonticsAnswer: 1
If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as 1) Continuous force 2) Interrupted force 3) Intermittent force 4) Differential force
OrthodonticsAnswer: 3
Fishman"s index is used in relation with 1) Population 2) Hand-wrist radiographs 3) Cephalograms 4) Periodontal diseases
