Cranial base length is measured from 1) Nasion to Bolton 2) Nasion to Sella 3) Sella to Bolton 4) None of the above
OrthodonticsAnswer: 1
Serial extraction should not be undertaken if there is 1) Crowding 2) Presence of ectopic eruption 3) Deep bite or open bite 4) None of these
OrthodonticsAnswer: 3
Ugly duckling stage is characterised by all of the following except 1) Disto angular inclination of incisors 2) Possible increase in overjet 3) Mandibular lateral incisors lingual to central incisors 4) Deep bite
OrthodonticsAnswer: 4
Which of the following is untrue of true class III malocclusion 1) Concave profile 2) Increased gonian angle 3) Protrusion of lower anterior teeth 4) Forward path of closure
OrthodonticsAnswer: 3
When the orthodontic force applied is light, resorption will be 1) Apical 2) Direct 3) Indirect 4) Undermining
If space discrepancy according to Carey"s arch perimeter analysis is 4 mm, your inference is 1) Proximal stripping 2) Expansion of the arch 3) Extraction of 1st premolar 4) Extraction of IInd premolar
OrthodonticsAnswer: 4
Which of the following are sites of cartilaginous growth postnatally? 1) Spheno-occipital synchondrosis 2) Mandibular condyle 3) Nasal septum 4) Both A and B
