Premature loss of deciduous second molar generally results in 1) Loss of arch length 2) Increase om arch length 3) Spacing of the incisors 4) Crowding of the incisors
OrthodonticsAnswer: 1
Which of the following is the most important factor to be considered before attempting to close a midline diastema using a removable appliance? 1) The size of the teeth 2) Age of the patient 3) Vitality of the teeth 4) Amount of overjet
OrthodonticsAnswer: 4
In Begg"s technique the width and thickness of molar band is 1) 0.18 * 0.005 inch 2) 0.125 * 0.003 inch 3) 0.15 * 0.004 inch 4) None of the above
OrthodonticsAnswer: 1
If arch length space discrepancy is more than 10 mm, it indicated, for correction of crowding 1) Definite extraction of some permanent teeth 2) Myofunctional therapy should be carried 3) Only fixed appliance therapy is indicated 4) Expansion of the arch should be carried out
OrthodonticsAnswer: 1
Accepted latency between exfoliation of deciduous teeth and eruption of succadaneous permanent tooth 1) 3 months 2) 6 months 3) 9 months 4) 12 months
OrthodonticsAnswer: 2
If a child is born and lived for first eight years in area which contains water supply with 2.5 ppm of fluoride, mottling develops 1) In all primary teeth 2) In all permanent teeth 3) In all permanent teeth except third molars 4) Only permanent incisors are affected
OrthodonticsAnswer: 3
At some time, thumb sucking is noted in 1) <10 % or pre-school children 2) 10-50 % or pre-school children 3) >50 % or pre-school children 4) All pre-school children
OrthodonticsAnswer: 3
Mandible closely follows the growth curve of 1) Lymphoid tissue 2) Neural tissue 3) General tissues 4) All of the above