Developing crossbites are treated by using 1) Z sping 2) Tongue blade 3) Crossbite elastics 4) Bite plane
OrthodonticsAnswer: 2
Leeway space helps in development of normal occlusion by 1) Allowing mesial drift of molars 2) Providing space for eruption of premolars 3) Providing space for eruption of permanent second molar 4) All of the above
OrthodonticsAnswer: 1
The copper NiTi wires are not available in the temperature range of 1) 15 degrees 2) 29 degrees 3) 35 degrees 4) 40 degrees
OrthodonticsAnswer: 2
In mixed dentition it is not indicated to correct 1) Transient class II malocclusion 2) A class III malocclusion 3) Thumb sucking habit 4) All of the above
OrthodonticsAnswer: 1
Myfunctional appliance (orthopaedic appliances0 is given at which stage 1) Primary dentition 2) Mixed dentition 3) Permanent dentition 4) Adulthood
OrthodonticsAnswer: 2
Anchorage is better provided by 1) Single rooted teeth 2) Multi rooted 3) Narrow rooted 4) Small rooted teeth
OrthodonticsAnswer: 2
A boy aged 14 years attends with a class I malocclusion. Moderate crowding in upper and lower anterior segment, primary upper canines retained. Radiographs show erupting permanent upper canines. Treatment is 1) Wait until upper primary canines shed naturally 2) Extract upper primary canines only and wait until permanent canine erupt 3) Extract upper "C" & "4"s & lower "4"s & maintain space for eruption of upper permanent canines 4) None of the above
OrthodonticsAnswer: 3
Eruption of teeth is delayed in all of the following except 1. Hypothyroidism and cleidocranial dysplasia 2. Acromegaly and hyperthyroidism 3. Rickets and cherubism 4. Cretinism and dentigerous cysts
