The high pull headgear is used to 1) Extrude the maxillary incisors and correct anterior deep bite 2) To intrude the maxillary incisors and correct anterior deep bite 3) To intrude the mandibular incisors and correct anterior deep bite 4) None of the above
OrthodonticsAnswer: 2
Inclined plane is a good example of 1) Simple anchorage 2) Reciprocal anchorage 3) Reinforced anchorage 4) Extraoral anchorage
OrthodonticsAnswer: 3
Following are "essential diagnostic criteria" according to Graber except 1) Case history 2) Facial photographs 3) Periapical X-rays 4) Lateral cephalograms
OrthodonticsAnswer: 4
Which of the following is used for correction of anterior crossbite 1) Z spring 2) T spring is used for buccal movement of anterior crossbite 3) Coffin spring 4) Canine retractors
OrthodonticsAnswer: 1
Most class II malocclusions can be prevented by 1) Maintaining the integrity of primary dentition 2) Breast-feeding 3) Breaking abnormal oral habits 4) No known techniques
OrthodonticsAnswer: 4
Dolicocephalic facial pattern is associated with 1) Borad dental arch 2) Long and narrow dental arch 3) Paroboloid dental arch 4) Square dental arch
OrthodonticsAnswer: 2
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
A headgear applied to the maxillary molars can serve to improve anterioposterior skeletal dysplasia by 1) Downward and backward rotation of the maxilla 2) Posterior repositioning of the maxillary teeth within the maxilla 3) Rapid palatal expansion 4) Redirection of maxillary growth