Premaxilla is derived from 1) Maxillary protuberance 2) Palatine bones 3) Frontonasal process 4) Medial process
OrthodonticsAnswer: 3
Most cranial sutures close by 1) 2 years 2) 3 years 3) 5 years 4) 8 years
OrthodonticsAnswer: 3
Which of the following statements concerning the wires used in tooth movement is most accurate? 1) The longer the wire, the greater the force and the faster the movement of the tooth 2) The longer the wire, the more gentle the force and the faster the movement of the tooth 3) Both of the above 4) None of the above
OrthodonticsAnswer: 2
Which of the following is a contraindication of RME 1) Posterior cross-bite associated with real or relative maxillary deficiencies 2) Patients with vertical growth pattern 3) Class III conditions along with the facemask 4) Medical conditions like nasal stenosis, and septal deformities
OrthodonticsAnswer: 2
Gonion, menton, pogonion are cephalometric landmarks located on 1) Mediline 2) Mandible 3) Bony chin 4) Profile skeletal
OrthodonticsAnswer: 2
If a succedaneous tooth fails to erupt, corresponding primary molar 1) Will resorb quickly 2) May remain untill 30 years 3) Will resorb and exfoliate as usual 4) Submerge in later life
OrthodonticsAnswer: 2
Orthodontic treatment is not recommended in 1) Adults 2) Deciduous dentition 3) Primary dentition 4) Chronic gingivitis
OrthodonticsAnswer: 4
Who has developed cephalometrics 1) Broadbent 2) Bjork 3) Buonocore 4) Begg
