In whihc of the following conditions oral screen should not be used 1) Nail biting habit 2) Tongue thrusting 3) Acute infection of tonsils and adenoids 4) Thumb sucking
OrthodonticsAnswer: 3
Who has developed cephalometrics 1) Broadbent 2) Bjork 3) Buonocore 4) Begg
OrthodonticsAnswer: 1
Angle SNA is used to 1) Relate maxilla to mandible 2) Relate maxilla to cranial base 3) Relate mandible to maxilla 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
An ANB angle 2 degree on the cephalogram usually indicates 1) An unfavourable relationship of mandible to maxilla 2) A favourable relationship of maxillary alveolar base to mandibular alveolar base 3) Poor cranial growth with poor prognosis 4) Retruded maxillary incisor
OrthodonticsAnswer: 2
Tweed"s triangle denotes 1) The position of maxilla and mandible to each other 2) The angle between the mandibular plane and mandibular incisors 3) Relationship between maxillary central and mandibular central incisor 4) Profile of an individual
OrthodonticsAnswer: 2
Oral screen 1) Causes the child to breathe through the nose 2) Allows for the passage of air through mouth 3) Prevents passage of air through nares 4) Allows the passage of air through mouth & nose
OrthodonticsAnswer: 1
Patient ages 8 years with skeletal anterior open bite is treated with 1) Posterior bite plane 2) Frankel appliance with high pull headgear 3) Posterior osteotomy to reposition posterior segment 4) Box elastics with fixed appliance
