A first order bend in an orthodontic wire is 1) A twist in the wire 2) In the vertical plane 3) In the horizontal plane 4) A horizontal bend with a twist
OrthodonticsAnswer: 3
Length of the maxilla increases by 1) Surface apposition at tuberosity region 2) Growth at mid palatine suture 3) Alveolar growth downwards and forwards 4) All of the above
OrthodonticsAnswer: 1
Tonicity of upper lip in mouth breathers and class II Div I may described as 1) Hypertonic 2) Hypotonic 3) Monotonic 4) None of the above
OrthodonticsAnswer: 2
The first orthodontic appliance devised by Angle was 1) Edgewise 2) Pin and tube appliance 3) E-arch 4) Ribbon arch
OrthodonticsAnswer: 3
A 5-year-old patient suffering from ectodermal dysplasia has no primary or permanent teeth. Dentures should be constructed 1) Only after skeletal growth of jaws is completed 2) Immediately and worn regularly as there is no effect on growth of basal bones 3) Immediately but worn only for eating as it may constrict the jaws 4) Dentures are contraindicated
OrthodonticsAnswer: 2
Anterior bite plane. True is 1) Helps in correction of deep bite 2) Helps in eruption of molars 3) Depresses lower incisors 4) All of the above
OrthodonticsAnswer: 4
Developing crossbites are treated by using 1) Z sping 2) Tongue blade 3) Crossbite elastics 4) Bite plane
OrthodonticsAnswer: 2
Which of the following are/is not an active component in removable appliance 1) Adams clasp and baseplate 2) Springs and elastics 3) Screws and elastics 4) Labial-bow and springs
