If a normal SNA = 82 degrees a patient has SNA = 90 degrees. This suggests 1) Maxillary teeth protrusion 2) Maxillary protrusion 3) Mandibular protrusion 4) Mandibular retrusion
OrthodonticsAnswer: 2
First evidence of calcification of IInd premolar on radiographs is at 1. Birth 2. 3-4 months 3. 1.5 to 2.5 years 4. After 3 years
OrthodonticsAnswer: 3
Which of the following landmarks are not located in mandible 1) Pogonion 2) Gnathion 3) Menton 4) Porion
OrthodonticsAnswer: 4
All of the following are used for closing midline diastema except 1) Lingual arch with finger springs 2) Rubber elastic (or) steel ligature around two teeth 3) Hawley appliance with finger spring 4) None of the above
OrthodonticsAnswer: 2
Teeth that are initiated after birth 1) Premolars, permanent second and third molars 2) Premolars and permanent molars 3) All permanent teeth 4) Only permanent molars
OrthodonticsAnswer: 1
Anterior crossbite according to Dewey are classified in Angle"s class III as 1) Type I 2) Type II 3) Type III 4) There is not modification of Angle Class III
OrthodonticsAnswer: 3
Which of the following is untrue of true class III malocclusion 1) Concave profile 2) Increased gonian angle 3) Protrusion of lower anterior teeth 4) Forward path of closure
OrthodonticsAnswer: 3
The father of serial extraction philosophy in USA is 1) Kjellgren 2) Nancy 3) Dewel 4) Hotz
