A foreign body in the anterior border of the ramus of mandible at 9 years compared to 6 years will 1. Deepen as new bone apposition occurs 2. Become free in soft tissue as resorption occurs 3. Remain at the same level 4. Result in formation of exostosis
OrthodonticsAnswer: 2
If space discrepancy according to Carey"s arch perimeter analysis is 4 mm, your inference is 1) Proximal stripping 2) Expansion of the arch 3) Extraction of 1st premolar 4) Extraction of IInd premolar
OrthodonticsAnswer: 4
Calcification of first permanent molars starts at 1) 1.5 weels IU life 2) At birth 3) 6 months after birth 4) 2.5 years after birth
OrthodonticsAnswer: 2
Pterygoid response to activator is checked at 1) 2-3 weeks 2) 6-8 weeks 3) 8-10 weeks 4) 10-12 weeks
OrthodonticsAnswer: 2
A midline diastema of 1.5 mm between central incisors of a 10-year-old child is noted. Fibrous frenum is present. Treatment of choice 1) Frenectomy 2) Orthodontic closure 3) No treatment observe until permanent maxillary canine erupts 4) Composite veneer
OrthodonticsAnswer: 3
The term "serial extraction" was coined and introduced by 1) Kjellgren 2) Robert Bunon 3) Joseph Fox 4) Hotz
OrthodonticsAnswer: 1
High orthodontic forces cause 1) Resorption of cementum 2) Resorption of dentin 3) Non vital teeth 4) All of the above
OrthodonticsAnswer: 4
Anchorage in a removable appliance is provided by 1) Labial bow 2) Finger springs 3) Clasps 4) Acrylic plates
