A single force applied perpendicularly to the facial surface in anterior tooth, it will cause it to 1) Translate 2) Tip about its cementoenamel junction 3) Tip about a point 1/3 the length of root from apex 4) Tip about its apex
OrthodonticsAnswer: 3
The most documented evidence of supernumerary teeth 1) Atavistic feature 2) Hereditary and familial 3) Metabolic disturbance 4) Nutritional disturbance
OrthodonticsAnswer: 2
Greatest amount of cranial growth occurs by 1) Birth to five years 2) 5-6 years 3) 6-7 years 4) 7-10 years
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
Most documented evidence for congenital anodontia 1) Hereditary 2) Metabolic disturbance 3) Endocrine disturbance 4) Nutritional disturbance
OrthodonticsAnswer: 1
Diastema is often the result of 1) Tongue thrusting 2) Finger sucking 3) Mouth breathing 4) None of the above
OrthodonticsAnswer: 1
The father of serial extraction philosophy in USA is 1) Kjellgren 2) Nancy 3) Dewel 4) Hotz
OrthodonticsAnswer: 2
In primary dentition the anatomic structure used to determine the molar relationship 1) Mesiobuccal cusp of primary 2nd molar 2) Distal plane of primary 1st molar 3) Mesial surface of primary 1st molar 4) Distal plane of primary 2nd molar