MDS PREP
Pendulum appliance is
1) Intraoral appliance for distalisation of molars
2) Intraoral appliance for slow expansion of arch
3) Intraoral appliance for rapid expansion of arch
4) Intraoral appliance for uprightining of molars
Orthodontics
Answer: 1
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
Orthodontics
Answer: 2
There is more adolescent growth spurt in mandible than maxilla. Mandible follows growth curve of somatic tissues closely than maxilla
1. Both statements are wrong
2. Both statements are correct
3. Only first statement is correct
4. Only second statement is correct
Orthodontics
Answer: 2
X-rays were discovered by
1) Madam Curie
2) Roentgen
3) Rutherford
4) Becquerel
Orthodontics
Answer: 2
Untrue about "tongue thrusting"
1) Tongue thrust develops as a function adaptation in anterior open bite
2) Tongue thrust may not all times result in malocclusion
3) All anterior open bites are the result of tongue thrust
4) This habit decreases with age
Orthodontics
Answer: 3
Jasper jumper is a
1) Flexible fixed functional appliance
2) Rigid fixed functional appliance
3) Fixed functional appliance
4) None of the above
Orthodontics
Answer: 1
In the absence of permanent second premolar, the root of primary second molar will most likely
1) Resorb rapidly than normal
2) Resorb slowly than normal
3) No resorption at all
4) Resorb at normal rate
Orthodontics
Answer: 2
Which of the following best describes the Angle classification of malocclusion?
Orthodontics Answer: 2
1. It is a method to describe skeletal disharmony.
2. It is a classification based only on dental relationships.
3. It allows for the classification of both skeletal and dental disharmony.
4. It involves the classification term "Neutro-occlusion".