AIPGE 2005 Dental 19

181. Which position is the most important in diagnosis of anterior or posterior crossbite?

1. Habitual position.
2. Lateral shift.
3. Maximum intercuspation.
4. The point of first contact at centric relation.

182. Which of the following forces best accomplish orthodontic tooth movement?

1. Heavy and continuous.
2. Heavy and intermittent.
3. Light and continuous.
4. Light and intermittent.

183. Which of the following is the least stable orthodontic correction?

1. Maxillary expansion.
2. Rotations.
3. Overbite.
4. Overjet.

184. Hyperplasia with regard to tissue growth refers to -

1. An increase in the number of cells.
2. An increase in the size of the cells.
3. Cellular maturation.
4. Cellular differentiation from stem cells.

185. The midpalatal suture is most likely to open at which following ages of expansion?

1. 18 years old.
2. 13 years old.
3. 25 years old.
4. 55 years old.

186. Functional appliances -

1. Only move teeth.
2. Can change the direction of growth.
3. Are fabricated in the original Mandibular position.
4. Correct malocclusion rapidly.

187. According to Wolff’s law -

1. Human teeth drift mesially as interproximal wear occurs.
2. Pressure causes bone resorption.
3. The optimal level of force for moving teeth is 10 to 200 grams.
4. Bone trabeculae line up in response to mechanical stresses.

188. Which of the following teeth is most likely to be congenitally missing?

1. Maxillary central incisor.
2. Mandibular canine.
3. Mandibular second premolar.
4. Maxillary first premolar.

189. The term refers to a type of fusion in which the formed teeth are joined only along the line of cementum -

1. Gemination.
2. Fusion.
3. Concrescence.
4. Dilaceration.

190. Which is a degeneration disorder characterized by atrophic changes of the deeper structures (e.g. fat, muscle, cartilage and bone) involving one side of the face?

1. Scleroderma
2. Parry Romberg Syndrome.
3. Miescher’s Syndrome.
4. Peutz-Jeghers Syndrome.