Orthodontic 4

151. ANB normal?
Οƒ½ 1-3 degree
ΟƒΎ 2-4 degree
Οƒ½ > 5degree
Οƒ½ <1degree
152. Clinical features of Class III Malocclusion ?
ΟƒΎ Concave facial profile
Οƒ½ OJ increase
Οƒ½ Short mandible
Οƒ½ Facial more prominent
153. Treatment option of anterior open bite?
ΟƒΎ Removable appliance with posterior bite plane
Οƒ½ Removable appliance with anterior bite plane
Οƒ½ Removable appliance with lower incline plane
Οƒ½ Removable appliance with Z spriong
154. The most comment reasons for relapse is?
ΟƒΎ Rotation and spacing
Οƒ½ Good digitation
Οƒ½ Full unit class I,II,III
Οƒ½ Enough OB
155. The most comment risks of orthodontics tooth movement?
Οƒ½ Caries
ΟƒΎ Root resorption
Οƒ½ Gingivitis
Οƒ½ Good digitation
156. Which components can correct Anterior Crossbite?
Οƒ½ upper inclined bite plane
ΟƒΎ Removable appliance with Z spring and posterior bite plane
Οƒ½ Coffin spring
Οƒ½ Functional appliance
157. Which one is the best treatment for simple anterior cross bite
ΟƒΎ Lower incline bite plane
Οƒ½ Orthognatic surgery
Οƒ½ Fixed appliance
Οƒ½ Functional appliance
If there is a lot of root resorption we should do?
ΟƒΎ Stop activating appliance for at least 6 to 8 weeks and use a lighter force to move the teeth
Οƒ½ Use more forcr to move teeth
Οƒ½ Continue to apply heavy force
Οƒ½ Give some medicine
159. Which kind of treatment to correct skeletal feature of Class III in growth patients?
Οƒ½ Removable appliance
Οƒ½ Fixed appliance
ΟƒΎ Functional appliance
Οƒ½ Orthognatic surgery
160. The clinical dental feature of Class III : ?
ΟƒΎ Narrow upper arch with crowded
Οƒ½ Over jet increase
Οƒ½ Posterior cross bite
Οƒ½ Bimaxillary protrusion
161. Clinical feature of anterior open Bite: ?
ΟƒΎ Long face
Οƒ½ Lips competent
Οƒ½ Deep bite
Οƒ½ Cross bite
162. In the following answers, which one is the best method to create space:?
ΟƒΎ Extraction
Οƒ½ Distalize-molars
Οƒ½ Use coil spring to open space
Οƒ½ Proclined teeth
163. When mesio-buccal cusp of upper first permanent molar occluding forward of the buccal groove of the lower first permanent molar is call?
Οƒ½ Class I molar relationship
ΟƒΎ Class II molar relationship
Οƒ½ Class III molar relationship
Οƒ½ Class I skeletal pattern
164. Lips incompetent most seen in cases?
Οƒ½ Cross bite
Οƒ½ Long upper lips
Οƒ½ Retroclined front teeth
ΟƒΎ Class II division 1malocclusion
165. Adam Clasps αž—αžΆαž‚αž…αŸ’αžšαžΎαž“αž‚αŸαžŠαžΆαž€αŸ‹αž“αŸ…αž›αžΎαž’αŸ’αž˜αŸαž‰αžŽαžΆαž˜αž½αž™?
ΟƒΎ Strong and healthy teeth
Οƒ½ Big and painful teeth
Οƒ½ Deep caries teeth
Οƒ½ Periodontitis teeth
166. RME αž”αž„αŸ’αžœαž·αž›αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αžŠαž„αž€αŸ’αž“αž»αž„αŸ‘αžαŸ’αž„αŸƒ?
Οƒ½ 1 time
ΟƒΎ 2 times
Οƒ½ 3 times
Οƒ½ 4 times
167. Which size of the wireusing to make Adam clasp?
Οƒ½ 0.5mm
ΟƒΎ 0.7 mm
Οƒ½ 0.9 mm
Οƒ½ 0.12mm
168. Choose the correct components for reduce overjet when the upper front teeth proclined and spacing?
Οƒ½ Z- spring
ΟƒΎ Robert retractor
Οƒ½ Bucal canin retractor
Οƒ½ Finger spring
169. Which is the possible components for correcting posterior cross bite ?
Οƒ½ Z spring
Οƒ½ Labial bow
ΟƒΎ Coffin spring
Οƒ½ Buccal canine retractor
170. αžαžΎαž…αŸ†αž›αžΎαž™αž˜αž½αž™αžŽαžΆαžŸαŸ†αžšαžΆαž”αžΎ Expansion arch?
Οƒ½ Robert retractor
Οƒ½ Labial bow
Οƒ½ Adam clasp
ΟƒΎ Screw expansion
171. Which Appliances can corrected anterior cross bite?
Οƒ½ Retainer
ΟƒΎ Removable appliance with Z or T spring
Οƒ½ Functional appliance
Οƒ½ Removable appliance with finger spring
172. Which one is passive Component:?
Οƒ½ T-spring
Οƒ½ Z- spring
ΟƒΎ South end clasp
Οƒ½ Labial bow
173. Which Active Component can be used as retention:?
Οƒ½ T-spring
Οƒ½ Z- spring
Οƒ½ Robert retractor
ΟƒΎ Labial bow
174. αžαžΎαž›αž½αžŸαžŸαŸ†αžšαžΆαž”αŸ‹αž’αŸ’αžœαžΎ Z-spring αž˜αžΆαž“αž‘αŸ†αž αŸŠαŸ†αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?
Οƒ½ 0.7mm
Οƒ½ 0.4mm
ΟƒΎ 0.5mm
Οƒ½ 0.6mm
175. Which one is the best components for correct # 11 cross bite?
ΟƒΎ Palatal Z spring or T spring
Οƒ½ Posterior bite plane
Οƒ½ Anterior bite plane
Οƒ½ Robert retractor
176. Cross bite should be corrected immediately because it can cause:?
ΟƒΎ Asymmetrical development of the jaw
Οƒ½ Crowding
Οƒ½ Spacing
Οƒ½ Root resorption
177. Which one is the cause of Anterior cross bite:?
Οƒ½ retained lower deciduous incisors
ΟƒΎ premature contact/ pseudo class III
Οƒ½ Small lower arch and very broad Upper arch
Οƒ½ Missing lower teeth
178. Which one is the Clinical feature of Anterior cross bite: ?
ΟƒΎ Reverse overjet
Οƒ½ Over jet > 7mm
Οƒ½ Small lower arch and very broad Upper arch
Οƒ½ Proclined upper incisors
Which optimal force for tipping?
ΟƒΎ 35-60g
 
Οƒ½ 70-120
Οƒ½ 50-100g
Οƒ½ 10-20g
180. Which optimal force for bodily movement?
Οƒ½ 35-60g
ΟƒΎ 70-120
Οƒ½ 50-100g
Οƒ½ 10-20g
181. Which optimal force for intrusion?
Οƒ½ 35-60g
Οƒ½ 70-120
Οƒ½ 50-100g
ΟƒΎ 10-20g
182. Which force is the optimal force for extrusion?
ΟƒΎ 35-60g
Οƒ½ 70-120
Οƒ½ 50-100g
Οƒ½ 10-20g
183. Which force is the optimal force for up righting?
Οƒ½ 35-60g
Οƒ½ 70-120
ΟƒΎ 50-100g
Οƒ½ 10-20g
184. Which force is the optimal force for rotation?
ΟƒΎ 35-60g
Οƒ½ 70-120
Οƒ½ 50-100g
Οƒ½ 10-20g
185. The clinical feature of Class II division 1?
ΟƒΎ Proclined upper incisors
Οƒ½ Overjet reduce
Οƒ½ ANB < 4degree
Οƒ½ Anterior Crossbite
186. Clinical feature of Class II division 2?
ΟƒΎ Retroclined upper central Incisors with OJ reduce
Οƒ½ Overjet reverse
Οƒ½ OJ increase with proclined upper incisors
Οƒ½ Proclined upper incisors
187. In class II division 2 malocclusion FMPA angle may be?
Οƒ½ Increase
Reduce
Οƒ½ Medium
Οƒ½ Normal
188. When the OB is very deep what can we call?
Οƒ½ Traumatic bite
Οƒ½ Increased deep bite
ΟƒΎ Excessive overbite
Οƒ½ open
189. What is the Keys of angle’s classification?
ΟƒΎ 1st permanent molar (Molars relationship
Οƒ½ Incisors relationship
Οƒ½ Canine relation ship
Οƒ½ Class I canine relationship
190. For reduction of deep bite is done by?
Οƒ½ Posterior bite plane
ΟƒΎ Anterior bite plane or reverse curve of spee
Οƒ½ Both anterior & posterior bite plane
Οƒ½ Labial bow with springs
191. In case of open bite case FMPA may be?
ΟƒΎ Increase
Οƒ½ Low
Οƒ½ Normal
Οƒ½ Decrease
192. When the maxillary teeth placed cover one side out and one side in of mandibular teeth called?
ΟƒΎ Unilateral cross bite
Οƒ½ Scissors bite
Οƒ½ Bilateral cross bite
Οƒ½ Anterior cross bite
193. In case of class III malocclusion, the upper incisors are?
ΟƒΎ Cross bite
Οƒ½ Retroclined
Οƒ½ OJ increase
Οƒ½ OB deep
194. In case of class II division 1 malocclusion lips are?
ΟƒΎ Incompetent lips
Οƒ½ Competent
Οƒ½ Potentially competent
Οƒ½ Everted lips
195. Which Occlusal features are true in case of class II division 1 malocclusion?
Οƒ½ Overjet & overbite increased with open bite
ΟƒΎ Overjet increased, overbite incomplete, unilateral crossbite
Οƒ½ Overjet increased but overbite reduced
Οƒ½ Over bite & over jet is zero
196. Main objective of class II division 1 treatment is ?
Οƒ½ The alignment & retraction of lower labial segment
Both arch alignment
ΟƒΎ Alignment & retraction of upper labial segment
Extraction of upper 4 to improve the aesthetics & the function of the teeth & jaws
197. What is the Malocclusion means?
Οƒ½ Normal alignment of teeth
ΟƒΎ Irregularities of teeth
Οƒ½ aligned teeth
Οƒ½ good digitation
198. Which on the Main causes of malocclusion?
Οƒ½ Abnormal of bone
Abnormal lips
Οƒ½ Abnormal of tongue
ΟƒΎ Abnormal of teeth
199. In case of class I malocclusion FMPA may be?
High
Low
ΟƒΎ Normal
Οƒ½ Increased
 
 
 
 
 
 
 
200. Which is the upper incisors of class III malocclusion,?
Οƒ½ Proclined with OJ increase
ΟƒΎ Retroclined and cross bite
Οƒ½ Proclined with average OJ
Οƒ½ Retroclined with OJ increase
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