LDEK questions: Orthodontics — page 4
255 questions in Orthodontics. Open a question to see the answer options and a hint.
- The standard polyamide Schönherr’s vestibular plate (size three) is used in children of age: Question 152
- Which appliances are used to widen the palatal suture in the permanent dentition? Question 153
- Which malocclusion is treated with the simple inclined plane? Question 154
- An orthodontic mini implant inserted in an alveolar part of the mandible is an example of: Question 155
- Which genetic syndrome is associated with mandibular hypoplasia? Question 156
- Which of the following arise from the lower part of the first pharyngeal arch? Question 157
- Which of the following statements concerning Quad-Helix appliance is true? Question 158
- What types of pull are differentiated in an active, extraoral Headgear appliance? Question 159
- Indicate the true statement concerning reinclusion: Question 160
- Which of the following cephalometric measurements is used to assess the vertical face dimension? Question 161
- The WITS appraisal according to Jacobson allows to determine: Question 162
- There are two methods of expanding the palate suture: RPE (rapid palatal expansion) and SPE (slow palatal expansion). Indicate the true statements about RPE: Question 163
- The springs, bended in the shape of a sinusoid, which connect the acrylic plates of an appliance are characteristic of: Question 164
- Secondary crowdings are the result of: Question 165
- Moyer’s Index: Question 166
- The hyrax screw enables to increase the maxillary expansion range of: Question 167
- Indicate the rules for the application of activators in distocclusions: Question 168
- If the Bolton measurement (overall ratio) is 94.5% it suggests: Question 169
- Which of the following appliances is designed to expand the maxillary suture? Question 170
- Second order bends: Question 171
- Bolton’s index evaluates: Question 172
- Indicate intraoral appliances which can be used in the treatment of mesiocclusions: Question 173
- Which of the following statements about the treatment with the face mask are false? Question 174
- Balters describes three types of his appliances. The second type of Balters appliance is used in treatment of: Question 175
- In a 5-year-old child with lateral mandibular displacement the treatment of choice will be: Question 176
- Which of the angles of Schwartz's analysis makes it possible to determine the position of the facial part of the skull relative to the brain part of the skull in the… Question 177
- Which of the following are parafunctions? Question 178
- Physiological (physiognomical) face is divided into three segments: frontal, nasal and maxillary. The frontal segment is situated between: Question 179
- Which of the following should be used in a 5-year-old child with anterior partial cross bite, with a positive functional test and existing spaces between the milk… Question 180
- Which of the following are characteristic of the dentition of a 3-year-old child? Question 181
- Elastic (spring-loaded) appliances include: Question 182
- The asymmetric abnormal development of the first and second branchial arches is associated with: Question 183
- Functional appliances do not include: Question 184
- The term ‘translation’ means: Question 185
- In order to describe the morphology of maxillo-facial disorders maxillary orthopedists use many points, lines and planes known in anthropology. Even points include: Question 186
- Which of the following statements concerning extractions in orthodontics is true? Question 187
- In Ricketts’ profile analysis the esthetic line is determined by points: Question 188
- Which of the following are features of skeletal class III malocclusion? Question 189
- The malformation which occurs if in the 8th week of fetal life the embryo cephalic part does not move away from its caudal part is called: Question 190
- Late incisor crowding is caused by: Question 191
- The asymmetrical genetically determined disorders include: Question 192
- Common features of cleidocranial dysplasia and mandibulofacial dysostosis are: Question 193
- In treatment of a 4-year-old child with lip muscle hypotonia, distoclusion with incisor proclination and habitual mouth-breathing pattern, following method should be… Question 194
- Indicate correct sentences regarding the type 3 plaster: Question 195
- Indicate features of titanium-molybdenum alloy: Question 196
- “Appliance is intended for treatment of prognathism. The body of appliance is cut along the occlusal plane. (…) Contstruction bite is taken in maximum rertusive… Question 197
- “It happens when the point of force application lays apically towards the centre of tooth resistance, and centre of rotation is positioned coronally. In order to obtain… Question 198
- Choose false statements regarding the scissors bite: Question 199
- In relation to horizontal plane you can diagnose: Question 200
- Treatment of choice in case of an alleged diastema is: Question 201