LDEK questions: Conservative dentistry — page 6
759 questions in Conservative dentistry. Open a question to see the answer options and a hint.
- A 40-year-old patient reports to the dental office with severe pain of tooth 34 lasting for a week. During intraoral examination an extensive caries cavity of tooth 34… Question 253
- In order to reduce polymerization shrinkage one can use: Question 254
- A 23-year-old patient presents with a spontaneous pain of tooth 46 lasting for about 1 week. The pain has been much stronger since yesterday. The clinical and… Question 255
- During preparation of a cavity class II according to Black on the occlusal and mesial surface of tooth 36 in a 25-year-old patient, a carious spot is noted on the… Question 256
- Which of the following concerning irrigating solutions used in endodontic treatment is true? Question 257
- Which of the following tissues are specialized connective tissues of mesodermal origin, formed from the dental papilla? Question 258
- Changes in plaque pH following a rinse with a glucose solution were first observed by Stephan. How much time the acid plaque takes to return to its normal pH values in… Question 259
- What is the temperature above which guttapercha becomes liquid? Question 260
- Which of the following factors are responsible for the abrasive formation of cavities? Question 261
- The fracture of the endodontic instrument in the canal can be avoided by: Question 262
- Which of the following concerning ISO standards for root canal is true? Question 263
- Indicate the true statement concerning endodontic procedures: Question 264
- Indicate correct names of the endodontic instruments shown in the following pictures: Question 266
- What is the taper of standard stainless steel endodontic hand files? Question 267
- Which liquid is the most efficient and fastest in softening gutta-percha in the canal? Question 268
- Choose the symptoms which usually accompany the perforation made within the root canal: Question 269
- Indicate which part of a mandibular molar is left in the oral cavity after a bicuspidation (premolarization) procedure: Question 270
- The highest amounts of fluoride ions are released from glass-ionomer cements: Question 271
- Which of the following is used for the removal of gutta-percha from the canal during root canal retreatment? Question 272
- Which of the following about adjusting the main standard gutta-percha cone to root canal walls is true? Question 273
- To improve the effectiveness of a sodium hypochlorite solution, it is recommended to: Question 274
- A 22-year-old patient was referred to the endodontist for the root canal treatment of the tooth 16. During the treatment the dentist wanted to increase the efficiency… Question 275
- Circumferential filing used in endodontic treatment: Question 276
- 2% gutta-percha points have the highest percentage content of: Question 277
- Which endodontic-periodontal lesion is characterized by a narrow periodontal pocket? Question 278
- A 25-year-old female came to the dental office complaining on a painless elevation of vestibular oral mucosa in the apical region of the tooth 14. On examination, when… Question 279
- Indicate the true statements concerning sclerotic dentin: Question 280
- What is the concentration of fluoride ions in a preparation that contains 2500 ppm F⁻? Question 281
- A 35-year-old patient reports with a single lesion of about 3 mm in diameter, located on the alveolar mucosa, which appeared about a week ago on the buccal side in the… Question 282
- Indicate the true statement on the use of rubber dams in endodontic treatment: Question 283
- Which of the following tissues belong to endodontium? Question 284
- What is the treatment plan in the case of a vertical root fracture of the maxillary incisor? Question 285
- What could be the cause of the tooth resorption seen in the following radiograph? Question 286
- The yellowish discolouration of tooth crowns after trauma is caused by: Question 287
- Indicate the true information concerning chlorhexidine used for irrigation during root canal treatment: Question 288
- Which of the following concerning direct pulp capping procedure is false? Question 289
- Indicate the true statements concerning the Gow-Gates block: Question 290
- Which structure can be described as “the most recent layer of unmineralized dentin adjacent to the cell bodies of the odontoblasts”? Question 291
- Indicate the true information concerning benzodiazepines used for sedation in the cases of long dental procedures in hypersensitive patients: Question 292
- Indicate the true statements concerning the formation of dentin: Question 293
- Indicate the true statement concerning anesthesia used in endodontic treatment: Question 294
- Which of the symptoms listed below is the most characteristic of VRF (vertical root fracture)? Question 295
- Indicate the best definition of erosion: Question 296
- Indicate the true information concerning endodontium: Question 297
- Which of the following concerning the principles of endodontic treatment is true? Question 298
- Indicate which restorative material should be used as the preferred choice in the case of root fillings in patients with high risk caries: Question 299
- Which of the following is a component of lubricants used in endodontics? Question 300
- What is the clinical term for places which are not exposed to mechanical factors and where bacteria tend to settle down? Question 301
- Which of the following devices is used in Schilder technique of warm gutta-percha vertical compaction? Question 302
- Symptoms associated with chronic periapical inflammation include: Question 303