LDEK questions: Conservative dentistry — page 9
759 questions in Conservative dentistry. Open a question to see the answer options and a hint.
- Why shouldn’t the demineralized carious tissue be left in the area of the dentine-enamel junction during the cavity preparation? Question 404
- Indicate the true statements concerning gutta-percha cones: Question 405
- The characteristic feature of an early enamel lesion, visible in its histological picture, is that it is covered by the layer of: Question 406
- Chemomechanical preparation of the root canal with copious amounts of 5% sodium hypochlorite irrigation, calcium hydroxide as intracanal dressing, followed by… Question 407
- Assign the proper functions to the saliva components: Question 408
- Indicate the true statements regarding calcium hydroxide: Question 409
- Indicate the false statement concerning inactive caries: Question 410
- The balanced force technique can be used for mechanical root canal preparation. Which of the following statements concerning this technique are true? Question 411
- Indicate the mechanism of the adhesion of composite materials to enamel: Question 412
- Which of the following intracanal dressings is a medicament of choice, with strong alkaline pH and the ability to dissolvie remnants of necrotic tissue? Question 413
- How long is the cutting part of a rotary root canal instrument, if the total length of the instrument without the grip is 21 mm? Question 414
- Indicate the true statements concerning secondary caries: Question 415
- Which of the canal irrigants are recommended for removing of organic debris from the root canal? Question 416
- Indicate problems connected with the use of fourth- and fifth-generation adhesive systems: Question 417
- Which of the following are characteristic reactions of the dentin-pulp complex to pathogenic factors? Question 418
- Indicate the true sentence concerning thermal pulp tests: Question 419
- Which of the following intracanal medicaments shows antimicrobial activity, alkaline pH and dissolves necrotic tissue remnants, bacteria and their byproducts? Question 420
- Indicate the true statement concerning the smear layer formed during endodontic treatment: Question 421
- What is the origin of nerve fibers responsible for the regulation of pulpal blood flow? Question 422
- Which teeth group is predominantly affected by dens evaginatus? Question 423
- Which pH level is critical for the dentin? Question 424
- Beginning with a file in size 60, the diameter of the tool tip at D₀ increases (relative to the next tool) by: Question 425
- Indicate the false statement concerning an enamel carious lesion: Question 426
- The model of the root canal system occurring in a single root given in the figure below, in which two root canals leave the pulp chamber, joining in the root and again… Question 427
- Which of the following pairs constitutes the right set of diagnosis and recommended treatment: Question 428
- Which of the listed periapical conditions may be associated with a vital tooth? Question 429
- Which of the following medications may be a cause of hyposalivation or dry mouth (xerostomia)? Question 430
- Which of the following concerning the acquired pellicle (pellicle) is true? Question 431
- Indicate the true statements concerning the usage of spreaders in the endodontic treatment: Question 432
- Select the false sentences concerning the elements of saliva: Question 433
- What is the role of saliva lipases? Question 434
- Which of the following is not radiolucent on X-ray? Question 435
- Which of the following does not worsen chronic apical periodontitis? Question 436
- Indicate the true statements on the inflammatory cervical resorption: Question 437
- Indicate the true statements concerning resistance form in cavity preparation: Question 438
- Sclerotic dentine: Question 439
- Which of the following methods is not recommended for the teeth with incompletely formed roots? Question 440
- Which of the following is not a cause of false-positive response of the pulp to electric test? Question 441
- The preventive resin restoration is a minimally invasive procedure proposed by Simonsen and it is a method combining: Question 442
- Which of the following salivary components does not show antimicrobial activity? Question 443
- This type of resorption is considered to be a physiological process to repair minor damage of the external surface of the root. Sometimes it occurs during orthodontic… Question 444
- Which of the following changes does not occur in aging patients? Question 445
- After the rubber dam is applied to the tooth that is going to undergo endodontic treatment, the operating field should be disinfected with the use of: Question 446
- Indicate the correct definition of abfraction: Question 447
- From the following factors select those which determine the shape of the resistance form obtained during the preparation of a caries cavity for amalgam filling: Question 448
- The mechanism of GLUMA desensitizer action is based on: Question 449
- The presence of the so-called „cervical burnout” on dental radiographs indicates: Question 450
- Which of the below mentioned root canal irrigants can be used as last due to its prolonged antibacterial activity? Question 451
- A young patient reported to the dentist for conservative treatment of tooth 37. Examination showed soft, reddish, cauliflower-like lesion protruding from vast cavity of… Question 452
- Which of the below mentioned conditions is an indication for indirect pulp capping, on the assumption that there is a normal response to pulp vitality test? Question 453