LDEK questions: Conservative dentistry
759 questions in Conservative dentistry. Open a question to see the answer options and a hint.
- Which of the following adhesives are part of self-etching adhesive systems? Question 1
- Which of the following contains false information concerning tetracycline discoloration of the teeth? Question 2
- Which answer sets the ingredients of gutta percha cones in the descending order of their content? Question 3
- Which of the following is part of the fifth generation adhesives? Question 4
- Which of the following structures protect the hard tissues of the tooth against the development of internal resorption? Question 5
- Indicate the true statements concerning circumferential filing: Question 6
- Which tooth from the following is the longest human tooth? Question 7
- Indicate the false statement concerning the carious process: Question 8
- Maxillary sinusitis is probably the most common extraoral cause of pain in patients visiting dental clinics. Which of the following are the most characteristic of… Question 9
- A 63-year-old patient reports with severe pain of tooth 43. The pain, lasting for about 2 weeks, arises while consuming warm food. A clinical examination reveals: tooth… Question 10
- Indicate the true statements concerning the endodontic treatment with ProTaper system: Question 11
- In a female patient endodontic treatment of tooth 11 was performed. It has been planned to restore the crown with the use of composite fiber reinforced post. What is… Question 12
- Which of the following properties of microscope are not important in the removal of broken endodontic files from the root canal space? Question 13
- Indicate the correct sentences concerning direct pulp capping: Question 14
- The indications for the root canal re-treatment include: Question 15
- Which of the following are characteristic of dentinogenesis imperfecta type 2 on radiographs? Question 16
- What is the role of orthodontic rings in the placement of the rubber dam? Question 17
- Indicate the direction in which the apical part of the lingual root of the upper first molar is curved: Question 18
- When, during the process of dental plaque development, do the structures called palisades of cocci appear? Question 20
- Indicate the true statements concerning recurrent caries: Question 21
- The criteria for proper canal preparation include: Question 22
- On the basis of the data given below, indicate the mean DMFT index for the population of 10 people (DMFT index value for each person is: 3,5,0,0,0,7,0,0,12,8): Question 23
- Indicate the correct statement concerning microfill composites: Question 24
- On the orthopantomogram (OPG) of a 28-year-old patient an obliteration of the pulpchamber of tooth 22 as well as a widening of the periodontal ligament space in the… Question 25
- Cleaning of the chamber after the canal system obturation with the use of a resin sealer should be performed with cotton pellets soaked in: Question 26
- What kind of caries does the following description concern: “Sometimes, for unknown reasons, chronic caries stops for many years. Very often it is observed on the… Question 27
- Indicate the correct definition of the physiological foramen: Question 28
- Indicate disadvantages of the intrapulpal injection used in endodontic treatment: Question 29
- Which of the following are part of the DIFOTI system? Question 30
- Copper-enriched amalgams: Question 31
- The recommended time for EDTA to be left in the canal in order to remove the smear layer is: Question 32
- A 22-year-old male patient complains of a pain in tooth 22 that awakened him at 4:00 AM and still persists. The intraoral examination revealed the presence of a… Question 33
- Which of the following are the contraindication to teeth whitening using the overlay method? Question 34
- What is the maximum acceptable distance between the tip of the cone and the preparation range visible on the X-ray taken before the root canal obturation during… Question 35
- Why is the rubber dam in dark colors preferred when carious lesions are prepared and filled? Question 36
- Which factor is meaningless when it comes to assess the risk of new carious lesions? Question 37
- What is the main advantage of titanium nitride coated instruments used for filling cavities with composite materials? Question 38
- Indicate the true statements concerning instruments used for the preparation of root canals: Question 39
- The highest probability of incomplete analgesia, despite applying proper anesthesia techniques in the case of irreversible pulpitis is in the tooth: Question 41
- A female patient aged 22 presented to the dental surgery in order to treat Black`s class II carious cavity on the occlusal and distal surface of tooth 45. After… Question 42
- Irrigants are unable to reach the apical part of the root if the canal is not enlarged to the size of ISO: Question 43
- The minimum thickness of a zinc oxide temporary filling layer used for protecting the tooth during endodontic treatment is: Question 44
- Which of the following statements concerning the adhesion of composite resin materials to dentin is true? Question 45
- Which of the following is not an advantage of working with an operative (endodontic) microscope? Question 46
- Which of the following microorganisms is most commonly detected in root canal-retreated teeth? Question 47
- The maximum acceptable distance between the end of the working lenght and the tip of the master apical cone in the method of lateral condensation technique, is: Question 48
- Which of the following allow to categorize a patient into the high caries risk group? Question 49
- During the insertion of bleaching material into the tooth after root canal treatment the gingiva, for protection, should be coated with: Question 50
- In a patient with high caries risk a bite-wing x-ray picture revealed the presence of a carious lesion. It was located on the mesial contact surface in tooth 36 and… Question 51
- A 40-year-old patient suffers from a pain on the left side. The patient is unable to identify any particular tooth/teeth as a source of the pain. An important… Question 52