LDEK questions: Conservative dentistry — page 5
759 questions in Conservative dentistry. Open a question to see the answer options and a hint.
- Which chemical reaction is responsible for the bleaching process of hard tooth tissues? Question 203
- Choose the true statements concerning the smear layer: Question 204
- Indicate the proper definition of dental erosion: Question 205
- Which of the following materials is particularly indicated for restoring teeth in patients with high caries risk to control caries? Question 206
- Indicate the true statement concerning incipient caries: Question 207
- Indicate false information concerning root canal retreatment: Question 208
- Indicate the true statements concerning the procedure of direct pulp capping: Question 209
- Laser Doppler flowmetry is used in endodontics for: Question 210
- Standardized root canal preparation method can be used for preparing roots whose shape is: Question 211
- Which of the following statements concerning carbamide peroxide is false? Question 212
- Tooth wear caused by the regurgitation of hydrochloric acid, typical of anorexia and chronic alcoholism, is characterized by: Question 213
- A 37-year-old patient was referred for endodontic treatment of the tooth 11 from another clinic. He complained of feeling sick, getting feverish and having severe pain… Question 214
- Combine the forms of chlorhexidine given below with the appropriate chlorhexidine concentrations: a) 2%; b) 1%; c) 0.2%; Question 215
- Which of the following methods of stained teeth treatment is associated with the greatest risk of external cervical resorption? Question 216
- Enamel margin beveling in class IV before the application of the composite material does not result in: Question 217
- Which of the following concerning diagnostic procedure in the case of a fistula in the oral cavity is true? Question 218
- Phosphoric acid is used for dentin etching and smear layer removal prior to the application of a bonding system of: Question 219
- Indicate the incorrect way of cavity opening and gaining access to the caries lesion located on the approximal surface of a posterior tooth: Question 220
- Which of the following is not a symptom of midroot perforations? Question 221
- In which of the following scenarios it is necessary to retake the radiograph with the instrument for the purpose of working length determination? Question 222
- Indicate the false statement concerning the use of ultrasonic devices for root canal irrigation: Question 223
- Which cells found in the periodontal ligament proliferate in pathological conditions and give rise to cyst formation? Question 224
- During interview a patient reports that he suffered from heart failure three years ago. On X-ray type A internal resorption in tooth 22 is visible. The tooth is… Question 225
- Which restorative material is recommended for cavities localized as shown in the following picture? Question 226
- Which tooth sites are affected with caries in the cavities class I according to Black? Question 227
- Which of the following statements concerning dental injury diagnostics is true? Question 228
- Indicate the false statement concerning endodontic irrigants: Question 229
- On radiographs, images, such as short roots, pulpal obliteration and small bulbous crowns are characteristic of: Question 230
- Dental plaque is an example of a biological membrane, called biofilm. Indicate the true statement characterizing colonies of bacteria in the biofilm: Question 231
- What kind of lesion can appear in the cavity under the filling with the carious tissues left at the bottom? Question 232
- A 34-year-old female came to the dental office with a deep carious lesion in tooth 46. The tooth did not respond to thermal stimuli and there was a small draining sinus… Question 233
- Which of the following is not a possible consequence of the extrusion of irrigating solutions or root canal obturation materials beyond the apical foramen: Question 234
- Indicate the true information concerning amalgam restorations: Question 235
- An endodontic instrument has a white handle, with number 15 and a circle symbol on it. What kind of instrument is it, and what is the diameter of its tip? Question 236
- Which of the following is not an advantage of chlorhexidine, a disinfectant and antiseptic used as a canal irrigant? Question 237
- Which of the following statements concerning pulp stones is false? Question 238
- Pain provoked by biting but not related to cold/heat tests may suggest: Question 239
- Which of the following substances are used for treating dentin hypersensitivity? Question 240
- In which of the following clinical cases it is possible to perform direct pulp capping? Question 241
- What is the expected reaction of the healthy and not infected pulp after direct pulp capping with calcium hydroxide? Question 242
- The indication for bicuspidization procedure is: Question 243
- What kind of canals should be expected when in the first upper premolar an additional third canal occurs? Question 244
- Which of the following information about the pre-wedging procedure in conservative dentistry is true? Question 245
- Which of the procedures should initial treatment plan cover? Question 246
- Which of the following concerning bevelling of the enamel margin before placing composite resin restoration is true? Question 247
- In a patient endodontic treatment of tooth 46 was performed. Because of the inflammation in the furcation region, the tooth was separated by means of a… Question 248
- Trigeminal neuralgia: Question 249
- Indicate the group of medications that do not cause hyposalivation: Question 250
- Indicate the false statement regarding a vertical tooth root fracture: Question 251
- Transillumination is used in endodontics to: Question 252