LDEK questions: Conservative dentistry — page 4
759 questions in Conservative dentistry. Open a question to see the answer options and a hint.
- Which of the following symptoms is not observed in patients with reduced salivary flow? Question 153
- Which epidemiological index is characterized by DMFT index? Question 154
- Which of the following is an example of an improper usage of wooden wedges? Question 155
- During root canal irrigation at the tooth 11 with sodium hypochlorite in a 33-year-old patient a sudden swelling of the subnasal region appeared, accompanied by a… Question 156
- A patient comes to the dental office for the radiological control of the tooth previously treated endodontically and filled with the method of lateral gutta-percha… Question 157
- The technique of root canal preparation based on a 90°-180° clockwise rotation of the instrument and then a 120°-180°counterclockwise rotation is called: Question 158
- Which of the statements regarding chlorhexidine are true? Question 159
- Indicate the correct sequence rubber dam placing: Question 160
- Indicate the false statement concerning root caries: Question 161
- Which of the following are the disadvantages of sealers with a zinc-oxide-eugenol base? Question 162
- Indicate the false statement concerning inorganic ingredients of saliva? Question 163
- From the mentioned below indicate the terms corresponding to the structures marked in the figure: Question 164
- Which intracanal disinfecting medicaments may alleviate postoperative pain? Question 165
- In which of the following cases may the indirect pulp capping procedure be performed? Question 166
- Which of the following is the least probable cause of external resorption? Question 167
- A 28-year-old man came to the dental office reporting a sharp pain in tooth 34 occurring on eating, especially ice-cream. On intraoral examination an abrasion was found… Question 168
- The advantages of NaOCl include: Question 169
- Indicate the consequences of a prolonged drying of the cavity with compressed air: Question 170
- In which of the following clinical situations is fissure sealant contraindicated? Question 171
- Fluoride ions influence cell metabolism of Streptococcus mutans through the following mechanisms, except for: Question 172
- Indicate the true statements regarding 2% chlorhexidine used in endodontics: Question 173
- Which of the following methods is recommended for treating the vertical root fracture? Question 174
- Indicate the true statement concerning avulsions: Question 175
- Indicate the root canal instrument characterized by the following description: 'it is a hand, stainless steel, disposable instrument, it is manufactured from round… Question 176
- After consumption of cariogenic food, the plaque pH returns to its neutral values within approximately: Question 177
- Indicate the false statement concerning intrapulpal anesthesia: Question 178
- Which of the following is associated with root-surface caries? Question 179
- The finishing of resin-modified glass-ionomer restorations is performed: Question 180
- Which of the following restorations undergoes creep as a result of cyclical occlusal stress? Question 181
- In order to prepare MTA for use appropriately, the powder should be mixed with: Question 182
- Indicate the true statements concerning root canal irrigation: Question 183
- A 42-year-old man came to the dental office complaining of severe throbbing pain of tooth 25. On examination: the pain on percussion and a prolonged reaction to cold… Question 184
- What are the recommended concentrations of sodium fluoride in mouthrinses for daily use (1) and for the use under professional control (2)? Question 185
- Which of the following clinical tests is the most reliable in assessing the status of the pulp? Question 186
- Indicate the true statements regarding cold gutta-percha lateral compaction: Question 187
- In the figure the scheme of preventive resin restoration is shown. Assign the numbers marked in the figure to the materials that are used in this procedure: Question 188
- The root canal is defined as underfilled if the filling material is: Question 189
- Which of the following can influence the effectiveness of light-cured resin composite polymerization? Question 190
- In which situations the determination of the working length by means of contemporary electronic apex locators may give false readings? Question 191
- Antidepressants, antihypertensives and diuretics: Question 192
- The term „hidden caries” is used to define carious lesions: Question 193
- In an 18-year-old patient there was a slight caries lesion on the occlusal surface of tooth 47. The cavity was prepared and filled with a composite material. Healthy… Question 194
- Indicate the true statement concerning the hybrid layer: Question 195
- Which of the following recommendations are dedicated to adults with high caries risk? Question 196
- Indicate the sets of irrigation fluids including only the fluids and their concentrations used in endodontic treatment: Question 197
- Indicate the disadvantages of intrapulpal anaestesia: Question 198
- Which of the following concerning xylitol is false? Question 199
- How long does it take for dental plague to return to the initial pH level after carbohydrates consumption, a level which does not initiate demineralization of dental… Question 200
- When preparing a class III cavity for an adhesive restoration, the enamel should be beveled at an angle of approximately: Question 201
- Indicate the correct answer concerning teeth in which it is possible to find root canal orifices in the same configuration as in the pictures below: Question 202