Question 112 (part 2) · LDEK · Diagnosis
Choose true statements concerning pulp sensibility testing to cold with thermal test:
1) using ethyl chloride, it is advised to wait a while after soaking a cotton pellet, until frost appears, and subsequently placing it against the tooth;
2) provoked pain, decreasing after 1 to 2 seconds after discontinuing the stimulus, is a correct reply of a healthy pulp;
3) cotton pellet soaked with ethyl chloride should be placed against the tooth surface for not longer than 5 seconds;
4) for thermal testing no drying of the tooth surface is required;
5) lack of pulp reaction to thermal stimulus always means presence of necrotic pulp.
Correct answer is:
2) provoked pain, decreasing after 1 to 2 seconds after discontinuing the stimulus, is a correct reply of a healthy pulp;
3) cotton pellet soaked with ethyl chloride should be placed against the tooth surface for not longer than 5 seconds;
4) for thermal testing no drying of the tooth surface is required;
5) lack of pulp reaction to thermal stimulus always means presence of necrotic pulp.
Correct answer is:
- A. 2,3,4.
- B. 1,4.
- C. 1,3.
- D. 2,5.
- E. only 1.
Hint
Focus on technique: when the ethyl chloride pellet is applied, for how long, whether isolation is needed, and how reliable a negative result is.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Conservative dentistry
- Choose true sentences concerning primary and secondary access preparation in incisors:
- Choose true statements regarding teeth treated with biologic methods:
- Choose true statements regarding rinsing the canals with NaOCl during endodontic treatment:
- Choose correct properties of zinc oxide eugenol cements:
- Choose true statements regarding preparations based on calcium dioxide:
- VII, and also VIII generation of adhesive systems, is characterized by: