The most superior way to test the vitality of the tooth with:
a- Ice pack.
B- Chloro ethyl.
C- Endo special ice. ***
D- Cold water spray.
Once we have determined that a particular tooth is indeed percussive, the next step is to determine the pulp status of that tooth (vital or non-vital).
Without question, the method most commonly employed by Endodontists is the thermal test.
When doing a cold test, “Endo Ice”, (a refrigerant) can be sprayed on a cotton pellet and then placed on a dry tooth. This test, along with the percussion test are the two most important tests in diagnosis.
If the patient feels nothing and there is no response from the tooth, we must assume this tooth to be necrotic (non vital).
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Endodontics