Objective symptoms are determined by:
Objective symptoms are determined by tests and observations performed by the clinician. These tests are as follows:

Visual and tactile inspection
Percussion
Palpation
Mobility and depressibility
Bite test
Radiograph
Electric pulp test
Thermal tests (hot and cold)
Anesthetic test
Test cavity
Visual and tactile inspection.
Percussion.
Palpation.
All of the above.