Multiple choice

In tooth with necrotic pulp, pain provoked with heat application is attributed to

  1. direct stimulation of fibres by heat

  2. increased intrapulpal pressure

  3. remnants of nerve fibres

  4. thermal expansion of gases

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the most probable reason as with the application of heat, gases expand and cause pain.

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