The pain associated with pulpitis often disappears when a patient visits a dental office. This occurs due to which of the following events?

Pulpal pain receptors undergo fatigue

Stress-induced sympathetic activity causes vasodilatation of pulpal blood vessels

Stress-induced sympathetic activity inhibits pulpal sensory fibres that cause pain

Local mediators of pulpal pain are not released when a stress-induced rise in blood pressure occurs

Please describe the matter of abuse