2.2. Measurement of Pain Intensity
pain
Before and after the end of the treatment, the intensity of pain ailments was assessed with the use of the ten-point visual analog scale (VAS) for a subjective assessment of pain intensity. In this method, the patient marks a section of a straight line, usually 10 cm long, with opposite ends marked, and a 1 cm scale, a point that corresponds to the intensity of pain experienced by him—from 0, which means no pain at all, to 10, which, in simple terms, indicates unbearable pain (the strongest pain the patient has ever felt in their life) [