Each person is different. You may have a similar problem to a neighbor but the severity may be different. The number of treatments you need will be determined by the doctor but is usually between 3-12 sessions. In addition, those with chronic pain may be recommended to have steady treatments to keep their pain away, as you would have regular teeth cleaning to keep cavities away. You will usually feel an improvement in 1-3 visits and each treatment is cumulative which means each treatments builds on the last session.