No. With better understanding of physiology of tooth movement and latest Technology, pain during orthodontic treatment is kept to the minimum.
Initially when an appliance is given there is pressure on the teeth that can cause some discomfort and pain. This can be minimized by timely medication as prescribed by the orthodontist. There is NO constant pain or discomfort during the entire duration of orthodontic treatment. When the appliance is activated to exert pressure on the teeth the patient may experience pain for a couple of days. This subsides on its own and is usually bearable. If it is more, then the prescribed medicine can be taken to relieve the pain.