Yea,it's totally normal , even in every appointment after activation or modification of wire, u will feel mild to moderate pain which will subside within 2-3 days. In Orthodontic treatment ,we use mild and continue force only to get results .So, no need to worry at all.
Health Tips
Mindful eating ,u should know what to eat ,what not to eat .
Do proper brusing twice a day, also use interdental brush to clean food particles lodged between the tooth and wire..