Do we need to retie ligature ties on aligning wires every 4 weeks?

In an ideal orthodontic world, we would see our patients every 4 weeks to tighten ligature ties. However, this is not always possible, and the interval sometimes increases to between six and eight weeks. I used to wonder whether this would affect the efficiency of tooth movement, particularly alignment. This issue has been examined in [ ] The post Do we need to retie ligature ties on aligning…