Another, more effective way, is to use a dental water jet flosser. The pulses of water are much finer, easier to control, and don't make such a mess. Also, pulsed water may be better at displacing hardened wax than a continuous stream.
Yet another advantage: this can be done by the patient alone - no need to involve anyone else!
Yet another advantage: this can be done by the patient alone - no need to involve anyone else!