how much does invisiaign cost
1 The Invisalign Company estimates typical treatment costs at $3,500 -$8,000, with a national average of about $5,000, although the company says simple cases can cost $2,000 or less. The first replacement set is typically free, but additional replacements generally cost about $100 per tray, or $200 for a set. 2  However, whether the first replacement set is free, the number of free replacement sets provided and the cost of replacements will vary depending on the orthodontist.